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Materials Data on LaMnFe3(BiO4)3 by Materials Project

LaMnFe3(BiO4)3 is Pb (Zr_0.50 Ti_0.48) O_3-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. La3+ is bonded in a 1-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.26–2.84 Å. Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 26–31°. There are a spread of Mn–O bond distances ranging from 1.98–2.23 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 three equivalent MnO6 octahedra and corners with three equivalent FeO6 octahedra. The corner-sharing octahedra tilt angles range from 27–31°. There are a spread of Fe–O bond distances ranging from 2.01–2.06 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with three equivalent MnO6 octahedra and corners with three equivalent FeO6 octahedra. The corner-sharing octahedra tilt angles range from 26–31°. There are a spread of Fe–O bond distances ranging from 2.02–2.06 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form corner-sharing FeO6 octahedra. The corner-sharing octahedra tilt angles range from 26–29°. There are a spread of Fe–O bond distances ranging from 2.01–2.12 Å. There are three inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Bi–O bond distances ranging from 2.38–2.86 Å. In the second Bi3+ site, Bi3+ is bonded in a 5-coordinate geometry to seven O2- atoms. There are a spread of Bi–O bond distances ranging from 2.37–2.87 Å. In the third Bi3+ site, Bi3+ is bonded in a 5-coordinate geometry to seven O2- atoms. There are a spread of Bi–O bond distances ranging from 2.40–2.85 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two Fe3+ and three Bi3+ atoms. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one La3+, one Mn3+, one Fe3+, and two equivalent Bi3+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two Fe3+ and three Bi3+ atoms. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent La3+, one Mn3+, one Fe3+, and one Bi3+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to one La3+, two Fe3+, and one Bi3+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to one Mn3+, one Fe3+, and two Bi3+ atoms. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Fe3+ and two Bi3+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to one La3+, one Mn3+, one Fe3+, and one Bi3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on FeNiSb6 by Materials Project

FeNiSb6 is Skutterudite-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Fe3+ is bonded to six Sb+0.83- atoms to form FeSb6 octahedra that share corners with two equivalent FeSb6 octahedra and corners with four equivalent NiSb6 octahedra. The corner-sharing octahedra tilt angles range from 51–53°. There are a spread of Fe–Sb bond distances ranging from 2.51–2.53 Å. Ni2+ is bonded to six Sb+0.83- atoms to form NiSb6 octahedra that share corners with two equivalent NiSb6 octahedra and corners with four equivalent FeSb6 octahedra. The corner-sharing octahedra tilt angles range from 53–54°. There are two shorter (2.56 Å) and four longer (2.58 Å) Ni–Sb bond lengths. There are four inequivalent Sb+0.83- sites. In the first Sb+0.83- site, Sb+0.83- is bonded in a 2-coordinate geometry to two equivalent Fe3+ atoms. In the second Sb+0.83- site, Sb+0.83- is bonded in a 2-coordinate geometry to two equivalent Ni2+ atoms. In the third Sb+0.83- site, Sb+0.83- is bonded in a 2-coordinate geometry to one Fe3+ and one Ni2+ atom. In the fourth Sb+0.83- site, Sb+0.83- is bonded in a 2-coordinate geometry to one Fe3+ and one Ni2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on FeNiAg2F7 by Materials Project

FeNiAg2F7 crystallizes in the orthorhombic Imm2 space group. The structure is three-dimensional. Fe3+ is bonded to six F1- atoms to form FeF6 octahedra that share corners with two equivalent FeF6 octahedra, corners with four equivalent NiF6 octahedra, and edges with four equivalent AgF8 hexagonal bipyramids. The corner-sharing octahedra tilt angles range from 38–40°. There are a spread of Fe–F bond distances ranging from 1.94–2.01 Å. Ni2+ is bonded to six F1- atoms to form NiF6 octahedra that share corners with two equivalent AgF8 hexagonal bipyramids, corners with four equivalent FeF6 octahedra, and edges with two equivalent AgF8 hexagonal bipyramids. The corner-sharing octahedral tilt angles are 38°. There are a spread of Ni–F bond distances ranging from 2.02–2.05 Å. There are two inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded to eight F1- atoms to form distorted AgF8 hexagonal bipyramids that share corners with two equivalent AgF8 hexagonal bipyramids, corners with two equivalent NiF6 octahedra, edges with two equivalent NiF6 octahedra, and edges with four equivalent FeF6 octahedra. The corner-sharing octahedral tilt angles are 56°. There are a spread of Ag–F bond distances ranging from 2.31–2.93 Å. In the second Ag1+ site, Ag1+ is bonded in a distorted body-centered cubic geometry to eight F1- atoms. There are four shorter (2.50 Å) and four longer (2.89 Å) Ag–F bond lengths. There are six inequivalent F1- sites. In the first F1- site, F1- is bonded to one Ni2+ and three Ag1+ atoms to form a mixture of distorted corner and edge-sharing FNiAg3 tetrahedra. In the second F1- site, F1- is bonded in a 2-coordinate geometry to one Fe3+, one Ni2+, and two Ag1+ atoms. In the third F1- site, F1- is bonded in a 2-coordinate geometry to one Fe3+, one Ni2+, and two Ag1+ atoms. In the fourth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two equivalent Fe3+ and two equivalent Ag1+ atoms. In the fifth F1- site, F1- is bonded to one Ni2+ and three Ag1+ atoms to form a mixture of distorted corner and edge-sharing FNiAg3 tetrahedra. In the sixth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to two equivalent Fe3+ and two equivalent Ag1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on KFeSeS by Materials Project

