SEARCH · Search NASA
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
RhTe2 is pyrite-like structured and crystallizes in the cubic Pa-3 space group. The structure is three-dimensional. Rh4+ is bonded to six equivalent Te2- atoms to form corner-sharing RhTe6 octahedra. The corner-sharing octahedral tilt angles are 62°. All Rh–Te bond lengths are 2.70 Å. Te2- is bonded in a 3-coordinate geometry to three equivalent Rh4+ atoms.
Na5GdO4 is pyrite-derived structured and crystallizes in the orthorhombic Pmn2_1 space group. The structure is three-dimensional. there are three inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Na–O bond distances ranging from 2.28–2.41 Å. In the second 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 2.31–2.82 Å. In the third Na1+ site, Na1+ is bonded to four O2- atoms to form distorted NaO4 tetrahedra that share corners with four equivalent GdO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.40–2.49 Å. Gd3+ is bonded to four O2- atoms to form GdO4 tetrahedra that share corners with four equivalent NaO4 tetrahedra. There are a spread of Gd–O bond distances ranging from 2.16–2.20 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to five Na1+ and one Gd3+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Na1+ and one Gd3+ atom. In the third O2- site, O2- is bonded to five Na1+ and one Gd3+ atom to form corner-sharing ONa5Gd octahedra. The corner-sharing octahedra tilt angles range from 42–51°.
Li4ZrNb(TeO6)2 is pyrite-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 in a 3-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 1.99–2.48 Å. In the second Li1+ site, Li1+ is bonded in a 3-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 1.97–2.55 Å. In the third 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 2.00–2.47 Å. In the fourth Li1+ site, Li1+ is bonded in a 3-coordinate geometry to six O2- atoms. There are a spread of Li–O bond distances ranging from 1.99–2.51 Å. Zr3+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with six TeO6 octahedra. The corner-sharing octahedra tilt angles range from 39–40°. There are a spread of Zr–O bond distances ranging from 2.06–2.16 Å. Nb5+ is bonded to six O2- atoms to form NbO6 octahedra that share corners with six TeO6 octahedra. The corner-sharing octahedra tilt angles range from 39–40°. There are a spread of Nb–O bond distances ranging from 1.97–2.12 Å. There are two inequivalent Te6+ sites. In the first Te6+ site, Te6+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with two equivalent NbO6 octahedra and corners with four equivalent ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 39–40°. There are a spread of Te–O bond distances ranging from 1.92–2.02 Å. In the second Te6+ site, Te6+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with two equivalent ZrO6 octahedra and corners with four equivalent NbO6 octahedra. The corner-sharing octahedra tilt angles range from 39–40°. There are a spread of Te–O bond distances ranging from 1.99–2.12 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Nb5+, and one Te6+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Nb5+, and one Te6+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Nb5+, and one Te6+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Zr3+, and one Te6+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Zr3+, and one Te6+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Zr3+, and one Te6+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Zr3+, and one Te6+ atom. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Zr3+, and one Te6+ atom. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Zr3+, and one Te6+ atom. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Nb5+, and one Te6+ atom. In the eleventh O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Nb5+, and one Te6+ atom. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Nb5+, and one Te6+ atom.
