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Materials Data on Li3Co2(SiO4)2 by Materials Project

Li3Co2(SiO4)2 is Clathrate-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 to four O2- atoms to form LiO4 tetrahedra that share corners with two equivalent LiO4 tetrahedra, corners with two equivalent CoO4 tetrahedra, corners with four SiO4 tetrahedra, and an edgeedge with one LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.93–2.12 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 tetrahedra that share corners with two equivalent SiO4 tetrahedra, corners with four LiO4 tetrahedra, corners with four CoO4 tetrahedra, and an edgeedge with one SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.93–2.19 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two equivalent LiO4 tetrahedra, corners with two equivalent CoO4 tetrahedra, corners with four SiO4 tetrahedra, and an edgeedge with one LiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.93–2.06 Å. There are two inequivalent Co+2.50+ sites. In the first Co+2.50+ site, Co+2.50+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four LiO4 tetrahedra, corners with four SiO4 tetrahedra, and an edgeedge with one CoO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.82–1.98 Å. In the second Co+2.50+ site, Co+2.50+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four LiO4 tetrahedra, corners with four SiO4 tetrahedra, and an edgeedge with one CoO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.89–2.05 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 corners with four LiO4 tetrahedra, corners with four CoO4 tetrahedra, and an edgeedge with one LiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.59–1.70 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four CoO4 tetrahedra and corners with six LiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.71 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Co+2.50+ and one Si4+ atom. In the second O2- site, O2- is bonded to two Li1+, one Co+2.50+, and one Si4+ atom to form distorted OLi2CoSi trigonal pyramids that share corners with four OLi3Si tetrahedra and an edgeedge with one OLi2CoSi tetrahedra. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Li1+ and one Si4+ atom. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Co+2.50+, and one Si4+ atom. In the fifth O2- site, O2- is bonded to two Li1+, one Co+2.50+, and one Si4+ atom to form OLi2CoSi tetrahedra that share corners with four OLi3Si tetrahedra and an edgeedge with one OLi2CoSi trigonal pyramid. In the sixth O2- site, O2- is bonded to three Li1+ and one Si4+ atom to form distorted corner-sharing OLi3Si tetrahedra. In the seventh O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Co+2.50+, and one Si4+ atom. In the eighth O2- site, O2- is bonded to one Li1+, two Co+2.50+, and one Si4+ atom to form distorted corner-sharing OLiCo2Si tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on Li5Co7O16 by Materials Project

Li5Co7O16 is Spinel-like structured and crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are five inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three LiO6 octahedra and corners with nine CoO6 octahedra. The corner-sharing octahedra tilt angles range from 52–71°. There are a spread of Li–O bond distances ranging from 1.95–1.99 Å. In the second Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with two equivalent CoO4 tetrahedra, corners with four LiO4 tetrahedra, and edges with six CoO6 octahedra. There are a spread of Li–O bond distances ranging from 2.02–2.16 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three LiO6 octahedra and corners with nine CoO6 octahedra. The corner-sharing octahedra tilt angles range from 51–70°. There are a spread of Li–O bond distances ranging from 1.90–1.99 Å. In the fourth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one CoO4 tetrahedra, corners with five LiO4 tetrahedra, and edges with six CoO6 octahedra. There are a spread of Li–O bond distances ranging from 2.06–2.16 Å. In the fifth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three LiO6 octahedra and corners with nine CoO6 octahedra. The corner-sharing octahedra tilt angles range from 54–70°. There are a spread of Li–O bond distances ranging from 1.94–1.98 Å. There are seven inequivalent Co+3.86+ sites. In the first Co+3.86+ site, Co+3.86+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one CoO4 tetrahedra, corners with five LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.81–1.98 Å. In the second Co+3.86+ site, Co+3.86+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one CoO4 tetrahedra, corners with five LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.83–1.94 Å. In the third Co+3.86+ site, Co+3.86+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent CoO4 tetrahedra, corners with four LiO4 tetrahedra, edges with two equivalent LiO6 octahedra, and edges with four CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.80–1.97 Å. In the fourth Co+3.86+ site, Co+3.86+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three LiO6 octahedra and corners with nine CoO6 octahedra. The corner-sharing octahedra tilt angles range from 54–66°. There are a spread of Co–O bond distances ranging from 1.83–1.93 Å. In the fifth Co+3.86+ site, Co+3.86+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent CoO4 tetrahedra, corners with four LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.82–1.94 Å. In the sixth Co+3.86+ site, Co+3.86+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent CoO4 tetrahedra, corners with four LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.81–1.94 Å. In the seventh Co+3.86+ site, Co+3.86+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one CoO4 tetrahedra, corners with five LiO4 tetrahedra, edges with two equivalent LiO6 octahedra, and edges with four CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.81–1.95 Å. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded to two Li1+ and two Co+3.86+ atoms to form distorted OLi2Co2 trigonal pyramids that share a cornercorner with one OLiCo3 tetrahedra, corners with four OLi2Co2 trigonal pyramids, and edges with two OLiCo3 trigonal pyramids. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+ and two Co+3.86+ atoms. In the third O2- site, O2- is bonded to one Li1+ and three Co+3.86+ atoms to form distorted OLiCo3 trigonal pyramids that share corners with two equivalent OLiCo3 tetrahedra, corners with six OLi2Co2 trigonal pyramids, and edges with three OLi2Co2 trigonal pyramids. In the fourth O2- site, O2- is bonded to two Li1+ and two Co+3.86+ atoms to form distorted OLi2Co2 trigonal pyramids that share corners with two equivalent OLiCo3 tetrahedra, corners with six OLi2Co2 trigonal pyramids, and edges with three OLi2Co2 trigonal pyramids. In the fifth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+ and three Co+3.86+ atoms. In the sixth O2- site, O2- is bonded to one Li1+ and three Co+3.86+ atoms to form a mixture of distorted edge and corner-sharing OLiCo3 tetrahedra. In the seventh O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+ and three Co+3.86+ atoms. In the eighth O2- site, O2- is bonded to two Li1+ and two Co+3.86+ atoms to form distorted OLi2Co2 trigonal pyramids that share a cornercorner with one OLiCo3 tetrahedra, corners with ten OLi2Co2 trigonal pyramids, and an edgeedge with one OLiCo3 tetrahedra. In the ninth O2- site, O2- is bonded to two Li1+ and two Co+3.86+ atoms to form distorted OLi2Co2 trigonal pyramids that share a cornercorner with one OLiCo3 tetrahedra, corners with eight OLi2Co2 trigonal pyramids, and edges with three OLi2Co2 trigonal pyramids. In the tenth O2- site, O2- is bonded to two Li1+ and two Co+3.86+ atoms to form distorted OLi2Co2 trigonal pyramids that share a cornercorner with one OLiCo3 tetrahedra, corners with eight OLi2Co2 trigonal pyramids, and edges with three OLi2Co2 trigonal pyramids. In the eleventh O2- site, O2- is bonded to one Li1+ and three Co+3.86+ atoms to form distorted OLiCo3 trigonal pyramids that share a cornercorner with one OLiCo3 tetrahedra, corners with five OLi2Co2 trigonal pyramids, and edges with two OLi2Co2 trigonal pyramids. In the twelfth O2- site, O2- is bonded to two Li1+ and two Co+3.86+ atoms to form a mixture of distorted edge and corner-sharing OLi2Co2 trigonal pyramids. In the thirteenth O2- site, O2- is bonded to two Li1+ and two Co+3.86+ atoms to form distorted OLi2Co2 trigonal pyramids that share a cornercorner with one OLiCo3 tetrahedra, corners with eleven OLi2Co2 trigonal pyramids, and an edgeedge with one OLi2Co2 trigonal pyramid. In the fourteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Co+3.86+ atoms. In the fifteenth O2- site, O2- is bonded to two Li1+ and two Co+3.86+ atoms to form distorted OLi2Co2 trigonal pyramids that share a cornercorner with one OLiCo3 tetrahedra, corners with ten OLi2Co2 trigonal pyramids, and an edgeedge with one OLi2Co2 trigonal pyramid. In the sixteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+ and three Co+3.86+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on BaLuCo4O7 by Materials Project

