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Materials Data on TaFe(PbO3)2 by Materials Project

TaFe(PbO3)2 is (Cubic) Perovskite-derived structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with six equivalent FeO6 octahedra and faces with eight equivalent PbO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Ta–O bond lengths are 2.00 Å. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six equivalent TaO6 octahedra and faces with eight equivalent PbO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. There is four shorter (1.95 Å) and two longer (2.02 Å) Fe–O bond length. Pb2+ is bonded to twelve O2- atoms to form PbO12 cuboctahedra that share corners with twelve equivalent PbO12 cuboctahedra, faces with six equivalent PbO12 cuboctahedra, faces with four equivalent TaO6 octahedra, and faces with four equivalent FeO6 octahedra. There are four shorter (2.80 Å) and eight longer (2.82 Å) Pb–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to one Ta5+, one Fe3+, and four equivalent Pb2+ atoms. In the second O2- site, O2- is bonded in a distorted linear geometry to one Ta5+, one Fe3+, and four equivalent Pb2+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Li6Fe5WO12 by Materials Project

Li6WFe5O12 is Caswellsilverite-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are four inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to six O2- atoms to form distorted LiO6 octahedra that share a cornercorner with one WO6 octahedra, corners with eight FeO6 octahedra, an edgeedge with one WO6 octahedra, edges with two equivalent FeO6 octahedra, edges with six LiO6 octahedra, and a faceface with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 2–54°. There are a spread of Li–O bond distances ranging from 2.04–2.50 Å. In the second Li1+ site, Li1+ is bonded to six O2- atoms to form distorted LiO6 octahedra that share a cornercorner with one WO6 octahedra, corners with eight FeO6 octahedra, an edgeedge with one WO6 octahedra, edges with two equivalent FeO6 octahedra, edges with six LiO6 octahedra, and a faceface with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 2–54°. There are a spread of Li–O bond distances ranging from 2.04–2.50 Å. In the third Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one WO6 octahedra, corners with eight FeO6 octahedra, an edgeedge with one WO6 octahedra, edges with two equivalent FeO6 octahedra, edges with six equivalent LiO6 octahedra, and a faceface with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 0–52°. There are a spread of Li–O bond distances ranging from 2.07–2.36 Å. In the fourth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one WO6 octahedra, corners with eight FeO6 octahedra, an edgeedge with one WO6 octahedra, edges with two equivalent FeO6 octahedra, edges with six equivalent LiO6 octahedra, and a faceface with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 1–52°. There are a spread of Li–O bond distances ranging from 2.07–2.36 Å. W3+ is bonded to six O2- atoms to form WO6 octahedra that share corners with six LiO6 octahedra, edges with six LiO6 octahedra, and edges with six equivalent FeO6 octahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of W–O bond distances ranging from 1.97–2.05 Å. There are three inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six LiO6 octahedra, edges with three equivalent WO6 octahedra, edges with three equivalent FeO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 4–10°. There are a spread of Fe–O bond distances ranging from 2.12–2.18 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with twelve LiO6 octahedra, edges with six equivalent FeO6 octahedra, and faces with two LiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–54°. There are two shorter (2.05 Å) and four longer (2.08 Å) Fe–O bond lengths. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with twelve LiO6 octahedra, edges with six FeO6 octahedra, and faces with two LiO6 octahedra. The corner-sharing octahedra tilt angles range from 40–53°. There are a spread of Fe–O bond distances ranging from 2.05–2.09 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to three Li1+ and three Fe3+ atoms. In the second O2- site, O2- is bonded to three Li1+, one W3+, and two equivalent Fe3+ atoms to form a mixture of corner and edge-sharing OLi3Fe2W octahedra. The corner-sharing octahedra tilt angles range from 1–7°. In the third O2- site, O2- is bonded to three Li1+, one W3+, and two equivalent Fe3+ atoms to form a mixture of corner and edge-sharing OLi3Fe2W octahedra. The corner-sharing octahedra tilt angles range from 1–7°. In the fourth O2- site, O2- is bonded in a 6-coordinate geometry to three Li1+ and three Fe3+ atoms. In the fifth O2- site, O2- is bonded in a 6-coordinate geometry to three Li1+ and three Fe3+ atoms. In the sixth O2- site, O2- is bonded in a 6-coordinate geometry to three Li1+ and three Fe3+ atoms. In the seventh O2- site, O2- is bonded to three Li1+, one W3+, and two equivalent Fe3+ atoms to form a mixture of corner and edge-sharing OLi3Fe2W octahedra. The corner-sharing octahedra tilt angles range from 1–4°. In the eighth O2- site, O2- is bonded to three Li1+, one W3+, and two equivalent Fe3+ atoms to form a mixture of corner and edge-sharing OLi3Fe2W octahedra. The corner-sharing octahedra tilt angles range from 1–5°.

36 MATERIALS SCIENCE↗

Materials Data on Ca(FeS2)2 by Materials Project

Ca(FeS2)2 is Spinel structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Ca2+ is bonded to four equivalent S2- atoms to form CaS4 tetrahedra that share corners with twelve equivalent FeS6 octahedra. The corner-sharing octahedra tilt angles range from 59–65°. All Ca–S bond lengths are 2.61 Å. Fe3+ is bonded to six equivalent S2- atoms to form distorted FeS6 octahedra that share corners with six equivalent CaS4 tetrahedra and edges with six equivalent FeS6 octahedra. There are two shorter (2.33 Å) and four longer (2.34 Å) Fe–S bond lengths. S2- is bonded to one Ca2+ and three equivalent Fe3+ atoms to form a mixture of edge and corner-sharing SCaFe3 tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on CsNa5(FeO3)2 by Materials Project

CsNa5(FeO3)2 crystallizes in the orthorhombic Fdd2 space group. The structure is three-dimensional. Cs1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Cs–O bond distances ranging from 3.01–3.14 Å. There are seven inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Na–O bond distances ranging from 2.40–2.68 Å. In the second Na1+ site, Na1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.35–2.67 Å. In the third Na1+ site, Na1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.33–2.75 Å. In the fourth Na1+ site, Na1+ is bonded to five O2- atoms to form distorted NaO5 trigonal bipyramids that share corners with two FeO4 tetrahedra, an edgeedge with one NaO4 tetrahedra, and edges with two FeO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.34–2.61 Å. In the fifth Na1+ site, Na1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.35–2.96 Å. In the sixth Na1+ site, Na1+ is bonded to four O2- atoms to form distorted NaO4 tetrahedra that share corners with four FeO4 tetrahedra and edges with two equivalent NaO5 trigonal bipyramids. There are two shorter (2.35 Å) and two longer (2.38 Å) Na–O bond lengths. In the seventh Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.42–2.77 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share a cornercorner with one NaO4 tetrahedra, corners with two FeO4 tetrahedra, a cornercorner with one NaO5 trigonal bipyramid, and an edgeedge with one NaO5 trigonal bipyramid. There are a spread of Fe–O bond distances ranging from 1.86–1.96 Å. In the second Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share a cornercorner with one NaO4 tetrahedra, corners with two FeO4 tetrahedra, a cornercorner with one NaO5 trigonal bipyramid, and an edgeedge with one NaO5 trigonal bipyramid. There are a spread of Fe–O bond distances ranging from 1.87–1.95 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded to four Na1+ and two equivalent Fe3+ atoms to form ONa4Fe2 octahedra that share corners with three equivalent ONa4Fe2 octahedra and edges with two equivalent OCsNa3Fe2 octahedra. The corner-sharing octahedra tilt angles range from 0–32°. In the second O2- site, O2- is bonded to four Na1+ and two equivalent Fe3+ atoms to form ONa4Fe2 octahedra that share corners with three equivalent ONa4Fe2 octahedra and edges with two equivalent OCsNa3Fe2 octahedra. The corner-sharing octahedra tilt angles range from 0–32°. In the third O2- site, O2- is bonded to one Cs1+, three Na1+, and two Fe3+ atoms to form distorted edge-sharing OCsNa3Fe2 octahedra. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Cs1+, four Na1+, and one Fe3+ atom. In the fifth O2- site, O2- is bonded in a 6-coordinate geometry to one Cs1+, four Na1+, and one Fe3+ atom. In the sixth O2- site, O2- is bonded in a 6-coordinate geometry to one Cs1+, four Na1+, and one Fe3+ atom. In the seventh O2- site, O2- is bonded in a 6-coordinate geometry to five Na1+ and one Fe3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Li4Cr2Fe3O10 by Materials Project