KFeSeS crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded to four equivalent Se2- and four equivalent S2- atoms to form distorted KSe4S4 hexagonal bipyramids that share corners with four equivalent KSe4S4 hexagonal bipyramids, corners with six FeSe2S2 tetrahedra, edges with six KSe4S4 hexagonal bipyramids, edges with five FeSe2S2 tetrahedra, and faces with two equivalent KSe4S4 hexagonal bipyramids. There are two shorter (3.38 Å) and two longer (3.43 Å) K–Se bond lengths. There are two shorter (3.44 Å) and two longer (3.61 Å) K–S bond lengths. In the second K1+ site, K1+ is bonded to four equivalent Se2- and four equivalent S2- atoms to form distorted KSe4S4 hexagonal bipyramids that share corners with four equivalent KSe4S4 hexagonal bipyramids, corners with six FeSe2S2 tetrahedra, edges with six KSe4S4 hexagonal bipyramids, edges with five FeSe2S2 tetrahedra, and faces with two equivalent KSe4S4 hexagonal bipyramids. There are two shorter (3.49 Å) and two longer (3.53 Å) K–Se bond lengths. There are two shorter (3.46 Å) and two longer (3.51 Å) K–S bond lengths. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to two equivalent Se2- and two equivalent S2- atoms to form FeSe2S2 tetrahedra that share corners with six KSe4S4 hexagonal bipyramids, edges with five KSe4S4 hexagonal bipyramids, and edges with two equivalent FeSe2S2 tetrahedra. Both Fe–Se bond lengths are 2.33 Å. Both Fe–S bond lengths are 2.19 Å. In the second Fe3+ site, Fe3+ is bonded to two equivalent Se2- and two equivalent S2- atoms to form FeSe2S2 tetrahedra that share corners with six KSe4S4 hexagonal bipyramids, edges with five KSe4S4 hexagonal bipyramids, and edges with two equivalent FeSe2S2 tetrahedra. Both Fe–Se bond lengths are 2.34 Å. Both Fe–S bond lengths are 2.18 Å. Se2- is bonded in a 6-coordinate geometry to four K1+ and two Fe3+ atoms. S2- is bonded in a 2-coordinate geometry to four K1+ and two Fe3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba4CaFe4Cu2F28 by Materials Project