BaLuCo4O7 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. Ba2+ is bonded in a 12-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.81–3.31 Å. Lu3+ is bonded to six O2- atoms to form LuO6 octahedra that share corners with twelve CoO4 tetrahedra. There are a spread of Lu–O bond distances ranging from 2.19–2.26 Å. There are four inequivalent Co+2.25+ sites. In the first Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent LuO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 53–59°. There are a spread of Co–O bond distances ranging from 1.96–2.01 Å. In the second Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent LuO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 46–57°. There are a spread of Co–O bond distances ranging from 1.86–1.94 Å. In the third Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent LuO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–58°. There are a spread of Co–O bond distances ranging from 1.95–2.00 Å. In the fourth Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent LuO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–60°. There is two shorter (1.94 Å) and two longer (2.01 Å) Co–O bond length. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded to one Ba2+, one Lu3+, and two Co+2.25+ atoms to form distorted corner-sharing OBaLuCo2 trigonal pyramids. In the second O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Lu3+, and two Co+2.25+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Lu3+, and two Co+2.25+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+, one Lu3+, and two Co+2.25+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+, one Lu3+, and two Co+2.25+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+, one Lu3+, and two Co+2.25+ atoms. In the seventh O2- site, O2- is bonded to four Co+2.25+ atoms to form corner-sharing OCo4 tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on BaYCo4O7 by Materials Project

YBaCo4O7 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. Ba2+ is bonded in a 3-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.81–3.33 Å. Y3+ is bonded to six O2- atoms to form YO6 octahedra that share corners with twelve CoO4 tetrahedra. There are a spread of Y–O bond distances ranging from 2.26–2.32 Å. There are four inequivalent Co+2.25+ sites. In the first Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent YO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–59°. There are a spread of Co–O bond distances ranging from 1.96–2.02 Å. In the second Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent YO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–59°. There are a spread of Co–O bond distances ranging from 1.95–2.01 Å. In the third Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent YO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–59°. There are a spread of Co–O bond distances ranging from 1.85–1.94 Å. In the fourth Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent YO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 49–61°. There are a spread of Co–O bond distances ranging from 1.93–2.02 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded to one Ba2+, one Y3+, and two Co+2.25+ atoms to form distorted corner-sharing OBaYCo2 trigonal pyramids. In the second O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Y3+, and two Co+2.25+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Y3+, and two Co+2.25+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+, one Y3+, and two Co+2.25+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+, one Y3+, and two Co+2.25+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+, one Y3+, and two Co+2.25+ atoms. In the seventh O2- site, O2- is bonded to four Co+2.25+ atoms to form corner-sharing OCo4 tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on BaTmCo4O7 by Materials Project

BaTmCo4O7 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. Ba2+ is bonded in a 3-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.85–3.20 Å. Tm3+ is bonded to six O2- atoms to form TmO6 octahedra that share corners with twelve CoO4 tetrahedra. There are a spread of Tm–O bond distances ranging from 2.20–2.31 Å. There are four inequivalent Co+2.25+ sites. In the first Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent TmO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–60°. There are a spread of Co–O bond distances ranging from 1.94–2.00 Å. In the second Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent TmO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 49–60°. There are a spread of Co–O bond distances ranging from 1.94–2.00 Å. In the third Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent TmO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–60°. There are a spread of Co–O bond distances ranging from 1.94–1.99 Å. In the fourth Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent TmO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 52–54°. There are a spread of Co–O bond distances ranging from 1.87–1.94 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ba2+, one Tm3+, and two Co+2.25+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ba2+, one Tm3+, and two Co+2.25+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ba2+, one Tm3+, and two Co+2.25+ atoms. In the fourth O2- site, O2- is bonded in a tetrahedral geometry to four Co+2.25+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Tm3+, and two Co+2.25+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Tm3+, and two Co+2.25+ atoms. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Tm3+, and two Co+2.25+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Co7(SbO6)2 by Materials Project