Li4Cr2Fe3O10 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one LiO6 octahedra, corners with two CrO6 octahedra, corners with three FeO6 octahedra, edges with two FeO6 octahedra, edges with three CrO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 3–14°. There are a spread of Li–O bond distances ranging from 2.10–2.38 Å. In the second Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with three LiO6 octahedra, edges with two FeO6 octahedra, edges with four CrO6 octahedra, and edges with five LiO6 octahedra. The corner-sharing octahedra tilt angles range from 3–14°. There are a spread of Li–O bond distances ranging from 2.05–2.38 Å. In the third Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one LiO6 octahedra, corners with two CrO6 octahedra, corners with three FeO6 octahedra, edges with two FeO6 octahedra, edges with three CrO6 octahedra, and edges with five LiO6 octahedra. The corner-sharing octahedra tilt angles range from 4–16°. There are a spread of Li–O bond distances ranging from 2.13–2.24 Å. In the fourth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one LiO6 octahedra, corners with two FeO6 octahedra, corners with three CrO6 octahedra, edges with two equivalent CrO6 octahedra, edges with four LiO6 octahedra, and edges with five FeO6 octahedra. The corner-sharing octahedra tilt angles range from 2–14°. There are a spread of Li–O bond distances ranging from 2.04–2.43 Å. There are two inequivalent Cr+3.50+ sites. In the first Cr+3.50+ site, Cr+3.50+ is bonded to six O2- atoms to form CrO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with four LiO6 octahedra, an edgeedge with one CrO6 octahedra, edges with four FeO6 octahedra, and edges with five LiO6 octahedra. The corner-sharing octahedra tilt angles range from 2–14°. There are a spread of Cr–O bond distances ranging from 1.85–2.15 Å. In the second Cr+3.50+ site, Cr+3.50+ is bonded to six O2- atoms to form CrO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with three LiO6 octahedra, an edgeedge with one CrO6 octahedra, edges with four FeO6 octahedra, and edges with seven LiO6 octahedra. The corner-sharing octahedra tilt angles range from 4–14°. There are a spread of Cr–O bond distances ranging from 1.96–2.12 Å. There are three inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with two CrO6 octahedra, corners with two FeO6 octahedra, edges with two CrO6 octahedra, edges with four LiO6 octahedra, and edges with four FeO6 octahedra. The corner-sharing octahedra tilt angles range from 3–11°. There are a spread of Fe–O bond distances ranging from 2.02–2.12 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with four LiO6 octahedra, edges with three CrO6 octahedra, edges with four LiO6 octahedra, and edges with four FeO6 octahedra. The corner-sharing octahedra tilt angles range from 4–14°. There are a spread of Fe–O bond distances ranging from 1.97–2.19 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with four LiO6 octahedra, edges with three LiO6 octahedra, edges with three CrO6 octahedra, and edges with four FeO6 octahedra. The corner-sharing octahedra tilt angles range from 3–16°. There are a spread of Fe–O bond distances ranging from 1.99–2.13 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded to one Li1+, one Cr+3.50+, and three Fe3+ atoms to form OLiCrFe3 square pyramids that share corners with three OLi4CrFe octahedra, corners with six OLi3Cr2 square pyramids, edges with three OLi3CrFe2 octahedra, and edges with five OLiCrFe3 square pyramids. The corner-sharing octahedra tilt angles range from 2–4°. In the second O2- site, O2- is bonded to three Li1+ and two Cr+3.50+ atoms to form OLi3Cr2 square pyramids that share corners with two OLi3CrFe2 octahedra, corners with seven OLiCrFe3 square pyramids, edges with six OLi3CrFe2 octahedra, and edges with two OLi3CrFe square pyramids. The corner-sharing octahedra tilt angles range from 7–17°. In the third O2- site, O2- is bonded to one Li1+, one Cr+3.50+, and three Fe3+ atoms to form OLiCrFe3 square pyramids that share corners with three OLi3CrFe2 octahedra, corners with six OLiCrFe3 square pyramids, edges with four OLi3CrFe2 octahedra, and edges with four OLiCrFe3 square pyramids. The corner-sharing octahedra tilt angles range from 4–12°. In the fourth O2- site, O2- is bonded to three Li1+, one Cr+3.50+, and two Fe3+ atoms to form OLi3CrFe2 octahedra that share corners with two OLi4CrFe octahedra, corners with four OLi3Cr2 square pyramids, edges with six OLi4CrFe octahedra, and edges with six OLiCrFe3 square pyramids. The corner-sharing octahedra tilt angles range from 9–15°. In the fifth O2- site, O2- is bonded to three Li1+, one Cr+3.50+, and one Fe3+ atom to form OLi3CrFe square pyramids that share corners with three OLi4CrFe octahedra, corners with six OLiCrFe3 square pyramids, edges with four OLi3CrFe2 octahedra, and edges with four OLiCrFe3 square pyramids. The corner-sharing octahedra tilt angles range from 2–8°. In the sixth O2- site, O2- is bonded to four Li1+, one Cr+3.50+, and one Fe3+ atom to form OLi4CrFe octahedra that share corners with two OLi3CrFe2 octahedra, corners with four OLiCrFe3 square pyramids, edges with six OLi3CrFe2 octahedra, and edges with six OLi3Cr2 square pyramids. The corner-sharing octahedra tilt angles range from 9–10°. In the seventh O2- site, O2- is bonded to two Li1+, one Cr+3.50+, and two Fe3+ atoms to form OLi2CrFe2 square pyramids that share corners with three OLi3CrFe2 octahedra, corners with six OLi3Cr2 square pyramids, edges with three OLi4CrFe octahedra, and edges with five OLiCrFe3 square pyramids. The corner-sharing octahedra tilt angles range from 4–14°. In the eighth O2- site, O2- is bonded to one Li1+, one Cr+3.50+, and three Fe3+ atoms to form OLiCrFe3 square pyramids that share corners with two OLi4CrFe octahedra, corners with seven OLiCrFe3 square pyramids, edges with six OLi3CrFe2 octahedra, and edges with two OLiCrFe3 square pyramids. The corner-sharing octahedra tilt angles range from 4–9°. In the ninth O2- site, O2- is bonded to four Li1+ and two Cr+3.50+ atoms to form OLi4Cr2 octahedra that share corners with two OLi4CrFe octahedra, corners with four OLi3Cr2 square pyramids, edges with five OLi3CrFe2 octahedra, and edges with seven OLiCrFe3 square pyramids. The corner-sharing octahedra tilt angles range from 3–10°. In the tenth O2- site, O2- is bonded to two Li1+, one Cr+3.50+, and three Fe3+ atoms to form OLi2CrFe3 octahedra that share corners with two OLi3CrFe2 octahedra, corners with four OLiCrFe3 square pyramids, edges with five OLi3CrFe2 octahedra, and edges with seven OLiCrFe3 square pyramids. The corner-sharing octahedra tilt angles range from 3–15°.

36 MATERIALS SCIENCE↗

Materials Data on Ca2LaGa(FeO4)2 by Materials Project

LaCa2Fe2GaO8 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are two inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 6-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.31–2.88 Å. In the second Ca2+ site, Ca2+ is bonded in a 6-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.31–2.88 Å. There are two inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.42–2.96 Å. In the second La3+ site, La3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of La–O bond distances ranging from 2.41–2.95 Å. There are three inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with four equivalent GaO6 octahedra, and a cornercorner with one FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 20–22°. There are a spread of Fe–O bond distances ranging from 1.97–2.12 Å. In the second Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two equivalent GaO6 octahedra and corners with two equivalent FeO4 tetrahedra. The corner-sharing octahedral tilt angles are 44°. There are a spread of Fe–O bond distances ranging from 1.88–1.97 Å. In the third Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two equivalent FeO6 octahedra and corners with two equivalent FeO4 tetrahedra. The corner-sharing octahedral tilt angles are 45°. There are a spread of Fe–O bond distances ranging from 1.88–1.96 Å. Ga3+ is bonded to six O2- atoms to form GaO6 octahedra that share a cornercorner with one GaO6 octahedra, corners with four equivalent FeO6 octahedra, and a cornercorner with one FeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 20–23°. There are a spread of Ga–O bond distances ranging from 1.95–2.12 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Ca2+ and two Fe3+ atoms to form distorted corner-sharing OCa2Fe2 tetrahedra. In the second O2- site, O2- is bonded to two equivalent Ca2+ and two Fe3+ atoms to form distorted corner-sharing OCa2Fe2 tetrahedra. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Ca2+, one Fe3+, and one Ga3+ atom. In the fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ca2+ and two Fe3+ atoms. In the fifth O2- site, O2- is bonded in a 6-coordinate geometry to two Ca2+, two La3+, one Fe3+, and one Ga3+ atom. In the sixth O2- site, O2- is bonded in a 6-coordinate geometry to two Ca2+, two La3+, one Fe3+, and one Ga3+ atom. In the seventh O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two equivalent Ga3+ atoms. In the eighth O2- site, O2- is bonded in a 5-coordinate geometry to three La3+ and two equivalent Fe3+ atoms. In the ninth O2- site, O2- is bonded in a 5-coordinate geometry to two Ca2+, one La3+, one Fe3+, and one Ga3+ atom. In the tenth O2- site, O2- is bonded in a 5-coordinate geometry to two Ca2+, one La3+, one Fe3+, and one Ga3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Li3V3(FeO6)2 by Materials Project