Ba4CaFe4Cu2F28 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 11-coordinate geometry to eleven F1- atoms. There are a spread of Ba–F bond distances ranging from 2.62–3.22 Å. In the second Ba2+ site, Ba2+ is bonded in a 12-coordinate geometry to ten F1- atoms. There are a spread of Ba–F bond distances ranging from 2.68–3.12 Å. In the third Ba2+ site, Ba2+ is bonded in a 12-coordinate geometry to ten F1- atoms. There are a spread of Ba–F bond distances ranging from 2.68–3.14 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 11-coordinate geometry to eleven F1- atoms. There are a spread of Ba–F bond distances ranging from 2.62–3.22 Å. Ca2+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Ca–F bond distances ranging from 2.35–2.58 Å. There are four inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Fe–F bond distances ranging from 1.87–2.17 Å. In the second Fe3+ site, Fe3+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Fe–F bond distances ranging from 1.93–2.03 Å. In the third Fe3+ site, Fe3+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Fe–F bond distances ranging from 1.92–2.03 Å. In the fourth Fe3+ site, Fe3+ is bonded in an octahedral geometry to six F1- atoms. There are a spread of Fe–F bond distances ranging from 1.87–2.17 Å. There are two inequivalent Cu3+ sites. In the first Cu3+ site, Cu3+ is bonded in a 6-coordinate geometry to six F1- atoms. There are a spread of Cu–F bond distances ranging from 1.77–2.52 Å. In the second Cu3+ site, Cu3+ is bonded in a 6-coordinate geometry to six F1- atoms. There are a spread of Cu–F bond distances ranging from 1.77–2.52 Å. There are twenty-eight inequivalent F1- sites. In the first F1- site, F1- is bonded in a 3-coordinate geometry to one Ba2+, one Ca2+, and one Fe3+ atom. In the second F1- site, F1- is bonded in a distorted single-bond geometry to two Ba2+, one Fe3+, and one Cu3+ atom. In the third F1- site, F1- is bonded in a 1-coordinate geometry to two Ba2+, one Fe3+, and one Cu3+ atom. In the fourth F1- site, F1- is bonded in a 1-coordinate geometry to two equivalent Ba2+ and one Fe3+ atom. In the fifth F1- site, F1- is bonded in a distorted single-bond geometry to one Ba2+ and one Cu3+ atom. In the sixth F1- site, F1- is bonded in a distorted single-bond geometry to one Ba2+ and one Cu3+ atom. In the seventh F1- site, F1- is bonded in a 1-coordinate geometry to two Ba2+, one Fe3+, and one Cu3+ atom. In the eighth F1- site, F1- is bonded in a 3-coordinate geometry to one Ba2+, one Ca2+, and one Fe3+ atom. In the ninth F1- site, F1- is bonded in a distorted trigonal non-coplanar geometry to two Ba2+ and one Fe3+ atom. In the tenth F1- site, F1- is bonded in a 1-coordinate geometry to two equivalent Ba2+ and one Fe3+ atom. In the eleventh F1- site, F1- is bonded in a distorted single-bond geometry to two Ba2+ and one Fe3+ atom. In the twelfth F1- site, F1- is bonded in a 1-coordinate geometry to two equivalent Ba2+ and one Fe3+ atom. In the thirteenth F1- site, F1- is bonded in a 2-coordinate geometry to one Ba2+, one Ca2+, and one Fe3+ atom. In the fourteenth F1- site, F1- is bonded in a 2-coordinate geometry to one Ba2+, one Ca2+, and one Fe3+ atom. In the fifteenth F1- site, F1- is bonded in a 3-coordinate geometry to one Ba2+, one Ca2+, and one Cu3+ atom. In the sixteenth F1- site, F1- is bonded in a 1-coordinate geometry to two Ba2+, one Ca2+, and one Fe3+ atom. In the seventeenth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Ba2+, one Fe3+, and one Cu3+ atom. In the eighteenth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Ba2+ and one Fe3+ atom. In the nineteenth F1- site, F1- is bonded in a 2-coordinate geometry to one Ba2+, one Fe3+, and one Cu3+ atom. In the twentieth F1- site, F1- is bonded in a 2-coordinate geometry to one Ba2+, one Fe3+, and one Cu3+ atom. In the twenty-first F1- site, F1- is bonded in a distorted single-bond geometry to two Ba2+, one Fe3+, and one Cu3+ atom. In the twenty-second F1- site, F1- is bonded in a distorted single-bond geometry to two Ba2+ and one Fe3+ atom. In the twenty-third F1- site, F1- is bonded in a 1-coordinate geometry to two Ba2+, one Ca2+, and one Fe3+ atom. In the twenty-fourth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Ba2+, one Fe3+, and one Cu3+ atom. In the twenty-fifth F1- site, F1- is bonded in a 3-coordinate geometry to one Ba2+, one Ca2+, and one Cu3+ atom. In the twenty-sixth F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one Ba2+ and one Fe3+ atom. In the twenty-seventh F1- site, F1- is bonded in a distorted trigonal non-coplanar geometry to two Ba2+ and one Fe3+ atom. In the twenty-eighth F1- site, F1- is bonded in a 1-coordinate geometry to two equivalent Ba2+ and one Fe3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on FeAgTe2 by Materials Project

FeAgTe2 crystallizes in the orthorhombic Pmn2_1 space group. The structure is three-dimensional. there are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded in a 4-coordinate geometry to two equivalent Ag1+ and four Te2- atoms. Both Fe–Ag bond lengths are 2.78 Å. There are a spread of Fe–Te bond distances ranging from 2.57–2.77 Å. In the second Fe3+ site, Fe3+ is bonded in a 6-coordinate geometry to six Te2- atoms. There are a spread of Fe–Te bond distances ranging from 2.54–3.04 Å. There are two inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded to six Te2- atoms to form a mixture of distorted corner and edge-sharing AgTe6 octahedra. The corner-sharing octahedral tilt angles are 63°. There are a spread of Ag–Te bond distances ranging from 2.85–3.08 Å. In the second Ag1+ site, Ag1+ is bonded in a 3-coordinate geometry to two equivalent Fe3+ and three equivalent Te2- atoms. There are one shorter (2.70 Å) and two longer (2.76 Å) Ag–Te bond lengths. There are four inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 4-coordinate geometry to three Fe3+ and one Ag1+ atom. In the second Te2- site, Te2- is bonded in a 2-coordinate geometry to three Fe3+ and two equivalent Ag1+ atoms. In the third Te2- site, Te2- is bonded in a 5-coordinate geometry to two Fe3+ and three equivalent Ag1+ atoms. In the fourth Te2- site, Te2- is bonded in a 5-coordinate geometry to two equivalent Fe3+ and three equivalent Ag1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on LiFePO4F by Materials Project