Co7Sb2O12 is Spinel-like structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are six inequivalent Co2+ sites. In the first Co2+ site, Co2+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent SbO6 octahedra and corners with nine CoO6 octahedra. The corner-sharing octahedra tilt angles range from 57–61°. There are one shorter (1.98 Å) and three longer (2.05 Å) Co–O bond lengths. In the second Co2+ site, Co2+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with five SbO6 octahedra and corners with seven CoO6 octahedra. The corner-sharing octahedra tilt angles range from 54–67°. There are a spread of Co–O bond distances ranging from 1.88–2.13 Å. In the third Co2+ site, Co2+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four SbO6 octahedra and corners with eight CoO6 octahedra. The corner-sharing octahedra tilt angles range from 50–61°. There are three shorter (1.97 Å) and one longer (2.14 Å) Co–O bond lengths. In the fourth Co2+ site, Co2+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six CoO4 tetrahedra, edges with two SbO6 octahedra, and edges with four equivalent CoO6 octahedra. There are a spread of Co–O bond distances ranging from 2.01–2.25 Å. In the fifth Co2+ site, Co2+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six CoO4 tetrahedra, edges with two equivalent CoO6 octahedra, and edges with four SbO6 octahedra. There are a spread of Co–O bond distances ranging from 2.09–2.16 Å. In the sixth Co2+ site, Co2+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six CoO4 tetrahedra, edges with two SbO6 octahedra, and edges with four CoO6 octahedra. There are a spread of Co–O bond distances ranging from 2.03–2.23 Å. There are three inequivalent Sb5+ sites. In the first Sb5+ site, Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six CoO4 tetrahedra, an edgeedge with one SbO6 octahedra, and edges with five CoO6 octahedra. There are a spread of Sb–O bond distances ranging from 1.96–2.16 Å. In the second Sb5+ site, Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six equivalent CoO4 tetrahedra and edges with six CoO6 octahedra. All Sb–O bond lengths are 2.02 Å. In the third Sb5+ site, Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with six CoO4 tetrahedra, edges with two equivalent SbO6 octahedra, and edges with four equivalent CoO6 octahedra. There are two shorter (1.99 Å) and four longer (2.06 Å) Sb–O bond lengths. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to four Co2+ atoms. In the second O2- site, O2- is bonded to three Co2+ and one Sb5+ atom to form a mixture of distorted edge and corner-sharing OCo3Sb trigonal pyramids. In the third O2- site, O2- is bonded to four Co2+ atoms to form distorted corner-sharing OCo4 tetrahedra. In the fourth O2- site, O2- is bonded to three Co2+ and one Sb5+ atom to form distorted OCo3Sb trigonal pyramids that share corners with three equivalent OCo4 tetrahedra, corners with five OCo3Sb trigonal pyramids, and edges with two equivalent OCo3Sb trigonal pyramids. In the fifth O2- site, O2- is bonded to three Co2+ and one Sb5+ atom to form a mixture of edge and corner-sharing OCo3Sb tetrahedra. In the sixth O2- site, O2- is bonded in a rectangular see-saw-like geometry to three Co2+ and one Sb5+ atom. In the seventh O2- site, O2- is bonded to three Co2+ and one Sb5+ atom to form distorted OCo3Sb trigonal pyramids that share corners with three equivalent OCo4 tetrahedra, corners with five OCo3Sb trigonal pyramids, and edges with two OCo3Sb trigonal pyramids. In the eighth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Co2+ and two Sb5+ atoms. In the ninth O2- site, O2- is bonded in a rectangular see-saw-like geometry to three Co2+ and one Sb5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on BaYbCo4O7 by Materials Project

YbBaCo4O7 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. Ba2+ is bonded in a 3-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.68–3.45 Å. Yb3+ is bonded to six O2- atoms to form YbO6 octahedra that share corners with twelve CoO4 tetrahedra. There are a spread of Yb–O bond distances ranging from 2.31–2.37 Å. There are four inequivalent Co+2.25+ sites. In the first Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent YbO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 58–62°. There are a spread of Co–O bond distances ranging from 1.91–2.04 Å. In the second Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent YbO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 43–63°. There are a spread of Co–O bond distances ranging from 1.83–1.97 Å. In the third Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent YbO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–65°. There are a spread of Co–O bond distances ranging from 1.94–2.02 Å. In the fourth Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent YbO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 47–62°. There are a spread of Co–O bond distances ranging from 1.85–1.97 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded to one Ba2+, one Yb3+, and two Co+2.25+ atoms to form distorted corner-sharing OBaYbCo2 tetrahedra. In the second O2- site, O2- is bonded to one Ba2+, one Yb3+, and two Co+2.25+ atoms to form distorted corner-sharing OBaYbCo2 tetrahedra. In the third O2- site, O2- is bonded to one Ba2+, one Yb3+, and two Co+2.25+ atoms to form distorted corner-sharing OBaYbCo2 tetrahedra. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+, one Yb3+, and two Co+2.25+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+, one Yb3+, and two Co+2.25+ atoms. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+, one Yb3+, and two Co+2.25+ atoms. In the seventh O2- site, O2- is bonded to four Co+2.25+ atoms to form corner-sharing OCo4 tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on BaLuCo4O7 by Materials Project