Li3V3(FeO6)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.98–2.07 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 trigonal pyramids that share corners with two FeO6 octahedra, corners with four VO4 tetrahedra, and an edgeedge with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 56–71°. There are a spread of Li–O bond distances ranging from 2.01–2.13 Å. In the third Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 2.02–2.70 Å. There are three inequivalent V5+ sites. In the first V5+ site, V5+ is bonded to four O2- atoms to form VO4 tetrahedra that share corners with four FeO6 octahedra and corners with two equivalent LiO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 28–45°. There is two shorter (1.74 Å) and two longer (1.75 Å) V–O bond length. In the second V5+ site, V5+ is bonded to four O2- atoms to form VO4 tetrahedra that share corners with four FeO6 octahedra and a cornercorner with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 22–48°. There are a spread of V–O bond distances ranging from 1.71–1.78 Å. In the third V5+ site, V5+ is bonded to four O2- atoms to form VO4 tetrahedra that share corners with four FeO6 octahedra and a cornercorner with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 45–47°. There is one shorter (1.72 Å) and three longer (1.76 Å) V–O bond length. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six VO4 tetrahedra, a cornercorner with one LiO4 trigonal pyramid, and an edgeedge with one LiO4 trigonal pyramid. There are a spread of Fe–O bond distances ranging from 1.99–2.12 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six VO4 tetrahedra and a cornercorner with one LiO4 trigonal pyramid. There are a spread of Fe–O bond distances ranging from 1.94–2.07 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted T-shaped geometry to one Li1+, one V5+, and one Fe3+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one V5+ and one Fe3+ atom. In the third O2- site, O2- is bonded in a distorted T-shaped geometry to one Li1+, one V5+, and one Fe3+ atom. In the fourth O2- site, O2- is bonded in a tetrahedral geometry to two Li1+, one V5+, and one Fe3+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one V5+, and one Fe3+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two Li1+, one V5+, and one Fe3+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one V5+ and one Fe3+ atom. In the eighth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+, one V5+, and one Fe3+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Li1+, one V5+, and one Fe3+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one V5+, and one Fe3+ atom. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one V5+, and one Fe3+ atom. In the twelfth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one V5+, and one Fe3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiFe3(SnS4)2 by Materials Project

LiFe3(SnS4)2 is Spinel-derived structured and crystallizes in the orthorhombic Imm2 space group. The structure is three-dimensional. Li1+ is bonded to four S2- atoms to form LiS4 tetrahedra that share corners with six equivalent FeS6 octahedra and corners with six equivalent SnS6 octahedra. The corner-sharing octahedra tilt angles range from 45–67°. There are two shorter (2.36 Å) and two longer (2.42 Å) Li–S bond lengths. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six S2- atoms to form FeS6 octahedra that share corners with three equivalent LiS4 tetrahedra, corners with three equivalent FeS4 tetrahedra, edges with two equivalent FeS6 octahedra, and edges with four equivalent SnS6 octahedra. There are a spread of Fe–S bond distances ranging from 2.28–2.45 Å. In the second Fe3+ site, Fe3+ is bonded to four S2- atoms to form FeS4 tetrahedra that share corners with six equivalent FeS6 octahedra and corners with six equivalent SnS6 octahedra. The corner-sharing octahedra tilt angles range from 49–65°. There are two shorter (2.28 Å) and two longer (2.34 Å) Fe–S bond lengths. Sn3+ is bonded to six S2- atoms to form SnS6 octahedra that share corners with three equivalent LiS4 tetrahedra, corners with three equivalent FeS4 tetrahedra, edges with two equivalent SnS6 octahedra, and edges with four equivalent FeS6 octahedra. There are a spread of Sn–S bond distances ranging from 2.54–2.59 Å. There are four inequivalent S2- sites. In the first S2- site, S2- is bonded in a rectangular see-saw-like geometry to two Fe3+ and two equivalent Sn3+ atoms. In the second S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Fe3+ and one Sn3+ atom. In the third S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two equivalent Fe3+, and one Sn3+ atom. In the fourth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, one Fe3+, and two equivalent Sn3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Li5Cr2Fe3O10 by Materials Project

Li5Cr2Fe3O10 is Caswellsilverite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are five inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one LiO6 octahedra, corners with two CrO6 octahedra, corners with three FeO6 octahedra, edges with two FeO6 octahedra, edges with three CrO6 octahedra, and edges with seven LiO6 octahedra. The corner-sharing octahedra tilt angles range from 3–12°. There are a spread of Li–O bond distances ranging from 2.11–2.30 Å. In the second Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one LiO6 octahedra, corners with two FeO6 octahedra, corners with three CrO6 octahedra, edges with two equivalent CrO6 octahedra, edges with five LiO6 octahedra, and edges with five FeO6 octahedra. The corner-sharing octahedra tilt angles range from 2–15°. There are a spread of Li–O bond distances ranging from 2.02–2.41 Å. In the third Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four LiO6 octahedra, edges with two FeO6 octahedra, edges with four CrO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 4–12°. There are a spread of Li–O bond distances ranging from 2.11–2.26 Å. In the fourth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one LiO6 octahedra, corners with two FeO6 octahedra, corners with three CrO6 octahedra, edges with two equivalent CrO6 octahedra, edges with five LiO6 octahedra, and edges with five FeO6 octahedra. The corner-sharing octahedra tilt angles range from 2–15°. There are a spread of Li–O bond distances ranging from 2.02–2.40 Å. In the fifth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one LiO6 octahedra, corners with two CrO6 octahedra, corners with three FeO6 octahedra, edges with two FeO6 octahedra, edges with three CrO6 octahedra, and edges with seven LiO6 octahedra. The corner-sharing octahedra tilt angles range from 3–12°. There are a spread of Li–O bond distances ranging from 2.11–2.30 Å. There are two inequivalent Cr3+ sites. In the first Cr3+ site, Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with five LiO6 octahedra, an edgeedge with one CrO6 octahedra, edges with four FeO6 octahedra, and edges with seven LiO6 octahedra. The corner-sharing octahedra tilt angles range from 2–15°. There are a spread of Cr–O bond distances ranging from 1.98–2.15 Å. In the second Cr3+ site, Cr3+ is bonded to six O2- atoms to form CrO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with five LiO6 octahedra, an edgeedge with one CrO6 octahedra, edges with four FeO6 octahedra, and edges with seven LiO6 octahedra. The corner-sharing octahedra tilt angles range from 2–15°. There are a spread of Cr–O bond distances ranging from 1.98–2.15 Å. There are three inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with five LiO6 octahedra, edges with three CrO6 octahedra, edges with four FeO6 octahedra, and edges with five LiO6 octahedra. The corner-sharing octahedra tilt angles range from 3–12°. There are a spread of Fe–O bond distances ranging from 1.94–2.16 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with five LiO6 octahedra, edges with three CrO6 octahedra, edges with four FeO6 octahedra, and edges with five LiO6 octahedra. The corner-sharing octahedra tilt angles range from 3–12°. There are a spread of Fe–O bond distances ranging from 1.94–2.16 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with two CrO6 octahedra, corners with two FeO6 octahedra, edges with two CrO6 octahedra, edges with four FeO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 4–6°. There are a spread of Fe–O bond distances ranging from 2.01–2.09 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded to two Li1+, one Cr3+, and three Fe3+ atoms to form a mixture of edge and corner-sharing OLi2CrFe3 octahedra. The corner-sharing octahedra tilt angles range from 0–16°. In the second O2- site, O2- is bonded to four Li1+ and two Cr3+ atoms to form a mixture of edge and corner-sharing OLi4Cr2 octahedra. The corner-sharing octahedra tilt angles range from 0–11°. In the third O2- site, O2- is bonded to two Li1+, one Cr3+, and three Fe3+ atoms to form a mixture of edge and corner-sharing OLi2CrFe3 octahedra. The corner-sharing octahedra tilt angles range from 0–12°. In the fourth O2- site, O2- is bonded to three Li1+, one Cr3+, and two Fe3+ atoms to form OLi3CrFe2 octahedra that share corners with six OLi4Cr2 octahedra and edges with twelve OLi2CrFe3 octahedra. The corner-sharing octahedra tilt angles range from 0–16°. In the fifth O2- site, O2- is bonded to four Li1+, one Cr3+, and one Fe3+ atom to form OLi4CrFe octahedra that share corners with six OLi4Cr2 octahedra and edges with twelve OLi2CrFe3 octahedra. The corner-sharing octahedra tilt angles range from 0–10°. In the sixth O2- site, O2- is bonded to four Li1+, one Cr3+, and one Fe3+ atom to form OLi4CrFe octahedra that share corners with six OLi2CrFe3 octahedra and edges with twelve OLi4Cr2 octahedra. The corner-sharing octahedra tilt angles range from 0–10°. In the seventh O2- site, O2- is bonded to three Li1+, one Cr3+, and two Fe3+ atoms to form a mixture of edge and corner-sharing OLi3CrFe2 octahedra. The corner-sharing octahedra tilt angles range from 0–16°. In the eighth O2- site, O2- is bonded to two Li1+, one Cr3+, and three Fe3+ atoms to form OLi2CrFe3 octahedra that share corners with six OLi4Cr2 octahedra and edges with twelve OLi2CrFe3 octahedra. The corner-sharing octahedra tilt angles range from 0–11°. In the ninth O2- site, O2- is bonded to four Li1+ and two Cr3+ atoms to form OLi4Cr2 octahedra that share corners with six OLi4Cr2 octahedra and edges with twelve OLi2CrFe3 octahedra. The corner-sharing octahedra tilt angles range from 0–12°. In the tenth O2- site, O2- is bonded to two Li1+, one Cr3+, and three Fe3+ atoms to form a mixture of edge and corner-sharing OLi2CrFe3 octahedra. The corner-sharing octahedra tilt angles range from 0–16°.