LiFePO4F crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.99–2.22 Å. In the second Li1+ site, Li1+ is bonded in a 4-coordinate geometry to two O2- and two F1- atoms. There are one shorter (2.10 Å) and one longer (2.54 Å) Li–O bond lengths. There are one shorter (2.04 Å) and one longer (2.06 Å) Li–F bond lengths. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to four O2- and two F1- atoms to form FeO4F2 octahedra that share corners with two equivalent FeO4F2 octahedra and corners with four PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 59–60°. There are a spread of Fe–O bond distances ranging from 1.93–2.01 Å. There are one shorter (2.07 Å) and one longer (2.10 Å) Fe–F bond lengths. In the second Fe3+ site, Fe3+ is bonded to four O2- and two F1- atoms to form FeO4F2 octahedra that share corners with two equivalent FeO4F2 octahedra and corners with four PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 59–60°. There are a spread of Fe–O bond distances ranging from 1.97–2.05 Å. There are one shorter (2.02 Å) and one longer (2.03 Å) Fe–F bond lengths. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four FeO4F2 octahedra. The corner-sharing octahedra tilt angles range from 42–52°. There is two shorter (1.54 Å) and two longer (1.57 Å) P–O bond length. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four FeO4F2 octahedra. The corner-sharing octahedra tilt angles range from 33–56°. There are a spread of P–O bond distances ranging from 1.52–1.58 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+, one Fe3+, and one P5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Fe3+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted tetrahedral geometry to two Li1+, one Fe3+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Fe3+, and one P5+ atom. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted trigonal non-coplanar geometry to one Li1+ and two Fe3+ atoms. In the second F1- site, F1- is bonded in a distorted trigonal planar geometry to one Li1+ and two Fe3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on NaMn2FeAg(PO4)3 by Materials Project

NaMn2FeAg(PO4)3 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.34–2.64 Å. There are three inequivalent Mn2+ sites. In the first Mn2+ site, Mn2+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with six PO4 tetrahedra, an edgeedge with one AgO8 hexagonal bipyramid, an edgeedge with one MnO6 octahedra, and an edgeedge with one FeO6 octahedra. There are a spread of Mn–O bond distances ranging from 2.08–2.31 Å. In the second Mn2+ site, Mn2+ is bonded to six O2- atoms to form distorted MnO6 octahedra that share corners with six PO4 tetrahedra, an edgeedge with one AgO8 hexagonal bipyramid, and edges with two equivalent MnO6 octahedra. There are two shorter (2.22 Å) and four longer (2.26 Å) Mn–O bond lengths. In the third Mn2+ site, Mn2+ is bonded to six O2- atoms to form distorted MnO6 octahedra that share corners with two equivalent AgO8 hexagonal bipyramids, corners with six PO4 tetrahedra, and edges with two equivalent FeO6 octahedra. There are a spread of Mn–O bond distances ranging from 2.21–2.32 Å. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six PO4 tetrahedra, an edgeedge with one AgO8 hexagonal bipyramid, and edges with two MnO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.98–2.16 Å. There are two inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded to eight O2- atoms to form distorted AgO8 hexagonal bipyramids that share corners with two equivalent MnO6 octahedra, corners with two equivalent PO4 tetrahedra, edges with two equivalent FeO6 octahedra, edges with three MnO6 octahedra, and edges with three PO4 tetrahedra. The corner-sharing octahedral tilt angles are 53°. There are a spread of Ag–O bond distances ranging from 2.61–2.91 Å. In the second Ag1+ site, Ag1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ag–O bond distances ranging from 2.40–3.05 Å. There are four inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one AgO8 hexagonal bipyramid, corners with two equivalent FeO6 octahedra, and corners with four MnO6 octahedra. The corner-sharing octahedra tilt angles range from 36–62°. There are a spread of P–O bond distances ranging from 1.54–1.58 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent FeO6 octahedra, corners with four MnO6 octahedra, and an edgeedge with one AgO8 hexagonal bipyramid. The corner-sharing octahedra tilt angles range from 50–66°. There is two shorter (1.53 Å) and two longer (1.59 Å) P–O bond length. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent FeO6 octahedra, corners with four MnO6 octahedra, and an edgeedge with one AgO8 hexagonal bipyramid. The corner-sharing octahedra tilt angles range from 37–61°. There are a spread of P–O bond distances ranging from 1.54–1.58 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent FeO6 octahedra and corners with four MnO6 octahedra. The corner-sharing octahedra tilt angles range from 50–58°. There is two shorter (1.55 Å) and two longer (1.56 Å) P–O bond length. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two Mn2+, one Ag1+, and one P5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Mn2+, one Fe3+, and one P5+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Mn2+, one Fe3+, one Ag1+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Na1+, one Mn2+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to one Mn2+, two Ag1+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Na1+, one Mn2+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one Mn2+, one Fe3+, one Ag1+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Mn2+, one Fe3+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to two Mn2+, one Ag1+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Fe3+, and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to one Fe3+, two Ag1+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Na1+, one Mn2+, and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Fe2CO5 by Materials Project

Fe2O2CO3 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing FeO6 octahedra. The corner-sharing octahedra tilt angles range from 59–60°. There are a spread of Fe–O bond distances ranging from 1.84–2.12 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing FeO6 octahedra. The corner-sharing octahedra tilt angles range from 59–60°. There are a spread of Fe–O bond distances ranging from 1.93–2.09 Å. C4+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.23–1.36 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Fe3+ and one C4+ atom. In the second O2- site, O2- is bonded in a rectangular see-saw-like geometry to three Fe3+ and one C4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Fe3+ and one C4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Fe3+ atoms. In the fifth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three Fe3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on FePNO4F by Materials Project