BaLuCo4O7 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. Ba2+ is bonded in a 12-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.82–3.33 Å. Lu3+ is bonded to six O2- atoms to form LuO6 octahedra that share corners with twelve CoO4 tetrahedra. There are a spread of Lu–O bond distances ranging from 2.20–2.26 Å. There are four inequivalent Co+2.25+ sites. In the first Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent LuO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 53–55°. There are a spread of Co–O bond distances ranging from 1.94–2.01 Å. In the second Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent LuO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–56°. There are a spread of Co–O bond distances ranging from 1.87–1.93 Å. In the third Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent LuO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 55–58°. There are a spread of Co–O bond distances ranging from 1.96–2.01 Å. In the fourth Co+2.25+ site, Co+2.25+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent LuO6 octahedra and corners with six CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 53–61°. There are a spread of Co–O bond distances ranging from 1.95–2.01 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+, one Lu3+, and two Co+2.25+ atoms. In the second O2- site, O2- is bonded in a tetrahedral geometry to four Co+2.25+ atoms. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ba2+, one Lu3+, and two Co+2.25+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Lu3+, and two Co+2.25+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Lu3+, and two Co+2.25+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Lu3+, and two Co+2.25+ atoms. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to one Ba2+, one Lu3+, and two Co+2.25+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Li5CoO4 by Materials Project

Li5CoO4 crystallizes in the orthorhombic Pnnm 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 corners with two equivalent CoO4 tetrahedra, corners with ten LiO4 tetrahedra, corners with two equivalent LiO4 trigonal pyramids, edges with two equivalent LiO6 octahedra, edges with two equivalent CoO4 tetrahedra, edges with four LiO4 tetrahedra, and edges with two equivalent LiO4 trigonal pyramids. There are a spread of Li–O bond distances ranging from 2.01–2.56 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 tetrahedra that share corners with two equivalent LiO6 octahedra, corners with two equivalent CoO4 tetrahedra, corners with four equivalent LiO4 tetrahedra, corners with two equivalent LiO4 trigonal pyramids, edges with two equivalent LiO6 octahedra, an edgeedge with one CoO4 tetrahedra, edges with two equivalent LiO4 tetrahedra, and an edgeedge with one LiO4 trigonal pyramid. The corner-sharing octahedral tilt angles are 56°. There are a spread of Li–O bond distances ranging from 1.90–2.18 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four equivalent LiO6 octahedra, corners with two equivalent CoO4 tetrahedra, corners with four LiO4 tetrahedra, corners with two equivalent LiO4 trigonal pyramids, an edgeedge with one LiO6 octahedra, an edgeedge with one CoO4 tetrahedra, edges with two LiO4 tetrahedra, and an edgeedge with one LiO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 16–52°. There are a spread of Li–O bond distances ranging from 1.93–2.00 Å. In the fourth Li1+ site, Li1+ is bonded to four O2- atoms to form distorted LiO4 trigonal pyramids that share corners with two equivalent LiO6 octahedra, corners with four equivalent CoO4 tetrahedra, corners with six LiO4 tetrahedra, edges with two equivalent LiO6 octahedra, and edges with three LiO4 tetrahedra. The corner-sharing octahedral tilt angles are 82°. There are a spread of Li–O bond distances ranging from 2.01–2.16 Å. Co3+ is bonded to four O2- atoms to form distorted CoO4 tetrahedra that share corners with two equivalent LiO6 octahedra, corners with six LiO4 tetrahedra, corners with four equivalent LiO4 trigonal pyramids, edges with two equivalent LiO6 octahedra, and edges with three LiO4 tetrahedra. The corner-sharing octahedral tilt angles are 58°. There are a spread of Co–O bond distances ranging from 1.85–1.96 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to five Li1+ and one Co3+ atom. In the second O2- site, O2- is bonded in a 7-coordinate geometry to six Li1+ and one Co3+ atom. In the third O2- site, O2- is bonded in a 5-coordinate geometry to six Li1+ and one Co3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on ZnCoO2 by Materials Project