36 MATERIALS SCIENCE↗

Materials Data on Sr6Ca2Mn5(FeO8)3 by Materials Project

Sr6Ca2Mn5(FeO8)3 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic P2 space group. The structure is three-dimensional. there are three inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, faces with three FeO6 octahedra, and faces with five MnO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.74–2.77 Å. In the second Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with four equivalent SrO12 cuboctahedra, corners with eight equivalent CaO12 cuboctahedra, faces with six SrO12 cuboctahedra, faces with three FeO6 octahedra, and faces with five MnO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.74–2.79 Å. In the third Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent SrO12 cuboctahedra, faces with four equivalent CaO12 cuboctahedra, faces with three FeO6 octahedra, and faces with five MnO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.73–2.76 Å. Ca2+ is bonded to twelve O2- atoms to form CaO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight equivalent SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, faces with three FeO6 octahedra, and faces with five MnO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.70–2.76 Å. There are five inequivalent Mn+4.60+ sites. In the first Mn+4.60+ site, Mn+4.60+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent MnO6 octahedra, corners with four FeO6 octahedra, faces with two equivalent CaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Mn–O bond distances ranging from 1.90–1.96 Å. In the second Mn+4.60+ site, Mn+4.60+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four MnO6 octahedra, faces with two equivalent CaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Mn–O bond distances ranging from 1.93–1.95 Å. In the third Mn+4.60+ site, Mn+4.60+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four MnO6 octahedra, faces with two equivalent CaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Mn–O bond distances ranging from 1.91–1.95 Å. In the fourth Mn+4.60+ site, Mn+4.60+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four MnO6 octahedra, faces with two equivalent CaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Mn–O bond distances ranging from 1.92–1.95 Å. In the fifth Mn+4.60+ site, Mn+4.60+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with six MnO6 octahedra, faces with two equivalent CaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There is one shorter (1.93 Å) and five longer (1.94 Å) Mn–O bond length. There are three inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent MnO6 octahedra, corners with four FeO6 octahedra, faces with two equivalent CaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are a spread of Fe–O bond distances ranging from 1.91–1.97 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four MnO6 octahedra, faces with two equivalent CaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are a spread of Fe–O bond distances ranging from 1.95–1.99 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four MnO6 octahedra, faces with two equivalent CaO12 cuboctahedra, and faces with six SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are a spread of Fe–O bond distances ranging from 1.94–1.99 Å. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one Ca2+, one Mn+4.60+, and one Fe3+ atom. In the second O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one Ca2+, one Mn+4.60+, and one Fe3+ atom. In the third O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one Ca2+, one Mn+4.60+, and one Fe3+ atom. In the fourth O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one Ca2+, and two Mn+4.60+ atoms. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Fe3+ atoms. In the sixth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+, one Mn+4.60+, and one Fe3+ atom. In the seventh O2- site, O2- is bonded in a distorted linear geometry to two equivalent Sr2+, two equivalent Ca2+, and two Fe3+ atoms. In the eighth O2- site, O2- is bonded in a distorted linear geometry to two equivalent Sr2+, two equivalent Ca2+, one Mn+4.60+, and one Fe3+ atom. In the ninth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Mn+4.60+ atoms. In the tenth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Mn+4.60+ atoms. In the eleventh O2- site, O2- is bonded in a distorted linear geometry to two equivalent Sr2+, two equivalent Ca2+, and two Mn+4.60+ atoms. In the twelfth O2- site, O2- is bonded in a distorted linear geometry to two equivalent Sr2+, two equivalent Ca2+, and two Mn+4.60+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one Ca2+, and two Fe3+ atoms. In the fourteenth O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one Ca2+, one Mn+4.60+, and one Fe3+ atom. In the fifteenth O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one Ca2+, and two Mn+4.60+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one Ca2+, and two Mn+4.60+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Sr7CaMn4(FeO6)4 by Materials Project

Sr7CaMn4(FeO6)4 is (Cubic) Perovskite-derived structured and crystallizes in the trigonal R3m space group. The structure is three-dimensional. there are three inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve SrO12 cuboctahedra, faces with two equivalent CaO12 cuboctahedra, faces with four equivalent SrO12 cuboctahedra, faces with four MnO6 octahedra, and faces with four FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.75–2.77 Å. In the second Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with four equivalent CaO12 cuboctahedra, corners with eight equivalent SrO12 cuboctahedra, faces with six SrO12 cuboctahedra, faces with four MnO6 octahedra, and faces with four FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.75–2.79 Å. In the third Sr2+ site, Sr2+ is bonded to twelve O2- atoms to form SrO12 cuboctahedra that share corners with twelve equivalent SrO12 cuboctahedra, faces with six equivalent SrO12 cuboctahedra, faces with four MnO6 octahedra, and faces with four FeO6 octahedra. There are a spread of Sr–O bond distances ranging from 2.75–2.77 Å. Ca2+ is bonded to twelve O2- atoms to form CaO12 cuboctahedra that share corners with twelve equivalent SrO12 cuboctahedra, faces with six equivalent SrO12 cuboctahedra, faces with four MnO6 octahedra, and faces with four FeO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.72–2.74 Å. There are two inequivalent Mn5+ sites. In the first Mn5+ site, Mn5+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent MnO6 octahedra, corners with four equivalent FeO6 octahedra, a faceface with one CaO12 cuboctahedra, and faces with seven SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There are a spread of Mn–O bond distances ranging from 1.92–1.96 Å. In the second Mn5+ site, Mn5+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with six equivalent MnO6 octahedra, a faceface with one CaO12 cuboctahedra, and faces with seven SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–2°. There is three shorter (1.94 Å) and three longer (1.95 Å) Mn–O bond length. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six equivalent FeO6 octahedra, a faceface with one CaO12 cuboctahedra, and faces with seven SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There is three shorter (1.92 Å) and three longer (1.93 Å) Fe–O bond length. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent FeO6 octahedra, corners with four equivalent MnO6 octahedra, a faceface with one CaO12 cuboctahedra, and faces with seven SrO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–1°. There is three shorter (1.97 Å) and three longer (1.98 Å) Fe–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one Ca2+, and two Fe3+ atoms. In the second O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one Ca2+, one Mn5+, and one Fe3+ atom. In the third O2- site, O2- is bonded in a distorted linear geometry to three Sr2+, one Ca2+, and two Mn5+ atoms. In the fourth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Fe3+ atoms. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+, one Mn5+, and one Fe3+ atom. In the sixth O2- site, O2- is bonded in a distorted linear geometry to four Sr2+ and two Mn5+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Mg(FeO2)2 by Materials Project