(FePO4F)2N2 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional and consists of eight ammonia molecules and one FePO4F framework. In the FePO4F framework, there are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to four O2- and two F1- atoms to form FeO4F2 octahedra that share corners with two equivalent FeO4F2 octahedra and corners with four PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–49°. There are a spread of Fe–O bond distances ranging from 1.97–2.00 Å. There are one shorter (1.99 Å) and one longer (2.01 Å) Fe–F bond lengths. In the second Fe3+ site, Fe3+ is bonded to four O2- and two F1- atoms to form FeO4F2 octahedra that share corners with two equivalent FeO4F2 octahedra and corners with four PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–49°. There are a spread of Fe–O bond distances ranging from 1.98–2.04 Å. Both Fe–F bond lengths are 1.97 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four FeO4F2 octahedra. The corner-sharing octahedra tilt angles range from 40–46°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four FeO4F2 octahedra. The corner-sharing octahedra tilt angles range from 44–46°. There is one shorter (1.54 Å) and three longer (1.55 Å) P–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+ and one P5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Fe3+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe3+ and one P5+ atom. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted bent 120 degrees geometry to two Fe3+ atoms. In the second F1- site, F1- is bonded in a distorted bent 120 degrees geometry to two Fe3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on FePO4 by Materials Project

FePO4 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are six inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form distorted FeO6 octahedra that share corners with two FeO6 octahedra, corners with six PO4 tetrahedra, and a cornercorner with one FeO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 60–67°. There are a spread of Fe–O bond distances ranging from 1.94–2.52 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six PO4 tetrahedra and an edgeedge with one FeO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.92–2.22 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six PO4 tetrahedra, an edgeedge with one FeO6 octahedra, and an edgeedge with one FeO5 trigonal bipyramid. There are a spread of Fe–O bond distances ranging from 1.90–2.21 Å. In the fourth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with six PO4 tetrahedra, an edgeedge with one FeO6 octahedra, and an edgeedge with one FeO5 trigonal bipyramid. The corner-sharing octahedral tilt angles are 60°. There are a spread of Fe–O bond distances ranging from 1.86–2.19 Å. In the fifth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with six PO4 tetrahedra, and an edgeedge with one FeO6 octahedra. The corner-sharing octahedral tilt angles are 67°. There are a spread of Fe–O bond distances ranging from 1.92–2.28 Å. In the sixth Fe3+ site, Fe3+ is bonded to five O2- atoms to form FeO5 trigonal bipyramids that share a cornercorner with one FeO6 octahedra, corners with five PO4 tetrahedra, and edges with two FeO6 octahedra. The corner-sharing octahedral tilt angles are 61°. There are a spread of Fe–O bond distances ranging from 1.94–2.09 Å. There are six inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four FeO6 octahedra and a cornercorner with one FeO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 20–63°. There are a spread of P–O bond distances ranging from 1.51–1.61 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four FeO6 octahedra and a cornercorner with one FeO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 34–58°. There are a spread of P–O bond distances ranging from 1.53–1.60 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with five FeO6 octahedra and corners with two equivalent FeO5 trigonal bipyramids. The corner-sharing octahedra tilt angles range from 36–58°. There are a spread of P–O bond distances ranging from 1.50–1.59 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with five FeO6 octahedra. The corner-sharing octahedra tilt angles range from 38–61°. There is three shorter (1.53 Å) and one longer (1.61 Å) P–O bond length. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with six FeO6 octahedra and a cornercorner with one FeO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 16–59°. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with six FeO6 octahedra. The corner-sharing octahedra tilt angles range from 30–56°. There are a spread of P–O bond distances ranging from 1.53–1.57 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Fe3+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Fe3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to two Fe3+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to two Fe3+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Fe3+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Fe3+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Fe3+ and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a distorted linear geometry to one Fe3+ and one P5+ atom. In the sixteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the seventeenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Fe3+ and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Fe3+ and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Fe3+ and one P5+ atom. In the twentieth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Fe3+ and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ba2CaFe2CoF14 by Materials Project

Ba2CaFe2CoF14 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Ba2+ is bonded in a 12-coordinate geometry to twelve F1- atoms. There are a spread of Ba–F bond distances ranging from 2.69–3.27 Å. Ca2+ is bonded in a 8-coordinate geometry to eight F1- atoms. There are a spread of Ca–F bond distances ranging from 2.27–2.61 Å. Fe3+ is bonded to six F1- atoms to form FeF6 octahedra that share corners with two equivalent CoF6 octahedra. The corner-sharing octahedra tilt angles range from 49–55°. There are a spread of Fe–F bond distances ranging from 1.93–2.00 Å. Co2+ is bonded to six F1- atoms to form CoF6 octahedra that share corners with four equivalent FeF6 octahedra. The corner-sharing octahedra tilt angles range from 49–55°. There are a spread of Co–F bond distances ranging from 1.99–2.20 Å. There are seven inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted single-bond geometry to three equivalent Ba2+ and one Fe3+ atom. In the second F1- site, F1- is bonded in a 3-coordinate geometry to one Ba2+, one Ca2+, and one Co2+ atom. In the third F1- site, F1- is bonded in a 3-coordinate geometry to one Ba2+, one Ca2+, and one Fe3+ atom. In the fourth F1- site, F1- is bonded in a 1-coordinate geometry to two equivalent Ba2+, one Ca2+, and one Fe3+ atom. In the fifth F1- site, F1- is bonded in a 2-coordinate geometry to two equivalent Ba2+, one Fe3+, and one Co2+ atom. In the sixth F1- site, F1- is bonded in a distorted bent 120 degrees geometry to two equivalent Ba2+, one Ca2+, and one Fe3+ atom. In the seventh F1- site, F1- is bonded in a 2-coordinate geometry to one Ba2+, one Fe3+, and one Co2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ca10V5Fe15(BiO24)2 by Materials Project