CoZnO2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Co2+ sites. In the first Co2+ site, Co2+ is bonded to four O2- atoms to form distorted CoO4 trigonal pyramids that share corners with four CoO5 trigonal bipyramids, corners with two equivalent CoO4 trigonal pyramids, and corners with four ZnO4 trigonal pyramids. There are a spread of Co–O bond distances ranging from 1.95–2.08 Å. In the second Co2+ site, Co2+ is bonded to five O2- atoms to form CoO5 trigonal bipyramids that share a cornercorner with one ZnO4 trigonal pyramid, corners with four CoO4 trigonal pyramids, edges with two equivalent CoO5 trigonal bipyramids, and an edgeedge with one ZnO4 trigonal pyramid. There are a spread of Co–O bond distances ranging from 2.06–2.16 Å. In the third Co2+ site, Co2+ is bonded to five O2- atoms to form CoO5 trigonal bipyramids that share a cornercorner with one ZnO4 trigonal pyramid, corners with four CoO4 trigonal pyramids, edges with two equivalent CoO5 trigonal bipyramids, and an edgeedge with one ZnO4 trigonal pyramid. There are a spread of Co–O bond distances ranging from 2.06–2.16 Å. In the fourth Co2+ site, Co2+ is bonded to four O2- atoms to form distorted CoO4 trigonal pyramids that share corners with four CoO5 trigonal bipyramids, corners with two equivalent CoO4 trigonal pyramids, and corners with four ZnO4 trigonal pyramids. There are a spread of Co–O bond distances ranging from 1.95–2.09 Å. There are four inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four O2- atoms to form distorted ZnO4 trigonal pyramids that share a cornercorner with one CoO5 trigonal bipyramid, corners with two equivalent ZnO4 trigonal pyramids, corners with four CoO4 trigonal pyramids, and an edgeedge with one CoO5 trigonal bipyramid. There are a spread of Zn–O bond distances ranging from 1.98–2.04 Å. In the second Zn2+ site, Zn2+ is bonded to four O2- atoms to form distorted ZnO4 trigonal pyramids that share a cornercorner with one CoO5 trigonal bipyramid, corners with two equivalent ZnO4 trigonal pyramids, corners with four CoO4 trigonal pyramids, and an edgeedge with one CoO5 trigonal bipyramid. There are a spread of Zn–O bond distances ranging from 1.99–2.04 Å. In the third Zn2+ site, Zn2+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Zn–O bond distances ranging from 1.88–2.18 Å. In the fourth Zn2+ site, Zn2+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Zn–O bond distances ranging from 1.88–2.20 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded to three Co2+ and one Zn2+ atom to form distorted OZnCo3 tetrahedra that share corners with two equivalent OZnCo3 tetrahedra, corners with four OZn2Co3 trigonal bipyramids, corners with five OZn3Co trigonal pyramids, and an edgeedge with one OZn2Co2 trigonal pyramid. In the second O2- site, O2- is bonded to three Co2+ and two equivalent Zn2+ atoms to form distorted OZn2Co3 trigonal bipyramids that share corners with four OZnCo3 tetrahedra, corners with five OZn3Co trigonal pyramids, edges with two equivalent OZn2Co3 trigonal bipyramids, and edges with two OZn3Co trigonal pyramids. In the third O2- site, O2- is bonded to three Co2+ and two equivalent Zn2+ atoms to form distorted OZn2Co3 trigonal bipyramids that share corners with four OZnCo3 tetrahedra, corners with five OZn2Co2 trigonal pyramids, edges with two equivalent OZn2Co3 trigonal bipyramids, and edges with two OZn2Co2 trigonal pyramids. In the fourth O2- site, O2- is bonded to three Co2+ and one Zn2+ atom to form distorted OZnCo3 tetrahedra that share corners with two equivalent OZnCo3 tetrahedra, corners with four OZn2Co3 trigonal bipyramids, corners with five OZn3Co trigonal pyramids, and an edgeedge with one OZn2Co2 trigonal pyramid. In the fifth O2- site, O2- is bonded to one Co2+ and three Zn2+ atoms to form distorted OZn3Co trigonal pyramids that share corners with four OZnCo3 tetrahedra, a cornercorner with one OZn2Co3 trigonal bipyramid, corners with five OZn3Co trigonal pyramids, and an edgeedge with one OZn2Co3 trigonal bipyramid. In the sixth O2- site, O2- is bonded to two equivalent Co2+ and two Zn2+ atoms to form distorted OZn2Co2 trigonal pyramids that share a cornercorner with one OZnCo3 tetrahedra, corners with four OZn2Co3 trigonal bipyramids, corners with five OZn3Co trigonal pyramids, an edgeedge with one OZnCo3 tetrahedra, and an edgeedge with one OZn2Co3 trigonal bipyramid. In the seventh O2- site, O2- is bonded to one Co2+ and three Zn2+ atoms to form distorted OZn3Co trigonal pyramids that share corners with four OZnCo3 tetrahedra, a cornercorner with one OZn2Co3 trigonal bipyramid, corners with five OZn2Co2 trigonal pyramids, and an edgeedge with one OZn2Co3 trigonal bipyramid. In the eighth O2- site, O2- is bonded to two equivalent Co2+ and two Zn2+ atoms to form distorted OZn2Co2 trigonal pyramids that share a cornercorner with one OZnCo3 tetrahedra, corners with four OZn2Co3 trigonal bipyramids, corners with five OZn3Co trigonal pyramids, an edgeedge with one OZnCo3 tetrahedra, and an edgeedge with one OZn2Co3 trigonal bipyramid.

36 MATERIALS SCIENCE↗

Materials Data on Ba5Co4PtClO13 by Materials Project

Ba5Co4PtO13Cl crystallizes in the orthorhombic Cmc2_1 space group. The structure is three-dimensional. there are five inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to nine O2- and one Cl1- atom. There are a spread of Ba–O bond distances ranging from 2.66–2.95 Å. The Ba–Cl bond length is 3.03 Å. In the second Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to nine O2- and one Cl1- atom. There are a spread of Ba–O bond distances ranging from 2.70–2.99 Å. The Ba–Cl bond length is 3.03 Å. In the third Ba2+ site, Ba2+ is bonded to nine O2- and three equivalent Cl1- atoms to form distorted BaCl3O9 cuboctahedra that share corners with three equivalent BaO12 cuboctahedra, edges with six equivalent BaCl3O9 cuboctahedra, edges with six CoO4 tetrahedra, a faceface with one CoO6 octahedra, and a faceface with one PtO6 octahedra. There are a spread of Ba–O bond distances ranging from 2.96–3.37 Å. There are two shorter (3.35 Å) and one longer (3.36 Å) Ba–Cl bond lengths. In the fourth Ba2+ site, Ba2+ is bonded to twelve O2- atoms to form distorted BaO12 cuboctahedra that share corners with nine BaCl3O9 cuboctahedra, corners with three equivalent PtO6 octahedra, faces with six CoO6 octahedra, and a faceface with one CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 9–13°. There are a spread of Ba–O bond distances ranging from 2.91–3.22 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.82–2.95 Å. There are four inequivalent Co+2.75+ sites. In the first Co+2.75+ site, Co+2.75+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent CoO6 octahedra, a cornercorner with one CoO4 tetrahedra, edges with three equivalent BaCl3O9 cuboctahedra, and a faceface with one BaO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 11–12°. There is two shorter (1.81 Å) and two longer (1.88 Å) Co–O bond length. In the second Co+2.75+ site, Co+2.75+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent PtO6 octahedra, a cornercorner with one CoO4 tetrahedra, and edges with three equivalent BaCl3O9 cuboctahedra. The corner-sharing octahedral tilt angles are 19°. There is one shorter (1.84 Å) and three longer (1.85 Å) Co–O bond length. In the third Co+2.75+ site, Co+2.75+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with three equivalent CoO4 tetrahedra, faces with four BaCl3O9 cuboctahedra, and a faceface with one CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.98–2.13 Å. In the fourth Co+2.75+ site, Co+2.75+ is bonded to six O2- atoms to form CoO6 octahedra that share faces with three equivalent BaO12 cuboctahedra, a faceface with one CoO6 octahedra, and a faceface with one PtO6 octahedra. There are a spread of Co–O bond distances ranging from 1.88–2.07 Å. Pt6+ is bonded to six O2- atoms to form PtO6 octahedra that share corners with three equivalent BaO12 cuboctahedra, corners with three equivalent CoO4 tetrahedra, a faceface with one BaCl3O9 cuboctahedra, and a faceface with one CoO6 octahedra. There are a spread of Pt–O bond distances ranging from 2.03–2.05 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+2.75+ atoms. In the second O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Co+2.75+ atoms. In the third O2- site, O2- is bonded in a linear geometry to three equivalent Ba2+, two Co+2.75+, and three equivalent Cl1- atoms. There are one shorter (3.35 Å) and two longer (3.36 Å) O–Cl bond lengths. In the fourth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two Co+2.75+ atoms. In the fifth O2- site, O2- is bonded in a distorted linear geometry to four Ba2+ and two Co+2.75+ atoms. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to three Ba2+, one Co+2.75+, and one Pt6+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to three Ba2+, one Co+2.75+, and one Pt6+ atom. In the eighth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+, one Co+2.75+, and one Pt6+ atom. In the ninth O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+, one Co+2.75+, and one Pt6+ atom. Cl1- is bonded in a 8-coordinate geometry to five Ba2+ and three equivalent O2- atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ba4La4Co8O17 by Materials Project