MgFe2O4 crystallizes in the orthorhombic Pbcm space group. The structure is three-dimensional. Mg2+ is bonded in a 6-coordinate geometry to eight O2- atoms. There are a spread of Mg–O bond distances ranging from 2.04–2.70 Å. Fe3+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing FeO6 octahedra. The corner-sharing octahedra tilt angles range from 0–56°. There are a spread of Fe–O bond distances ranging from 1.98–2.09 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Mg2+ and three equivalent Fe3+ atoms to form distorted OMg2Fe3 trigonal bipyramids that share corners with five equivalent OMg2Fe2 tetrahedra, corners with two equivalent OMg2Fe3 trigonal bipyramids, an edgeedge with one OMg2Fe2 tetrahedra, and edges with five equivalent OMg2Fe3 trigonal bipyramids. In the second O2- site, O2- is bonded in a distorted square co-planar geometry to two equivalent Mg2+ and four equivalent Fe3+ atoms. In the third O2- site, O2- is bonded to two equivalent Mg2+ and two equivalent Fe3+ atoms to form OMg2Fe2 tetrahedra that share corners with two equivalent OMg2Fe2 tetrahedra, corners with ten equivalent OMg2Fe3 trigonal bipyramids, and edges with two equivalent OMg2Fe3 trigonal bipyramids.

36 MATERIALS SCIENCE↗

Materials Data on Li10FeCo9O20 by Materials Project

Li10FeCo9O20 is alpha Po-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are ten inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with five CoO6 octahedra, an edgeedge with one FeO6 octahedra, edges with five CoO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 4–9°. There are a spread of Li–O bond distances ranging from 2.08–2.16 Å. In the second Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with five CoO6 octahedra, an edgeedge with one FeO6 octahedra, edges with five CoO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 4–8°. There are a spread of Li–O bond distances ranging from 2.07–2.24 Å. In the third Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with six CoO6 octahedra, an edgeedge with one FeO6 octahedra, edges with five CoO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 4–8°. There are a spread of Li–O bond distances ranging from 2.09–2.17 Å. In the fourth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with six CoO6 octahedra, an edgeedge with one FeO6 octahedra, edges with five CoO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 2–8°. There are a spread of Li–O bond distances ranging from 2.07–2.19 Å. In the fifth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with six CoO6 octahedra, an edgeedge with one FeO6 octahedra, edges with five CoO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 3–8°. There are a spread of Li–O bond distances ranging from 2.09–2.22 Å. In the sixth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with five CoO6 octahedra, edges with six LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 4–9°. There are a spread of Li–O bond distances ranging from 2.07–2.21 Å. In the seventh Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with five CoO6 octahedra, edges with six LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 5–9°. There are a spread of Li–O bond distances ranging from 2.09–2.18 Å. In the eighth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with five CoO6 octahedra, edges with six LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 2–9°. There are a spread of Li–O bond distances ranging from 2.09–2.20 Å. In the ninth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with six CoO6 octahedra, an edgeedge with one FeO6 octahedra, edges with five CoO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 2–9°. There are a spread of Li–O bond distances ranging from 2.07–2.20 Å. In the tenth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with five CoO6 octahedra, edges with six LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 5–8°. There are a spread of Li–O bond distances ranging from 2.07–2.20 Å. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six LiO6 octahedra, edges with six LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 4–9°. There is three shorter (1.97 Å) and three longer (1.98 Å) Fe–O bond length. There are nine inequivalent Co3+ sites. In the first Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six LiO6 octahedra, edges with six LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 2–9°. There are a spread of Co–O bond distances ranging from 1.99–2.05 Å. In the second Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six LiO6 octahedra, edges with six LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 5–9°. There are a spread of Co–O bond distances ranging from 1.99–2.07 Å. In the third Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six LiO6 octahedra, edges with six LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 2–5°. There are a spread of Co–O bond distances ranging from 1.93–1.97 Å. In the fourth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six LiO6 octahedra, edges with six LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 3–9°. There are a spread of Co–O bond distances ranging from 1.96–2.07 Å. In the fifth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six LiO6 octahedra, edges with six LiO6 octahedra, and edges with six CoO6 octahedra. The corner-sharing octahedra tilt angles range from 4–7°. There are a spread of Co–O bond distances ranging from 1.96–2.09 Å. In the sixth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six LiO6 octahedra, edges with two equivalent FeO6 octahedra, edges with four CoO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 5–7°. There are a spread of Co–O bond distances ranging from 1.95–1.97 Å. In the seventh Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six LiO6 octahedra, an edgeedge with one FeO6 octahedra, edges with five CoO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 6–9°. There are a spread of Co–O bond distances ranging from 2.00–2.03 Å. In the eighth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six LiO6 octahedra, an edgeedge with one FeO6 octahedra, edges with five CoO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 5–7°. There are a spread of Co–O bond distances ranging from 1.95–1.97 Å. In the ninth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six LiO6 octahedra, edges with two equivalent FeO6 octahedra, edges with four CoO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 5–8°. There is five shorter (1.95 Å) and one longer (1.96 Å) Co–O bond length. There are twenty inequivalent O2- sites. In the first O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. In the second O2- site, O2- is bonded to three Li1+, one Fe3+, and two Co3+ atoms to form a mixture of edge and corner-sharing OLi3FeCo2 octahedra. The corner-sharing octahedra tilt angles range from 1–2°. In the third O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 1–2°. In the fourth O2- site, O2- is bonded to three Li1+, one Fe3+, and two Co3+ atoms to form a mixture of edge and corner-sharing OLi3FeCo2 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. In the fifth O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 0–3°. In the sixth O2- site, O2- is bonded to three Li1+, one Fe3+, and two Co3+ atoms to form a mixture of edge and corner-sharing OLi3FeCo2 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. In the seventh O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 1–4°. In the eighth O2- site, O2- is bonded to three Li1+, one Fe3+, and two Co3+ atoms to form a mixture of edge and corner-sharing OLi3FeCo2 octahedra. The corner-sharing octahedra tilt angles range from 0–2°. In the ninth O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form OLi3Co3 octahedra that share corners with six OLi3FeCo2 octahedra and edges with twelve OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. In the tenth O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 0–3°. In the eleventh O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 0–2°. In the twelfth O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 0–4°. In the thirteenth O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 1–4°. In the fourteenth O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 1–4°. In the fifteenth O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 0–3°. In the sixteenth O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 1–4°. In the seventeenth O2- site, O2- is bonded to three Li1+, one Fe3+, and two Co3+ atoms to form a mixture of edge and corner-sharing OLi3FeCo2 octahedra. The corner-sharing octahedra tilt angles range from 1–2°. In the eighteenth O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 2–4°. In the nineteenth O2- site, O2- is bonded to three Li1+ and three Co3+ atoms to form a mixture of edge and corner-sharing OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 0–3°. In the twentieth O2- site, O2- is bonded to three Li1+, one Fe3+, and two Co3+ atoms to form OLi3FeCo2 octahedra that share corners with six OLi3FeCo2 octahedra and edges with twelve OLi3Co3 octahedra. The corner-sharing octahedra tilt angles range from 0–2°.