Li3Cu(TeO3)4 is pyrite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are three 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 1.99–2.49 Å. In the second Li1+ site, Li1+ is bonded to six O2- atoms to form distorted LiO6 octahedra that share corners with three TeO6 octahedra, edges with three TeO6 octahedra, and a faceface with one TeO6 octahedra. The corner-sharing octahedra tilt angles range from 60–63°. There are a spread of Li–O bond distances ranging from 2.00–2.30 Å. In the third Li1+ site, Li1+ is bonded to six O2- atoms to form distorted LiO6 octahedra that share corners with three TeO6 octahedra, edges with three TeO6 octahedra, and a faceface with one TeO6 octahedra. The corner-sharing octahedra tilt angles range from 64–66°. There are a spread of Li–O bond distances ranging from 2.05–2.35 Å. Cu1+ is bonded in a distorted trigonal planar geometry to three O2- atoms. There are a spread of Cu–O bond distances ranging from 1.97–1.99 Å. There are four inequivalent Te5+ sites. In the first Te5+ site, Te5+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with three LiO6 octahedra, corners with six TeO6 octahedra, and a faceface with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 42–66°. There are a spread of Te–O bond distances ranging from 2.07–2.33 Å. In the second Te5+ site, Te5+ is bonded to six O2- atoms to form distorted TeO6 octahedra that share corners with three LiO6 octahedra, corners with six TeO6 octahedra, and a faceface with one LiO6 octahedra. The corner-sharing octahedra tilt angles range from 41–64°. There are a spread of Te–O bond distances ranging from 2.02–2.43 Å. In the third Te5+ site, Te5+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with six TeO6 octahedra and edges with three LiO6 octahedra. The corner-sharing octahedra tilt angles range from 41–46°. There are a spread of Te–O bond distances ranging from 1.94–2.02 Å. In the fourth Te5+ site, Te5+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with six TeO6 octahedra and edges with three LiO6 octahedra. The corner-sharing octahedra tilt angles range from 41–45°. There are a spread of Te–O bond distances ranging from 1.92–2.05 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two Te5+ atoms. In the second O2- site, O2- is bonded to two Li1+ and two Te5+ atoms to form distorted corner-sharing OLi2Te2 trigonal pyramids. In the third O2- site, O2- is bonded in a distorted see-saw-like geometry to two Li1+ and two Te5+ atoms. In the fourth O2- site, O2- is bonded to one Li1+, one Cu1+, and two Te5+ atoms to form distorted corner-sharing OLiCuTe2 tetrahedra. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two Te5+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two Te5+ atoms. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to one Li1+, one Cu1+, and two Te5+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to one Li1+, one Cu1+, and two Te5+ atoms. In the ninth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Li1+ and two Te5+ atoms. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two Te5+ atoms. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two Te5+ atoms. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two Te5+ atoms.
Li3Ta5Cu2O15 is pyrite-derived structured and crystallizes in the trigonal R3 space group. The structure is three-dimensional. there are six inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.09 Å) and three longer (2.35 Å) Li–O bond lengths. In the second Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.06 Å) and three longer (2.32 Å) Li–O bond lengths. In the third Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.08 Å) and three longer (2.38 Å) Li–O bond lengths. In the fourth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.06 Å) and three longer (2.32 Å) Li–O bond lengths. In the fifth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.05 Å) and three longer (2.35 Å) Li–O bond lengths. In the sixth Li1+ site, Li1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.06 Å) and three longer (2.32 Å) Li–O bond lengths. There are ten inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 35–38°. There are three shorter (1.96 Å) and three longer (2.07 Å) Ta–O bond lengths. In the second Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 35–38°. There are three shorter (1.96 Å) and three longer (2.07 Å) Ta–O bond lengths. In the third Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 36–38°. There are three shorter (1.94 Å) and three longer (2.10 Å) Ta–O bond lengths. In the fourth Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 35–38°. There are three shorter (1.93 Å) and three longer (2.10 Å) Ta–O bond lengths. In the fifth Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 36–37°. There are three shorter (1.95 Å) and three longer (2.06 Å) Ta–O bond lengths. In the sixth Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 36–38°. There are three shorter (1.94 Å) and three longer (2.07 Å) Ta–O bond lengths. In the seventh Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 