Ba4La4Co8O17 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are six inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.72–3.35 Å. In the second Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.95–3.28 Å. In the third Ba2+ site, Ba2+ is bonded in a 4-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.25 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.95–3.28 Å. In the fifth Ba2+ site, Ba2+ is bonded in a 4-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.79–3.24 Å. In the sixth Ba2+ site, Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.73–3.31 Å. There are four inequivalent La3+ sites. In the first La3+ site, La3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.40–2.58 Å. In the second La3+ site, La3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.40–2.60 Å. In the third La3+ site, La3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.37–2.72 Å. In the fourth La3+ site, La3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of La–O bond distances ranging from 2.36–2.72 Å. There are eight inequivalent Co+1.75+ sites. In the first Co+1.75+ site, Co+1.75+ is bonded to four O2- atoms to form CoO4 tetrahedra that share a cornercorner with one CoO5 square pyramid and corners with three CoO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.96–2.03 Å. In the second Co+1.75+ site, Co+1.75+ is bonded to four O2- atoms to form corner-sharing CoO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.93–2.02 Å. In the third Co+1.75+ site, Co+1.75+ is bonded to four O2- atoms to form corner-sharing CoO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.94–2.03 Å. In the fourth Co+1.75+ site, Co+1.75+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three CoO4 tetrahedra and a cornercorner with one CoO5 trigonal bipyramid. There are a spread of Co–O bond distances ranging from 1.96–2.03 Å. In the fifth Co+1.75+ site, Co+1.75+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Co–O bond distances ranging from 2.02–2.14 Å. In the sixth Co+1.75+ site, Co+1.75+ is bonded to five O2- atoms to form distorted CoO5 trigonal bipyramids that share a cornercorner with one CoO5 square pyramid and a cornercorner with one CoO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.96–2.31 Å. In the seventh Co+1.75+ site, Co+1.75+ is bonded to five O2- atoms to form distorted CoO5 square pyramids that share a cornercorner with one CoO4 tetrahedra and a cornercorner with one CoO5 trigonal bipyramid. There are a spread of Co–O bond distances ranging from 1.95–2.36 Å. In the eighth Co+1.75+ site, Co+1.75+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Co–O bond distances ranging from 2.02–2.17 Å. There are seventeen inequivalent O2- sites. In the first O2- site, O2- is bonded to four Ba2+ and two Co+1.75+ atoms to form distorted OBa4Co2 octahedra that share corners with eight OBa4Co2 octahedra, an edgeedge with one OBa4Co2 octahedra, and faces with two OBa2La2Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–64°. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the third O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the seventh O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the eleventh O2- site, O2- is bonded in a 5-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the twelfth O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the thirteenth O2- site, O2- is bonded in a 6-coordinate geometry to two Ba2+, two La3+, and two Co+1.75+ atoms. In the fourteenth O2- site, O2- is bonded to four Ba2+ and two Co+1.75+ atoms to form a mixture of distorted edge and corner-sharing OBa4Co2 octahedra. The corner-sharing octahedral tilt angles are 0°. In the fifteenth O2- site, O2- is bonded to four Ba2+ and two Co+1.75+ atoms to form a mixture of distorted edge and corner-sharing OBa4Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–5°. In the sixteenth O2- site, O2- is bonded to two Ba2+, two La3+, and two Co+1.75+ atoms to form distorted OBa2La2Co2 octahedra that share corners with four OBa4Co2 octahedra, edges with three equivalent OBa2La2Co2 octahedra, and a faceface with one OBa4Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–64°. In the seventeenth O2- site, O2- is bonded to two Ba2+, two La3+, and two Co+1.75+ atoms to form distorted OBa2La2Co2 octahedra that share corners with four OBa4Co2 octahedra, edges with three equivalent OBa2La2Co2 octahedra, and a faceface with one OBa4Co2 octahedra. The corner-sharing octahedra tilt angles range from 0–64°.