36 MATERIALS SCIENCE↗

Materials Data on Li11Fe5(OF11)2 by Materials Project

Li11Fe5(OF11)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eleven inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four F1- atoms to form LiF4 tetrahedra that share corners with three LiOF5 octahedra, corners with four FeOF5 octahedra, and corners with two equivalent LiF4 tetrahedra. The corner-sharing octahedra tilt angles range from 49–71°. There are a spread of Li–F bond distances ranging from 1.89–1.93 Å. In the second Li1+ site, Li1+ is bonded to one O2- and five F1- atoms to form LiOF5 octahedra that share corners with three LiF4 tetrahedra, edges with three LiF6 octahedra, and edges with three FeF6 octahedra. The Li–O bond length is 2.05 Å. There are a spread of Li–F bond distances ranging from 1.95–2.21 Å. In the third Li1+ site, Li1+ is bonded to six F1- atoms to form distorted LiF6 octahedra that share corners with two LiF6 octahedra, corners with four FeOF5 octahedra, a cornercorner with one LiF4 tetrahedra, an edgeedge with one FeF6 octahedra, and edges with two LiOF5 octahedra. The corner-sharing octahedra tilt angles range from 7–56°. There are a spread of Li–F bond distances ranging from 1.95–2.47 Å. In the fourth Li1+ site, Li1+ is bonded to six F1- atoms to form LiF6 octahedra that share corners with two LiF6 octahedra, corners with three LiF4 tetrahedra, edges with three LiOF5 octahedra, and edges with three FeF6 octahedra. The corner-sharing octahedra tilt angles range from 8–57°. There are a spread of Li–F bond distances ranging from 1.95–2.16 Å. In the fifth Li1+ site, Li1+ is bonded to four F1- atoms to form LiF4 tetrahedra that share corners with four LiOF5 octahedra, corners with four FeOF5 octahedra, and corners with two equivalent LiF4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–66°. There are a spread of Li–F bond distances ranging from 1.89–1.93 Å. In the sixth Li1+ site, Li1+ is bonded to four F1- atoms to form LiF4 tetrahedra that share corners with four LiF6 octahedra, corners with four FeF6 octahedra, and corners with two equivalent LiOF3 tetrahedra. The corner-sharing octahedra tilt angles range from 54–67°. There are a spread of Li–F bond distances ranging from 1.89–1.92 Å. In the seventh Li1+ site, Li1+ is bonded to six F1- atoms to form LiF6 octahedra that share corners with two LiF6 octahedra, corners with three LiF4 tetrahedra, edges with three LiOF5 octahedra, and edges with three FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 17–56°. There are a spread of Li–F bond distances ranging from 2.00–2.09 Å. In the eighth Li1+ site, Li1+ is bonded to six F1- atoms to form distorted LiF6 octahedra that share corners with two LiF6 octahedra, corners with four FeOF5 octahedra, a cornercorner with one LiF4 tetrahedra, an edgeedge with one FeF6 octahedra, and edges with two LiOF5 octahedra. The corner-sharing octahedra tilt angles range from 9–57°. There are a spread of Li–F bond distances ranging from 1.98–2.44 Å. In the ninth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to five F1- atoms. There are a spread of Li–F bond distances ranging from 1.96–2.12 Å. In the tenth Li1+ site, Li1+ is bonded to one O2- and five F1- atoms to form LiOF5 octahedra that share corners with three LiF4 tetrahedra, edges with three LiF6 octahedra, and edges with three FeOF5 octahedra. The Li–O bond length is 2.01 Å. There are a spread of Li–F bond distances ranging from 2.02–2.12 Å. In the eleventh Li1+ site, Li1+ is bonded to one O2- and three F1- atoms to form LiOF3 tetrahedra that share corners with three LiOF5 octahedra, corners with four FeOF5 octahedra, and corners with two equivalent LiF4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–71°. The Li–O bond length is 1.95 Å. There are a spread of Li–F bond distances ranging from 1.88–1.94 Å. There are five inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to one O2- and five F1- atoms to form FeOF5 octahedra that share corners with two LiF6 octahedra, corners with four LiF4 tetrahedra, and edges with three LiOF5 octahedra. The corner-sharing octahedra tilt angles range from 9–52°. The Fe–O bond length is 1.87 Å. There are a spread of Fe–F bond distances ranging from 1.95–2.07 Å. In the second Fe3+ site, Fe3+ is bonded in a 6-coordinate geometry to two O2- and four F1- atoms. There is one shorter (1.84 Å) and one longer (1.90 Å) Fe–O bond length. There are a spread of Fe–F bond distances ranging from 2.03–2.53 Å. In the third Fe3+ site, Fe3+ is bonded to six F1- atoms to form FeF6 octahedra that share corners with two equivalent LiF6 octahedra, corners with four LiF4 tetrahedra, and edges with four LiOF5 octahedra. The corner-sharing octahedra tilt angles range from 48–56°. There are a spread of Fe–F bond distances ranging from 1.92–2.00 Å. In the fourth Fe3+ site, Fe3+ is bonded to six F1- atoms to form FeF6 octahedra that share corners with two equivalent LiF6 octahedra, corners with four LiF4 tetrahedra, and edges with four LiOF5 octahedra. The corner-sharing octahedra tilt angles range from 48–51°. There are a spread of Fe–F bond distances ranging from 1.91–2.09 Å. In the fifth Fe3+ site, Fe3+ is bonded to one O2- and five F1- atoms to form distorted FeOF5 octahedra that share corners with two LiF6 octahedra, corners with four LiF4 tetrahedra, and edges with three LiOF5 octahedra. The corner-sharing octahedra tilt angles range from 7–51°. The Fe–O bond length is 1.91 Å. There are a spread of Fe–F bond distances ranging from 1.92–2.29 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two Fe3+ atoms. In the second O2- site, O2- is bonded to two Li1+ and two Fe3+ atoms to form OLi2Fe2 tetrahedra that share a cornercorner with one FLi3Fe2 square pyramid, corners with two FLi3Fe tetrahedra, edges with two FLi3Fe2 square pyramids, and an edgeedge with one FLi3Fe tetrahedra. There are twenty-two inequivalent F1- sites. In the first F1- site, F1- is bonded in a trigonal planar geometry to one Li1+ and two Fe3+ atoms. In the second F1- site, F1- is bonded in a trigonal planar geometry to two Li1+ and one Fe3+ atom. In the third F1- site, F1- is bonded to three Li1+ and two Fe3+ atoms to form distorted FLi3Fe2 square pyramids that share a cornercorner with one OLi2Fe2 tetrahedra, a cornercorner with one FLi3Fe tetrahedra, edges with two equivalent FLi3Fe2 square pyramids, an edgeedge with one OLi2Fe2 tetrahedra, and edges with three FLi3Fe tetrahedra. In the fourth F1- site, F1- is bonded to three Li1+ and one Fe3+ atom to form distorted FLi3Fe tetrahedra that share a cornercorner with one FLi3Fe2 square pyramid, corners with four FLi3Fe tetrahedra, edges with two FLi3Fe2 square pyramids, and an edgeedge with one OLi2Fe2 tetrahedra. In the fifth F1- site, F1- is bonded to three Li1+ and one Fe3+ atom to form FLi3Fe tetrahedra that share a cornercorner with one FLi3Fe2 square pyramid, a cornercorner with one OLi2Fe2 tetrahedra, corners with three FLi3Fe tetrahedra, edges with two FLi3Fe2 square pyramids, and an edgeedge with one FLi3Fe tetrahedra. In the sixth F1- site, F1- is bonded to three Li1+ and two Fe3+ atoms to form distorted FLi3Fe2 square pyramids that share corners with two FLi3Fe tetrahedra, edges with two equivalent FLi3Fe2 square pyramids, an edgeedge with one OLi2Fe2 tetrahedra, and edges with three FLi3Fe tetrahedra. In the seventh F1- site, F1- is bonded in a trigonal planar geometry to two Li1+ and one Fe3+ atom. In the eighth F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two Fe3+ atoms. In the ninth F1- site, F1- is bonded to three Li1+ and one Fe3+ atom to form FLi3Fe tetrahedra that share a cornercorner with one FLi3Fe2 square pyramid, a cornercorner with one FLi3Fe tetrahedra, a cornercorner with one FLi3Fe trigonal pyramid, edges with two FLi3Fe2 square pyramids, and an edgeedge with one FLi3Fe tetrahedra. In the tenth F1- site, F1- is bonded in a distorted trigonal planar geometry to two Li1+ and one Fe3+ atom. In the eleventh F1- site, F1- is bonded in a trigonal planar geometry to two Li1+ and one Fe3+ atom. In the twelfth F1- site, F1- is bonded to three Li1+ and one Fe3+ atom to form distorted FLi3Fe tetrahedra that share corners with two FLi3Fe tetrahedra, an edgeedge with one FLi4Fe square pyramid, and an edgeedge with one FLi3Fe trigonal pyramid. In the thirteenth F1- site, F1- is bonded in a distorted trigonal planar geometry to two Li1+ and one Fe3+ atom. In the fourteenth F1- site, F1- is bonded in a trigonal planar geometry to two Li1+ and one Fe3+ atom. In the fifteenth F1- site, F1- is bonded in a 5-coordinate geometry to three Li1+ and one Fe3+ atom. In the sixteenth F1- site, F1- is bonded to three Li1+ and one Fe3+ atom to form distorted FLi3Fe trigonal pyramids that share corners with four FLi3Fe tetrahedra, an edgeedge with one FLi4Fe square pyramid, and an edgeedge with one FLi3Fe tetrahedra. In the seventeenth F1- site, F1- is bonded to three Li1+ and one Fe3+ atom to form distorted FLi3Fe tetrahedra that share a cornercorner with one FLi4Fe square pyramid, a cornercorner with one OLi2Fe2 tetrahedra, a cornercorner with one FLi3Fe tetrahedra, corners with two equivalent FLi3Fe trigonal pyramids, an edgeedge with one FLi4Fe square pyramid, and an edgeedge with one FLi3Fe tetrahedra. In the eighteenth F1- site, F1- is bonded to four Li1+ and one Fe3+ atom to form a mixture of distorted edge and corner-sharing FLi4Fe square pyramids. In the nineteenth F1- site, F1- is bonded in a trigonal planar geometry to two Li1+ and one Fe3+ atom. In the twentieth F1- site, F1- is bonded in a trigonal planar geometry to two Li1+ and one Fe3+ atom. In the twenty-first F1- site, F1- is bonded to three Li1+ and one Fe3+ atom to form FLi3Fe tetrahedra that share a cornercorner with one FLi4Fe square pyramid, a cornercorner with one FLi3Fe tetrahedra, a cornercorner with one FLi3Fe trigonal pyramid, an edgeedge with one FLi4Fe square pyramid, and an edgeedge with one FLi3Fe tetrahedra. In the twenty-second F1- site, F1- is bonded in a trigonal planar geometry to two Li1+ and one Fe3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on KBaNaCaTi4Fe8Si8(O19F)2 by Materials Project