35–38°. There are three shorter (1.94 Å) and three longer (2.10 Å) Ta–O bond lengths. In the eighth Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 35–38°. There are three shorter (1.93 Å) and three longer (2.10 Å) Ta–O bond lengths. In the ninth Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 36–37°. There are three shorter (1.96 Å) and three longer (2.07 Å) Ta–O bond lengths. In the tenth Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedra tilt angles range from 35–38°. There are three shorter (1.95 Å) and three longer (2.07 Å) Ta–O bond lengths. There are four inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three equivalent O2- atoms. All Cu–O bond lengths are 2.03 Å. In the second Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three equivalent O2- atoms. All Cu–O bond lengths are 2.03 Å. In the third Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three equivalent O2- atoms. All Cu–O bond lengths are 2.03 Å. In the fourth Cu1+ site, Cu1+ is bonded in a distorted trigonal planar geometry to three equivalent O2- atoms. All Cu–O bond lengths are 2.03 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted see-saw-like geometry to two Li1+ and two Ta5+ atoms. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two Ta5+ atoms. In the third O2- site, O2- is bonded to one Li1+, two Ta5+, and one Cu1+ atom to form a mixture of distorted edge and corner-sharing OLiTa2Cu tetrahedra. In the fourth O2- site, O2- is bonded to one Li1+, two Ta5+, and one Cu1+ atom to form a mixture of distorted edge and corner-sharing OLiTa2Cu tetrahedra. In the fifth O2- site, O2- is bonded to one Li1+, two Ta5+, and one Cu1+ atom to form a mixture of distorted edge and corner-sharing OLiTa2Cu tetrahedra. In the sixth O2- site, O2- is bonded to one Li1+, two Ta5+, and one Cu1+ atom to form a mixture of distorted edge and corner-sharing OLiTa2Cu tetrahedra. In the seventh O2- site, O2- is bonded in a distorted see-saw-like geometry to two Li1+ and two Ta5+ atoms. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two Ta5+ atoms. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two Ta5+ atoms. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+ and two Ta5+ atoms.
Li3FeF6 is pyrite-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four F1- atoms. There are three shorter (1.99 Å) and one longer (2.09 Å) Li–F bond lengths. In the second Li1+ site, Li1+ is bonded to six F1- atoms to form LiF6 octahedra that share corners with six equivalent FeF6 octahedra. The corner-sharing octahedra tilt angles range from 42–50°. There are a spread of Li–F bond distances ranging from 1.98–2.21 Å. Fe3+ is bonded to six F1- atoms to form FeF6 octahedra that share corners with six equivalent LiF6 octahedra. The corner-sharing octahedra tilt angles range from 42–50°. There is four shorter (1.95 Å) and two longer (1.98 Å) Fe–F bond length. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded to three Li1+ and one Fe3+ atom to form distorted corner-sharing FLi3Fe tetrahedra. In the second F1- site, F1- is bonded in a 3-coordinate geometry to two Li1+ and one Fe3+ atom. In the third F1- site, F1- is bonded in a 3-coordinate geometry to two Li1+ and one Fe3+ atom.
ZnO2 is Pyrite-like structured and crystallizes in the cubic Pa-3 space group. The structure is three-dimensional. Zn is bonded to six equivalent O atoms to form ZnO6 octahedra that share corners with twelve equivalent ZnO6 octahedra and corners with six equivalent OZn3O tetrahedra. The corner-sharing octahedral tilt angles are 70°. All Zn–O bond lengths are 2.14 Å. O is bonded to three equivalent Zn and one O atom to form OZn3O tetrahedra that share corners with three equivalent ZnO6 octahedra and corners with fifteen equivalent OZn3O tetrahedra. The corner-sharing octahedral tilt angles are 71°. The O–O bond length is 1.50 Å.
CoS2 is Pyrite-like structured and crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. Co4+ is bonded to six equivalent S2- atoms to form corner-sharing CoS6 octahedra. The corner-sharing octahedral tilt angles are 65°. There are a spread of Co–S bond distances ranging from 2.28–2.33 Å. S2- is bonded in a 4-coordinate geometry to three equivalent Co4+ and one S2- atom. The S–S bond length is 2.14 Å.
CaLa2SnO6 is pyrite-derived structured and crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Ca2+ is bonded to six equivalent O2- atoms to form CaO6 octahedra that share corners with six equivalent SnO6 octahedra. The corner-sharing octahedral tilt angles are 35°. All Ca–O bond lengths are 2.31 Å. La3+ is bonded in a 3-coordinate geometry to six equivalent O2- atoms. There are three shorter (2.36 Å) and three longer (2.75 Å) La–O bond lengths. Sn4+ is bonded to six equivalent O2- atoms to form SnO6 octahedra that share corners with six equivalent CaO6 octahedra. The corner-sharing octahedral tilt angles are 35°. All Sn–O bond lengths are 2.10 Å. O2- is bonded to one Ca2+, two equivalent La3+, and one Sn4+ atom to form a mixture of distorted edge and corner-sharing OCaLa2Sn trigonal pyramids.