(CaO2)2Ca8V5Fe15(BiO22)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional and consists of two calcium hydrate molecules and one Ca8V5Fe15(BiO22)2 framework. In the Ca8V5Fe15(BiO22)2 framework, there are four inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a bent 150 degrees geometry to two O2- atoms. There is one shorter (1.39 Å) and one longer (1.48 Å) Ca–O bond length. In the second Ca2+ site, Ca2+ is bonded in a 6-coordinate geometry to one V5+, one Bi3+, and four O2- atoms. The Ca–V bond length is 2.21 Å. The Ca–Bi bond length is 2.20 Å. There are a spread of Ca–O bond distances ranging from 2.19–2.68 Å. In the third Ca2+ site, Ca2+ is bonded in a 2-coordinate geometry to one V5+, one Fe3+, and four O2- atoms. The Ca–V bond length is 2.23 Å. The Ca–Fe bond length is 2.21 Å. There are a spread of Ca–O bond distances ranging from 2.01–2.43 Å. In the fourth Ca2+ site, Ca2+ is bonded in a 2-coordinate geometry to one V5+ and four O2- atoms. The Ca–V bond length is 2.24 Å. There are a spread of Ca–O bond distances ranging from 1.81–2.48 Å. There are five inequivalent V5+ sites. In the first V5+ site, V5+ is bonded in a linear geometry to two equivalent O2- atoms. Both V–O bond lengths are 1.10 Å. In the second V5+ site, V5+ is bonded in a distorted octahedral geometry to two equivalent Ca2+ and four O2- atoms. There are two shorter (2.04 Å) and two longer (2.42 Å) V–O bond lengths. In the third V5+ site, V5+ is bonded in a 6-coordinate geometry to two equivalent Bi3+ and four O2- atoms. Both V–Bi bond lengths are 2.31 Å. There are two shorter (2.04 Å) and two longer (2.42 Å) V–O bond lengths. In the fourth V5+ site, V5+ is bonded in a 2-coordinate geometry to two equivalent Ca2+ and four O2- atoms. There is two shorter (1.71 Å) and two longer (2.01 Å) V–O bond length. In the fifth V5+ site, V5+ is bonded in a 2-coordinate geometry to two equivalent Ca2+ and four O2- atoms. There is two shorter (1.69 Å) and two longer (2.01 Å) V–O bond length. There are nine inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded in a distorted L-shaped geometry to three O2- atoms. There are a spread of Fe–O bond distances ranging from 1.49–2.36 Å. In the second Fe3+ site, Fe3+ is bonded in a 2-coordinate geometry to two O2- atoms. There is one shorter (1.53 Å) and one longer (1.64 Å) Fe–O bond length. In the third Fe3+ site, Fe3+ is bonded in a 2-coordinate geometry to two O2- atoms. There is one shorter (1.52 Å) and one longer (1.67 Å) Fe–O bond length. In the fourth Fe3+ site, Fe3+ is bonded in a 1-coordinate geometry to one Ca2+ and three O2- atoms. There are a spread of Fe–O bond distances ranging from 1.54–2.13 Å. In the fifth Fe3+ site, Fe3+ is bonded in a distorted L-shaped geometry to three O2- atoms. There are a spread of Fe–O bond distances ranging from 1.47–2.35 Å. In the sixth Fe3+ site, Fe3+ is bonded in a linear geometry to two equivalent O2- atoms. Both Fe–O bond lengths are 2.30 Å. In the seventh Fe3+ site, Fe3+ is bonded in a 1-coordinate geometry to two O2- atoms. There is one shorter (1.54 Å) and one longer (1.88 Å) Fe–O bond length. In the eighth Fe3+ site, Fe3+ is bonded in a linear geometry to two equivalent O2- atoms. Both Fe–O bond lengths are 1.17 Å. In the ninth Fe3+ site, Fe3+ is bonded in a linear geometry to two equivalent O2- atoms. Both Fe–O bond lengths are 2.29 Å. Bi3+ is bonded in a 6-coordinate geometry to one Ca2+, one V5+, and four O2- atoms. There are a spread of Bi–O bond distances ranging from 2.21–2.70 Å. There are twenty-two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two Ca2+ atoms. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one V5+, one Fe3+, and one Bi3+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to one Fe3+, one Bi3+, and two O2- atoms. Both O–O bond lengths are 1.85 Å. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Ca2+, one V5+, and one O2- atom. The O–O bond length is 1.87 Å. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Ca2+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+, one Fe3+, and two O2- atoms. The O–O bond length is 1.85 Å. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Ca2+, one V5+, and one Fe3+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one Fe3+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to one Ca2+ and one Fe3+ atom. In the tenth O2- site, O2- is bonded in a distorted water-like geometry to two Fe3+ atoms. In the eleventh O2- site, O2- is bonded in a single-bond geometry to one Fe3+ atom. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to one Ca2+, one V5+, one Fe3+, and one O2- atom. The O–O bond length is 1.61 Å. In the thirteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one V5+ and one Fe3+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Ca2+, one V5+, and one O2- atom. In the fifteenth O2- site, O2- is bonded in a distorted single-bond geometry to two Fe3+ and one O2- atom. In the sixteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Ca2+, one V5+, one Fe3+, and one O2- atom. The O–O bond length is 1.64 Å. In the seventeenth O2- site, O2- is bonded in a distorted single-bond geometry to two Fe3+ and one O2- atom. In the eighteenth O2- site, O2- is bonded in a 1-coordinate geometry to one Fe3+ and one Bi3+ atom. In the nineteenth O2- site, O2- is bonded in a single-bond geometry to one Ca2+ and one Bi3+ atom. In the twentieth O2- site, O2- is bonded in a 2-coordinate geometry to one Ca2+, one V5+, and one O2- atom. In the twenty-first O2- site, O2- is bonded in a 2-coordinate geometry to one Ca2+ and one Fe3+ atom. In the twenty-second O2- site, O2- is bonded in a 2-coordinate geometry to one Ca2+, one V5+, and one O2- atom.