KNaBaCaTi4Fe8Si8(O19F)2 crystallizes in the monoclinic P2/m space group. The structure is three-dimensional. K1+ is bonded in a 2-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.70–3.26 Å. Na1+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of Na–O bond distances ranging from 2.63–2.74 Å. Ba2+ is bonded in a 2-coordinate geometry to two equivalent O2- atoms. Both Ba–O bond lengths are 2.70 Å. Ca2+ is bonded in a distorted q6 geometry to ten O2- atoms. There are a spread of Ca–O bond distances ranging from 2.56–2.71 Å. There are two inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share a cornercorner with one TiO6 octahedra and corners with four equivalent SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 0°. There are a spread of Ti–O bond distances ranging from 1.87–2.11 Å. In the second Ti4+ site, Ti4+ is bonded to five O2- and one F1- atom to form TiO5F octahedra that share a cornercorner with one TiO5F octahedra, a cornercorner with one FeO5F octahedra, and corners with four equivalent SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 0–46°. There are a spread of Ti–O bond distances ranging from 1.85–1.94 Å. The Ti–F bond length is 2.12 Å. There are three inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to five O2- and one F1- atom to form FeO5F octahedra that share a cornercorner with one TiO5F octahedra and corners with four SiO4 tetrahedra. The corner-sharing octahedral tilt angles are 46°. There are a spread of Fe–O bond distances ranging from 1.84–2.10 Å. The Fe–F bond length is 2.04 Å. In the second Fe3+ site, Fe3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Fe–O bond distances ranging from 2.05–2.29 Å. In the third Fe3+ site, Fe3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Fe–O bond distances ranging from 1.87–2.46 Å. There are two inequivalent Si4+ sites. In the first Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one FeO5F octahedra, corners with two equivalent TiO5F octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 27–55°. There are a spread of Si–O bond distances ranging from 1.61–1.66 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share a cornercorner with one FeO5F octahedra, corners with two equivalent TiO6 octahedra, and a cornercorner with one SiO4 tetrahedra. The corner-sharing octahedra tilt angles range from 24–55°. There are a spread of Si–O bond distances ranging from 1.60–1.66 Å. There are fifteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three Fe3+ and one Si4+ atom. In the second O2- site, O2- is bonded in a distorted linear geometry to two equivalent K1+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Na1+, one Ti4+, and one Si4+ atom. In the fourth O2- site, O2- is bonded in a distorted linear geometry to two equivalent Ca2+ and two equivalent Ti4+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Fe3+ atoms. In the sixth O2- site, O2- is bonded in a linear geometry to two equivalent Si4+ atoms. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to three Fe3+ and one Si4+ atom. In the eighth O2- site, O2- is bonded in a distorted tetrahedral geometry to one Ti4+ and three Fe3+ atoms. In the ninth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Fe3+ atoms. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Ca2+, one Ti4+, and one Si4+ atom. In the eleventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Si4+ and one O2- atom. The O–O bond length is 1.88 Å. In the twelfth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Na1+, one Ti4+, and one Si4+ atom. In the thirteenth O2- site, O2- is bonded in a square co-planar geometry to two equivalent Ba2+ and two equivalent O2- atoms. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Ca2+, one Ti4+, and one Si4+ atom. In the fifteenth O2- site, O2- is bonded in a distorted linear geometry to two equivalent Na1+ and two equivalent Ti4+ atoms. F1- is bonded in a distorted bent 120 degrees geometry to one Ti4+ and one Fe3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Li2Mn5(FeO6)2 by Materials Project