MoZn2SbO6 is pyrite-derived structured and crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Mo5+ is bonded to six O2- atoms to form MoO6 octahedra that share corners with two equivalent MoO6 octahedra, corners with four equivalent SbO6 octahedra, corners with four equivalent ZnO4 tetrahedra, and corners with four equivalent ZnO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 46–50°. There are a spread of Mo–O bond distances ranging from 2.02–2.19 Å. There are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four O2- atoms to form distorted ZnO4 trigonal pyramids that share corners with four equivalent MoO6 octahedra, corners with four equivalent SbO6 octahedra, and corners with two equivalent ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 60–82°. There are a spread of Zn–O bond distances ranging from 2.04–2.14 Å. In the second Zn2+ site, Zn2+ is bonded to four O2- atoms to form distorted ZnO4 tetrahedra that share corners with four equivalent MoO6 octahedra, corners with four equivalent SbO6 octahedra, and corners with two equivalent ZnO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 66–80°. There are a spread of Zn–O bond distances ranging from 2.02–2.14 Å. Sb3+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent SbO6 octahedra, corners with four equivalent MoO6 octahedra, corners with four equivalent ZnO4 tetrahedra, and corners with four equivalent ZnO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 44–50°. There are a spread of Sb–O bond distances ranging from 2.11–2.18 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mo5+, one Zn2+, and one Sb3+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mo5+, one Zn2+, and one Sb3+ atom. In the third O2- site, O2- is bonded to two Zn2+ and two equivalent Sb3+ atoms to form distorted corner-sharing OZn2Sb2 tetrahedra. In the fourth O2- site, O2- is bonded to two equivalent Mo5+ and two Zn2+ atoms to form distorted corner-sharing OZn2Mo2 tetrahedra.
Co3Zn2O8 is Pyrite-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Co4+ sites. In the first Co4+ site, Co4+ is bonded to six O2- atoms to form edge-sharing CoO6 octahedra. There is four shorter (1.87 Å) and two longer (1.92 Å) Co–O bond length. In the second Co4+ site, Co4+ is bonded to six O2- atoms to form edge-sharing CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.83–1.92 Å. Zn2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Zn–O bond distances ranging from 2.04–2.24 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Co4+ and one Zn2+ atom. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Co4+ and one Zn2+ atom. In the third O2- site, O2- is bonded to two Co4+ and two equivalent Zn2+ atoms to form a mixture of distorted edge and corner-sharing OZn2Co2 tetrahedra.
TiZn2SbO6 is pyrite-derived structured and crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Ti3+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with two equivalent TiO6 octahedra and corners with four equivalent SbO6 octahedra. The corner-sharing octahedra tilt angles range from 42–47°. There are a spread of Ti–O bond distances ranging from 1.96–2.10 Å. There are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (2.06 Å) and two longer (2.12 Å) Zn–O bond lengths. In the second Zn2+ site, Zn2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Zn–O bond distances ranging from 2.02–2.17 Å. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent SbO6 octahedra and corners with four equivalent TiO6 octahedra. The corner-sharing octahedra tilt angles range from 44–47°. There are four shorter (2.11 Å) and two longer (2.12 Å) Sb–O bond lengths. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Ti3+, one Zn2+, and one Sb5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Ti3+, one Zn2+, and one Sb5+ atom. In the third O2- site, O2- is bonded to two Zn2+ and two equivalent Sb5+ atoms to form distorted corner-sharing OZn2Sb2 tetrahedra. In the fourth O2- site, O2- is bonded to two equivalent Ti3+ and two Zn2+ atoms to form distorted corner-sharing OTi2Zn2 tetrahedra.