36 MATERIALS SCIENCE↗

Materials Data on LiFe5(P2O7)4 by Materials Project

LiFe5(P2O7)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 1.95–2.61 Å. In the second Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 2.11–2.65 Å. There are five 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 and corners with six PO4 tetrahedra. The corner-sharing octahedral tilt angles are 62°. There are a spread of Fe–O bond distances ranging from 1.98–2.38 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form distorted FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with four PO4 tetrahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedral tilt angles are 62°. There are a spread of Fe–O bond distances ranging from 1.91–2.49 Å. In the third Fe3+ site, Fe3+ is bonded to six O2- atoms to form distorted FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with four PO4 tetrahedra, an edgeedge with one FeO6 octahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedral tilt angles are 62°. There are a spread of Fe–O bond distances ranging from 1.87–2.43 Å. In the fourth Fe3+ site, Fe3+ is bonded to six O2- atoms to form distorted FeO6 octahedra that share corners with six PO4 tetrahedra and edges with two FeO6 octahedra. There are a spread of Fe–O bond distances ranging from 1.90–2.45 Å. In the fifth Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share a cornercorner with one FeO6 octahedra, corners with six PO4 tetrahedra, and an edgeedge with one FeO6 octahedra. The corner-sharing octahedral tilt angles are 62°. There are a spread of Fe–O bond distances ranging from 1.97–2.28 Å. There are eight inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three FeO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 30–44°. There are a spread of P–O bond distances ranging from 1.51–1.62 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three FeO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 40–53°. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four FeO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 23–57°. There are a spread of P–O bond distances ranging from 1.53–1.61 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three FeO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 30–48°. There are a spread of P–O bond distances ranging from 1.52–1.61 Å. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three FeO6 octahedra, a cornercorner with one PO4 tetrahedra, and an edgeedge with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 41–58°. There are a spread of P–O bond distances ranging from 1.51–1.60 Å. In the sixth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three FeO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 40–53°. There are a spread of P–O bond distances ranging from 1.51–1.62 Å. In the seventh P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three FeO6 octahedra, a cornercorner with one PO4 tetrahedra, and an edgeedge with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 48–57°. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. In the eighth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four FeO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 30–59°. There are a spread of P–O bond distances ranging from 1.50–1.62 Å. There are twenty-eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two Fe3+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to two Fe3+ and one P5+ atom. In the thirteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a water-like geometry to one Fe3+ and one P5+ atom. In the fifteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the sixteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the seventeenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Fe3+ and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+ and one P5+ atom. In the twentieth O2- site, O2- is bonded in a 3-coordinate geometry to two Fe3+ and one P5+ atom. In the twenty-first O2- site, O2- is bonded in a 3-coordinate geometry to two Fe3+ and one P5+ atom. In the twenty-second O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the twenty-third O2- site, O2- is bonded in a bent 120 degrees geometry to one Fe3+ and one P5+ atom. In the twenty-fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the twenty-fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the twenty-sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the twenty-seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one P5+ atom. In the twenty-eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Fe3+ and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K2Fe2As2O9 by Materials Project