36 MATERIALS SCIENCE↗

Materials Data on Ca2Co2O5 by Materials Project

Ca2Co2O5 crystallizes in the monoclinic P2/c space group. The structure is three-dimensional. there are four inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.31–2.81 Å. In the second Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.30–2.91 Å. In the third Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.30–2.94 Å. In the fourth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.32–2.92 Å. There are six inequivalent Co3+ sites. In the first Co3+ site, Co3+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with two CoO6 octahedra and corners with two equivalent CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 34–38°. There are a spread of Co–O bond distances ranging from 1.81–1.95 Å. In the second Co3+ site, Co3+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with two CoO6 octahedra and corners with two equivalent CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 35–36°. There are a spread of Co–O bond distances ranging from 1.82–1.97 Å. In the third Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four equivalent CoO6 octahedra and corners with two equivalent CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 10–13°. There are a spread of Co–O bond distances ranging from 1.97–2.13 Å. In the fourth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four equivalent CoO6 octahedra and corners with two equivalent CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 12–15°. There are a spread of Co–O bond distances ranging from 1.92–2.05 Å. In the fifth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four equivalent CoO6 octahedra and corners with two equivalent CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 10–13°. There are a spread of Co–O bond distances ranging from 1.89–2.19 Å. In the sixth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four equivalent CoO6 octahedra and corners with two equivalent CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 12–15°. There are a spread of Co–O bond distances ranging from 1.95–2.00 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded to two Ca2+ and two Co3+ atoms to form distorted corner-sharing OCa2Co2 tetrahedra. In the second O2- site, O2- is bonded in a 6-coordinate geometry to four Ca2+ and two Co3+ atoms. In the third O2- site, O2- is bonded in a 6-coordinate geometry to four Ca2+ and two Co3+ atoms. In the fourth O2- site, O2- is bonded to two Ca2+ and two Co3+ atoms to form corner-sharing OCa2Co2 tetrahedra. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three Ca2+ and two Co3+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to three Ca2+ and two Co3+ atoms. In the seventh O2- site, O2- is bonded in a 5-coordinate geometry to three Ca2+ and two Co3+ atoms. In the eighth O2- site, O2- is bonded in a 6-coordinate geometry to four Ca2+ and two Co3+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to three Ca2+ and two Co3+ atoms. In the tenth O2- site, O2- is bonded in a 6-coordinate geometry to four Ca2+ and two Co3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Co3TeO6 by Materials Project

Co3TeO6 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are five inequivalent Co+2.67+ sites. In the first Co+2.67+ site, Co+2.67+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with two equivalent TeO6 octahedra, corners with two equivalent CoO4 tetrahedra, corners with two equivalent CoO5 trigonal bipyramids, and edges with two equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 47–63°. There are a spread of Co–O bond distances ranging from 2.08–2.17 Å. In the second Co+2.67+ site, Co+2.67+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Co–O bond distances ranging from 1.98–2.60 Å. In the third Co+2.67+ site, Co+2.67+ is bonded to five O2- atoms to form distorted CoO5 trigonal bipyramids that share corners with two CoO6 octahedra, corners with three equivalent TeO6 octahedra, a cornercorner with one CoO4 tetrahedra, an edgeedge with one CoO6 octahedra, an edgeedge with one TeO6 octahedra, and an edgeedge with one CoO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 47–77°. There are a spread of Co–O bond distances ranging from 1.95–2.21 Å. In the fourth Co+2.67+ site, Co+2.67+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share a cornercorner with one CoO6 octahedra, corners with two TeO6 octahedra, a cornercorner with one CoO4 tetrahedra, a cornercorner with one CoO5 trigonal bipyramid, an edgeedge with one CoO6 octahedra, edges with two equivalent TeO6 octahedra, and an edgeedge with one CoO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 24–63°. There are a spread of Co–O bond distances ranging from 2.00–2.40 Å. In the fifth Co+2.67+ site, Co+2.67+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with two CoO6 octahedra, corners with four TeO6 octahedra, a cornercorner with one CoO5 trigonal bipyramid, and an edgeedge with one CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 51–68°. There are a spread of Co–O bond distances ranging from 1.95–2.00 Å. There are two inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with two equivalent CoO6 octahedra, corners with two equivalent CoO4 tetrahedra, edges with two equivalent CoO6 octahedra, and edges with two equivalent CoO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 57°. There is two shorter (1.94 Å) and four longer (1.98 Å) Te–O bond length. In the second Te4+ site, Te4+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with two CoO6 octahedra, corners with three equivalent CoO4 tetrahedra, corners with three equivalent CoO5 trigonal bipyramids, and edges with two equivalent CoO6 octahedra. The corner-sharing octahedra tilt angles range from 24–47°. There are a spread of Te–O bond distances ranging from 1.95–2.00 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Co+2.67+ and one Te4+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Co+2.67+ and one Te4+ atom. In the third O2- site, O2- is bonded to three Co+2.67+ and one Te4+ atom to form a mixture of distorted corner and edge-sharing OCo3Te trigonal pyramids. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to three Co+2.67+ and one Te4+ atom. In the fifth O2- site, O2- is bonded to three Co+2.67+ and one Te4+ atom to form a mixture of distorted corner and edge-sharing OCo3Te tetrahedra. In the sixth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Co+2.67+ and one Te4+ atom. In the seventh O2- site, O2- is bonded in a trigonal planar geometry to two Co+2.67+ and one Te4+ atom. In the eighth O2- site, O2- is bonded in a trigonal planar geometry to two Co+2.67+ and one Te4+ atom. In the ninth O2- site, O2- is bonded to three Co+2.67+ and one Te4+ atom to form distorted corner-sharing OCo3Te tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on LiCo5O5F by Materials Project