Mg2Ni3O8 is Pyrite-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Mg2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Mg–O bond distances ranging from 2.04–2.26 Å. There are two inequivalent Ni4+ sites. In the first Ni4+ site, Ni4+ is bonded to six O2- atoms to form edge-sharing NiO6 octahedra. There is four shorter (1.88 Å) and two longer (1.89 Å) Ni–O bond length. In the second Ni4+ site, Ni4+ is bonded to six O2- atoms to form edge-sharing NiO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.85–1.91 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+ and two equivalent Ni4+ atoms. In the second O2- site, O2- is bonded in a distorted see-saw-like geometry to one Mg2+ and three Ni4+ atoms. In the third O2- site, O2- is bonded to two equivalent Mg2+ and two Ni4+ atoms to form a mixture of distorted edge and corner-sharing OMg2Ni2 tetrahedra.
Ca2Co3O8 is Pyrite-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ca2+ is bonded to six O2- atoms to form distorted CaO6 pentagonal pyramids that share corners with seven CoO6 octahedra, edges with three CoO6 octahedra, and edges with two equivalent CaO6 pentagonal pyramids. The corner-sharing octahedra tilt angles range from 21–56°. There are a spread of Ca–O bond distances ranging from 2.27–2.43 Å. There are two inequivalent Co4+ sites. In the first Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six equivalent CaO6 pentagonal pyramids, edges with four equivalent CoO6 octahedra, and edges with two equivalent CaO6 pentagonal pyramids. There is four shorter (1.87 Å) and two longer (1.92 Å) Co–O bond length. In the second Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four equivalent CaO6 pentagonal pyramids, edges with four CoO6 octahedra, and edges with two equivalent CaO6 pentagonal pyramids. There are a spread of Co–O bond distances ranging from 1.86–1.98 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+ and two equivalent Co4+ atoms. In the second O2- site, O2- is bonded to one Ca2+ and three Co4+ atoms to form a mixture of distorted edge and corner-sharing OCaCo3 trigonal pyramids. In the third O2- site, O2- is bonded to two equivalent Ca2+ and two Co4+ atoms to form a mixture of distorted edge and corner-sharing OCa2Co2 trigonal pyramids.
Ca2Ni3O8 is Pyrite-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ca2+ is bonded to six O2- atoms to form distorted CaO6 pentagonal pyramids that share corners with seven NiO6 octahedra, edges with three NiO6 octahedra, and edges with two equivalent CaO6 pentagonal pyramids. The corner-sharing octahedra tilt angles range from 21–56°. There are a spread of Ca–O bond distances ranging from 2.25–2.42 Å. There are two inequivalent Ni4+ sites. In the first Ni4+ site, Ni4+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with six equivalent CaO6 pentagonal pyramids, edges with four equivalent NiO6 octahedra, and edges with two equivalent CaO6 pentagonal pyramids. There is four shorter (1.88 Å) and two longer (1.90 Å) Ni–O bond length. In the second Ni4+ site, Ni4+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with four equivalent CaO6 pentagonal pyramids, edges with four NiO6 octahedra, and edges with two equivalent CaO6 pentagonal pyramids. There are a spread of Ni–O bond distances ranging from 1.86–1.95 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+ and two equivalent Ni4+ atoms. In the second O2- site, O2- is bonded to one Ca2+ and three Ni4+ atoms to form a mixture of distorted edge and corner-sharing OCaNi3 trigonal pyramids. In the third O2- site, O2- is bonded to two equivalent Ca2+ and two Ni4+ atoms to form a mixture of distorted edge and corner-sharing OCa2Ni2 trigonal pyramids.