Li2Mn5(FeO6)2 is Spinel-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two equivalent FeO6 octahedra and corners with ten MnO6 octahedra. The corner-sharing octahedra tilt angles range from 51–65°. There are a spread of Li–O bond distances ranging from 2.02–2.12 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two FeO6 octahedra and corners with ten MnO6 octahedra. The corner-sharing octahedra tilt angles range from 53–66°. There are a spread of Li–O bond distances ranging from 2.01–2.13 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two equivalent FeO6 octahedra and corners with ten MnO6 octahedra. The corner-sharing octahedra tilt angles range from 51–65°. There are a spread of Li–O bond distances ranging from 2.03–2.11 Å. In the fourth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two FeO6 octahedra and corners with ten MnO6 octahedra. The corner-sharing octahedra tilt angles range from 53–66°. There are a spread of Li–O bond distances ranging from 2.02–2.12 Å. There are ten inequivalent Mn+3.20+ sites. In the first Mn+3.20+ site, Mn+3.20+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, edges with two equivalent FeO6 octahedra, and edges with four MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.95–2.22 Å. In the second Mn+3.20+ site, Mn+3.20+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two FeO4 tetrahedra, corners with four LiO4 tetrahedra, an edgeedge with one FeO6 octahedra, and edges with five MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.99–2.24 Å. In the third Mn+3.20+ site, Mn+3.20+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two FeO4 tetrahedra, corners with four LiO4 tetrahedra, an edgeedge with one FeO6 octahedra, and edges with five MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.99–2.22 Å. In the fourth Mn+3.20+ site, Mn+3.20+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, an edgeedge with one FeO6 octahedra, and edges with five MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.91–2.01 Å. In the fifth Mn+3.20+ site, Mn+3.20+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, an edgeedge with one FeO6 octahedra, and edges with five MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.97–2.22 Å. In the sixth Mn+3.20+ site, Mn+3.20+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, edges with two equivalent FeO6 octahedra, and edges with four MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.95–2.21 Å. In the seventh Mn+3.20+ site, Mn+3.20+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two FeO4 tetrahedra, corners with four LiO4 tetrahedra, an edgeedge with one FeO6 octahedra, and edges with five MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.99–2.23 Å. In the eighth Mn+3.20+ site, Mn+3.20+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two FeO4 tetrahedra, corners with four LiO4 tetrahedra, an edgeedge with one FeO6 octahedra, and edges with five MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.99–2.24 Å. In the ninth Mn+3.20+ site, Mn+3.20+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, an edgeedge with one FeO6 octahedra, and edges with five MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.97–2.22 Å. In the tenth Mn+3.20+ site, Mn+3.20+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, an edgeedge with one FeO6 octahedra, and edges with five MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.91–2.02 Å. There are four inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, and edges with six MnO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.99–2.10 Å. In the second Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two equivalent FeO6 octahedra and corners with ten MnO6 octahedra. The corner-sharing octahedra tilt angles range from 49–63°. There are a spread of Fe–O bond distances ranging from 1.88–1.95 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent FeO4 tetrahedra, corners with four LiO4 tetrahedra, and edges with six MnO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.99–2.09 Å. In the fourth Fe3+ site, Fe3+ is bonded to four O2- atoms to form FeO4 tetrahedra that share corners with two equivalent FeO6 octahedra and corners with ten MnO6 octahedra. The corner-sharing octahedra tilt angles range from 48–63°. There are a spread of Fe–O bond distances ranging from 1.88–1.95 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mn+3.20+ and two Fe3+ atoms. In the second O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mn+3.20+ and two Fe3+ atoms. In the third O2- site, O2- is bonded to one Li1+, two Mn+3.20+, and one Fe3+ atom to form a mixture of distorted edge and corner-sharing OLiMn2Fe tetrahedra. In the fourth O2- site, O2- is bonded to one Li1+ and three Mn+3.20+ atoms to form a mixture of distorted edge and corner-sharing OLiMn3 tetrahedra. In the fifth O2- site, O2- is bonded to one Li1+ and three Mn+3.20+ atoms to form distorted OLiMn3 tetrahedra that share corners with five OLiMn2Fe tetrahedra and an edgeedge with one OLiMn3 tetrahedra. In the sixth O2- site, O2- is bonded to one Li1+ and three Mn+3.20+ atoms to form OLiMn3 tetrahedra that share corners with five OLiMn2Fe tetrahedra and an edgeedge with one OLiMn3 tetrahedra. In the seventh O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Mn+3.20+ and one Fe3+ atom. In the eighth O2- site, O2- is bonded in a rectangular see-saw-like geometry to three Mn+3.20+ and one Fe3+ atom. In the ninth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+ and three Mn+3.20+ atoms. In the tenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two Mn+3.20+, and one Fe3+ atom. In the eleventh O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Mn+3.20+, and one Fe3+ atom. In the twelfth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two Mn+3.20+, and one Fe3+ atom. In the thirteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mn+3.20+ and two Fe3+ atoms. In the fourteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mn+3.20+ and two Fe3+ atoms. In the fifteenth O2- site, O2- is bonded to one Li1+, two Mn+3.20+, and one Fe3+ atom to form a mixture of distorted edge and corner-sharing OLiMn2Fe tetrahedra. In the sixteenth O2- site, O2- is bonded to one Li1+ and three Mn+3.20+ atoms to form a mixture of distorted edge and corner-sharing OLiMn3 tetrahedra. In the seventeenth O2- site, O2- is bonded to one Li1+ and three Mn+3.20+ atoms to form OLiMn3 tetrahedra that share corners with five OLiMn2Fe tetrahedra and an edgeedge with one OLiMn3 tetrahedra. In the eighteenth O2- site, O2- is bonded to one Li1+ and three Mn+3.20+ atoms to form distorted OLiMn3 tetrahedra that share corners with five OLiMn2Fe tetrahedra and an edgeedge with one OLiMn3 tetrahedra. In the nineteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Mn+3.20+ and one Fe3+ atom. In the twentieth O2- site, O2- is bonded in a rectangular see-saw-like geometry to three Mn+3.20+ and one Fe3+ atom. In the twenty-first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+ and three Mn+3.20+ atoms. In the twenty-second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two Mn+3.20+, and one Fe3+ atom. In the twenty-third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two Mn+3.20+, and one Fe3+ atom. In the twenty-fourth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, two Mn+3.20+, and one Fe3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Li3CrFe3O8 by Materials Project

Li3CrFe3O8 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are three inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with seven FeO6 octahedra, edges with two equivalent CrO6 octahedra, edges with two FeO6 octahedra, edges with four LiO6 octahedra, and a faceface with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 2–47°. There are a spread of Li–O bond distances ranging from 2.01–2.23 Å. In the second Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with seven FeO6 octahedra, edges with two equivalent CrO6 octahedra, edges with two FeO6 octahedra, edges with four LiO6 octahedra, and a faceface with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 2–47°. There are a spread of Li–O bond distances ranging from 2.00–2.24 Å. In the third Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with seven FeO6 octahedra, edges with two equivalent CrO6 octahedra, edges with two FeO6 octahedra, edges with four LiO6 octahedra, and a faceface with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 3–47°. There are a spread of Li–O bond distances ranging from 2.01–2.25 Å. Cr4+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with six FeO6 octahedra, edges with three FeO6 octahedra, and edges with six LiO6 octahedra. The corner-sharing octahedra tilt angles range from 50–51°. There are a spread of Cr–O bond distances ranging from 1.95–2.02 Å. There are three inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent CrO6 octahedra, corners with seven LiO6 octahedra, an edgeedge with one CrO6 octahedra, edges with two LiO6 octahedra, edges with four FeO6 octahedra, and a faceface with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 2–50°. There are a spread of Fe–O bond distances ranging from 2.02–2.08 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent CrO6 octahedra, corners with seven LiO6 octahedra, an edgeedge with one CrO6 octahedra, edges with two LiO6 octahedra, edges with four FeO6 octahedra, and a faceface with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 2–51°. There are a spread of Fe–O bond distances ranging from 2.02–2.08 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent CrO6 octahedra, corners with seven LiO6 octahedra, an edgeedge with one CrO6 octahedra, edges with two LiO6 octahedra, edges with four FeO6 octahedra, and a faceface with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 3–51°. There are a spread of Fe–O bond distances ranging from 2.01–2.08 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded to two Li1+, one Cr4+, and two Fe3+ atoms to form distorted OLi2CrFe2 square pyramids that share corners with nine OLi2CrFe2 square pyramids, edges with two equivalent OLi3Fe3 octahedra, and edges with four OLi2CrFe2 square pyramids. In the second O2- site, O2- is bonded to two Li1+, one Cr4+, and two Fe3+ atoms to form OLi2CrFe2 square pyramids that share corners with nine OLi2CrFe2 square pyramids, edges with two equivalent OLi3Fe3 octahedra, and edges with four OLi2CrFe2 square pyramids. In the third O2- site, O2- is bonded to two Li1+, one Cr4+, and two Fe3+ atoms to form distorted OLi2CrFe2 square pyramids that share corners with nine OLi2CrFe2 square pyramids, edges with two equivalent OLi3Fe3 octahedra, and edges with four OLi2CrFe2 square pyramids. In the fourth O2- site, O2- is bonded to three Li1+ and three Fe3+ atoms to form edge-sharing OLi3Fe3 octahedra. In the fifth O2- site, O2- is bonded to two Li1+, one Cr4+, and two Fe3+ atoms to form distorted OLi2CrFe2 square pyramids that share corners with nine OLi2CrFe2 square pyramids, edges with two equivalent OLi3Fe3 octahedra, and edges with four OLi2CrFe2 square pyramids. In the sixth O2- site, O2- is bonded to two Li1+, one Cr4+, and two Fe3+ atoms to form OLi2CrFe2 square pyramids that share corners with nine OLi2CrFe2 square pyramids, edges with two equivalent OLi3Fe3 octahedra, and edges with four OLi2CrFe2 square pyramids. In the seventh O2- site, O2- is bonded in a 6-coordinate geometry to three Li1+ and three Fe3+ atoms. In the eighth O2- site, O2- is bonded to two Li1+, one Cr4+, and two Fe3+ atoms to form OLi2CrFe2 square pyramids that share corners with nine OLi2CrFe2 square pyramids, edges with two equivalent OLi3Fe3 octahedra, and edges with four OLi2CrFe2 square pyramids.

36 MATERIALS SCIENCE↗

Materials Data on Mn(FeO2)2 by Materials Project

MnFe2O4 is Spinel structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Mn2+ is bonded to four equivalent O2- atoms to form MnO4 tetrahedra that share corners with twelve equivalent FeO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All Mn–O bond lengths are 2.09 Å. Fe3+ is bonded to six equivalent O2- atoms to form FeO6 octahedra that share corners with six equivalent MnO4 tetrahedra and edges with six equivalent FeO6 octahedra. All Fe–O bond lengths are 2.06 Å. O2- is bonded to one Mn2+ and three equivalent Fe3+ atoms to form a mixture of distorted edge and corner-sharing OMnFe3 trigonal pyramids.

36 MATERIALS SCIENCE↗