K2Fe2As2O9 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded to seven O2- atoms to form distorted KO7 pentagonal bipyramids that share corners with three FeO6 octahedra, corners with four equivalent KO7 pentagonal bipyramids, corners with six AsO4 tetrahedra, and an edgeedge with one FeO6 octahedra. The corner-sharing octahedra tilt angles range from 59–74°. There are a spread of K–O bond distances ranging from 2.82–3.20 Å. In the second K1+ site, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.56–3.03 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to six O2- atoms to form distorted FeO6 octahedra that share a cornercorner with one KO7 pentagonal bipyramid, corners with five AsO4 tetrahedra, edges with two equivalent FeO6 octahedra, and an edgeedge with one KO7 pentagonal bipyramid. There are a spread of Fe–O bond distances ranging from 1.95–2.26 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with two equivalent KO7 pentagonal bipyramids, corners with four AsO4 tetrahedra, and edges with four FeO6 octahedra. There are two shorter (1.96 Å) and four longer (2.06 Å) Fe–O bond lengths. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with five FeO6 octahedra and corners with two equivalent KO7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 44–58°. There are a spread of As–O bond distances ranging from 1.69–1.75 Å. In the second As5+ site, As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four FeO6 octahedra and corners with four equivalent KO7 pentagonal bipyramids. The corner-sharing octahedra tilt angles range from 51–52°. There are a spread of As–O bond distances ranging from 1.67–1.77 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to four K1+ and one As5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Fe3+ and one As5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one Fe3+, and one As5+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to one K1+, two Fe3+, and one As5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to three K1+ and one As5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Fe3+, and one As5+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one K1+ and three Fe3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Li3Fe2(PO4)3 by Materials Project

Li3Fe2(PO4)3 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 in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 2.01–2.58 Å. In the second Li1+ site, Li1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Li–O bond distances ranging from 2.08–2.83 Å. In the third Li1+ site, Li1+ is bonded in a 3-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 2.02–2.47 Å. 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 PO4 tetrahedra. There are a spread of Fe–O bond distances ranging from 1.96–2.11 Å. In the second Fe3+ site, Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Fe–O bond distances ranging from 1.93–2.08 Å. There are three inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four FeO6 octahedra. The corner-sharing octahedra tilt angles range from 25–48°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four FeO6 octahedra. The corner-sharing octahedra tilt angles range from 25–48°. There are a spread of P–O bond distances ranging from 1.54–1.57 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four FeO6 octahedra. The corner-sharing octahedra tilt angles range from 22–48°. There are a spread of P–O bond distances ranging from 1.53–1.56 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal pyramidal geometry to two Li1+, one Fe3+, and one P5+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Li1+, one Fe3+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Fe3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Fe3+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Fe3+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one Fe3+, and one P5+ atom. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Fe3+, and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on KFe2H(SeO3)4 by Materials Project

KFe2H(SeO3)4 crystallizes in the monoclinic P2 space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.77–3.03 Å. In the second K1+ site, K1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of K–O bond distances ranging from 2.73–2.98 Å. There are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Fe–O bond distances ranging from 1.96–2.18 Å. In the second Fe3+ site, Fe3+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Fe–O bond distances ranging from 1.99–2.11 Å. H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.03 Å) and one longer (1.60 Å) H–O bond length. There are four inequivalent Se4+ sites. In the first Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is one shorter (1.73 Å) and two longer (1.74 Å) Se–O bond length. In the second Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.72–1.77 Å. In the third Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.72–1.74 Å. In the fourth Se4+ site, Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.70–1.86 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one K1+, one Fe3+, and one Se4+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Fe3+, and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one Fe3+, and one Se4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Fe3+, and one Se4+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Fe3+, and one Se4+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Fe3+, one H1+, and one Se4+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one Se4+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one K1+, one Fe3+, and one Se4+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Fe3+ and one Se4+ atom. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Fe3+ and one Se4+ atom. In the eleventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Fe3+, and one Se4+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one Fe3+, one H1+, and one Se4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on FeSb6Pd by Materials Project

FePdSb6 is Skutterudite-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Fe3+ is bonded to six Sb+0.83- atoms to form FeSb6 octahedra that share corners with two equivalent FeSb6 octahedra and corners with four equivalent PdSb6 octahedra. The corner-sharing octahedra tilt angles range from 51–54°. There are a spread of Fe–Sb bond distances ranging from 2.53–2.57 Å. Pd2+ is bonded to six Sb+0.83- atoms to form PdSb6 octahedra that share corners with two equivalent PdSb6 octahedra and corners with four equivalent FeSb6 octahedra. The corner-sharing octahedra tilt angles range from 54–59°. There are a spread of Pd–Sb bond distances ranging from 2.66–2.71 Å. There are four inequivalent Sb+0.83- sites. In the first Sb+0.83- site, Sb+0.83- is bonded in a 2-coordinate geometry to two equivalent Fe3+ and two equivalent Sb+0.83- atoms. There are one shorter (2.92 Å) and one longer (3.03 Å) Sb–Sb bond lengths. In the second Sb+0.83- site, Sb+0.83- is bonded in a 2-coordinate geometry to two equivalent Pd2+ and two equivalent Sb+0.83- atoms. In the third Sb+0.83- site, Sb+0.83- is bonded in a 2-coordinate geometry to one Fe3+ and one Pd2+ atom. In the fourth Sb+0.83- site, Sb+0.83- is bonded in a 2-coordinate geometry to one Fe3+ and one Pd2+ atom.

36 MATERIALS SCIENCE↗