TaZn2SbO6 is pyrite-derived structured and crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with two equivalent TaO6 octahedra, corners with four equivalent SbO6 octahedra, and corners with four equivalent ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 45–53°. There are a spread of Ta–O bond distances ranging from 1.96–2.16 Å. There are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Zn–O bond distances ranging from 2.02–2.25 Å. In the second Zn2+ site, Zn2+ is bonded to four O2- atoms to form distorted ZnO4 tetrahedra that share corners with four equivalent TaO6 octahedra and corners with four equivalent SbO6 octahedra. The corner-sharing octahedra tilt angles range from 60–79°. There are a spread of Zn–O bond distances ranging from 2.02–2.12 Å. Sb3+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent SbO6 octahedra, corners with four equivalent TaO6 octahedra, and corners with four equivalent ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 46–53°. There are a spread of Sb–O bond distances ranging from 2.23–2.34 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ta5+, one Zn2+, and one Sb3+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Ta5+, one Zn2+, and one Sb3+ atom. In the third O2- site, O2- is bonded to two Zn2+ and two equivalent Sb3+ atoms to form distorted corner-sharing OZn2Sb2 tetrahedra. In the fourth O2- site, O2- is bonded to two equivalent Ta5+ and two Zn2+ atoms to form distorted corner-sharing OTa2Zn2 tetrahedra.
WZn2SbO6 is pyrite-derived structured and crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. W5+ is bonded to six O2- atoms to form WO6 octahedra that share corners with two equivalent WO6 octahedra, corners with four equivalent SbO6 octahedra, corners with four equivalent ZnO4 tetrahedra, and corners with four equivalent ZnO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 46–53°. There are a spread of W–O bond distances ranging from 1.94–2.20 Å. There are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four O2- atoms to form distorted ZnO4 trigonal pyramids that share corners with four equivalent WO6 octahedra, corners with four equivalent SbO6 octahedra, and corners with two equivalent ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–81°. There are a spread of Zn–O bond distances ranging from 2.03–2.14 Å. In the second Zn2+ site, Zn2+ is bonded to four O2- atoms to form distorted ZnO4 tetrahedra that share corners with four equivalent WO6 octahedra, corners with four equivalent SbO6 octahedra, and corners with two equivalent ZnO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 60–79°. There are a spread of Zn–O bond distances ranging from 2.01–2.14 Å. Sb3+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent SbO6 octahedra, corners with four equivalent WO6 octahedra, corners with four equivalent ZnO4 tetrahedra, and corners with four equivalent ZnO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 47–53°. There are a spread of Sb–O bond distances ranging from 2.25–2.32 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one W5+, one Zn2+, and one Sb3+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one W5+, one Zn2+, and one Sb3+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Zn2+ and two equivalent Sb3+ atoms. In the fourth O2- site, O2- is bonded to two equivalent W5+ and two Zn2+ atoms to form distorted corner-sharing OZn2W2 tetrahedra.
TaZn2SnO6 is pyrite-derived structured and crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Ta5+ is bonded to six O2- atoms to form TaO6 octahedra that share corners with two equivalent TaO6 octahedra, corners with four equivalent SnO6 octahedra, and corners with four equivalent ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 43–49°. There are a spread of Ta–O bond distances ranging from 1.98–2.12 Å. There are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Zn–O bond distances ranging from 2.02–2.40 Å. In the second Zn2+ site, Zn2+ is bonded to four O2- atoms to form distorted ZnO4 tetrahedra that share corners with four equivalent TaO6 octahedra and corners with four equivalent SnO6 octahedra. The corner-sharing octahedra tilt angles range from 64–81°. There are a spread of Zn–O bond distances ranging from 2.03–2.13 Å. Sn3+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with two equivalent SnO6 octahedra, corners with four equivalent TaO6 octahedra, and corners with four equivalent ZnO4 tetrahedra. The corner-sharing octahedra tilt angles range from 45–49°. There are a spread of Sn–O bond distances ranging from 2.15–2.28 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Ta5+, one Zn2+, and one Sn3+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Ta5+, one Zn2+, and one Sn3+ atom. In the third O2- site, O2- is bonded to two equivalent Ta5+ and two Zn2+ atoms to form distorted corner-sharing OTa2Zn2 tetrahedra. In the fourth O2- site, O2- is bonded to two Zn2+ and two equivalent Sn3+ atoms to form distorted corner-sharing OZn2Sn2 tetrahedra.