LiCo5O5F is Stannite-like structured and crystallizes in the trigonal P3m1 space group. The structure is three-dimensional. Li1+ is bonded to one O2- and three equivalent F1- atoms to form LiOF3 tetrahedra that share corners with six equivalent LiOF3 tetrahedra and corners with six CoO4 tetrahedra. The Li–O bond length is 1.88 Å. All Li–F bond lengths are 2.04 Å. There are five inequivalent Co2+ sites. In the first Co2+ site, Co2+ is bonded to four O2- atoms to form corner-sharing CoO4 tetrahedra. There are three shorter (1.98 Å) and one longer (2.05 Å) Co–O bond lengths. In the second Co2+ site, Co2+ is bonded to four O2- atoms to form corner-sharing CoO4 tetrahedra. There are three shorter (1.98 Å) and one longer (2.04 Å) Co–O bond lengths. In the third Co2+ site, Co2+ is bonded to four O2- atoms to form corner-sharing CoO4 tetrahedra. There are three shorter (1.99 Å) and one longer (2.05 Å) Co–O bond lengths. In the fourth Co2+ site, Co2+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with three equivalent LiOF3 tetrahedra and corners with nine CoO4 tetrahedra. There are three shorter (2.00 Å) and one longer (2.04 Å) Co–O bond lengths. In the fifth Co2+ site, Co2+ is bonded to three equivalent O2- and one F1- atom to form CoO3F tetrahedra that share corners with three equivalent LiOF3 tetrahedra and corners with nine CoO4 tetrahedra. All Co–O bond lengths are 1.98 Å. The Co–F bond length is 2.01 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded to four Co2+ atoms to form corner-sharing OCo4 tetrahedra. In the second O2- site, O2- is bonded to one Li1+ and three equivalent Co2+ atoms to form OLiCo3 tetrahedra that share corners with three equivalent FLi3Co tetrahedra and corners with nine OCo4 tetrahedra. In the third O2- site, O2- is bonded to four Co2+ atoms to form OCo4 tetrahedra that share corners with three equivalent FLi3Co tetrahedra and corners with nine OCo4 tetrahedra. In the fourth O2- site, O2- is bonded to four Co2+ atoms to form corner-sharing OCo4 tetrahedra. In the fifth O2- site, O2- is bonded to four Co2+ atoms to form corner-sharing OCo4 tetrahedra. F1- is bonded to three equivalent Li1+ and one Co2+ atom to form FLi3Co tetrahedra that share corners with six OCo4 tetrahedra and corners with six equivalent FLi3Co tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on Li3Co2(SiO4)2 by Materials Project

Li3Co2(SiO4)2 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are three 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 LiO4 tetrahedra, corners with four CoO4 tetrahedra, and corners with four SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.94–2.16 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two equivalent LiO4 tetrahedra, corners with four CoO4 tetrahedra, and corners with four SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.94–2.12 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four LiO4 tetrahedra, corners with four CoO4 tetrahedra, and corners with four SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.95–2.10 Å. There are two inequivalent Co+2.50+ sites. In the first Co+2.50+ site, Co+2.50+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four SiO4 tetrahedra and corners with six LiO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.95–2.03 Å. In the second Co+2.50+ site, Co+2.50+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four SiO4 tetrahedra and corners with six LiO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.84–1.91 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 corners with four CoO4 tetrahedra and corners with six LiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.70 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four CoO4 tetrahedra and corners with six LiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.70 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Co+2.50+, and one Si4+ atom. In the second O2- site, O2- is bonded to two Li1+, one Co+2.50+, and one Si4+ atom to form corner-sharing OLi2CoSi tetrahedra. In the third O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Co+2.50+, and one Si4+ atom. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Co+2.50+, and one Si4+ atom. In the fifth O2- site, O2- is bonded to two Li1+, one Co+2.50+, and one Si4+ atom to form corner-sharing OLi2CoSi tetrahedra. In the sixth O2- site, O2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Co+2.50+, and one Si4+ atom. In the seventh O2- site, O2- is bonded to two Li1+, one Co+2.50+, and one Si4+ atom to form corner-sharing OLi2CoSi tetrahedra. In the eighth O2- site, O2- is bonded to two Li1+, one Co+2.50+, and one Si4+ atom to form corner-sharing OLi2CoSi tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on Li3Co2(SiO4)2 by Materials Project

Li3Co2(SiO4)2 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are three 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 LiO4 tetrahedra, corners with four CoO4 tetrahedra, and corners with four SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.92–2.09 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with two equivalent LiO4 tetrahedra, corners with four CoO4 tetrahedra, and corners with four SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 1.94–2.05 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with four LiO4 tetrahedra, corners with four CoO4 tetrahedra, and corners with four SiO4 tetrahedra. There are a spread of Li–O bond distances ranging from 2.02–2.12 Å. There are two inequivalent Co+2.50+ sites. In the first Co+2.50+ site, Co+2.50+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four SiO4 tetrahedra and corners with six LiO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.90–1.98 Å. In the second Co+2.50+ site, Co+2.50+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with four SiO4 tetrahedra and corners with six LiO4 tetrahedra. There are a spread of Co–O bond distances ranging from 1.86–1.97 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 corners with four CoO4 tetrahedra and corners with six LiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.62–1.68 Å. In the second Si4+ site, Si4+ is bonded to four O2- atoms to form SiO4 tetrahedra that share corners with four CoO4 tetrahedra and corners with six LiO4 tetrahedra. There are a spread of Si–O bond distances ranging from 1.63–1.67 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded to two Li1+, one Co+2.50+, and one Si4+ atom to form corner-sharing OLi2CoSi tetrahedra. In the second O2- site, O2- is bonded to two Li1+, one Co+2.50+, and one Si4+ atom to form corner-sharing OLi2CoSi tetrahedra. In the third O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Co+2.50+, and one Si4+ atom. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Co+2.50+, and one Si4+ atom. In the fifth O2- site, O2- is bonded in a trigonal planar geometry to one Li1+, one Co+2.50+, and one Si4+ atom. In the sixth O2- site, O2- is bonded in a trigonal non-coplanar geometry to one Li1+, one Co+2.50+, and one Si4+ atom. In the seventh O2- site, O2- is bonded to two Li1+, one Co+2.50+, and one Si4+ atom to form corner-sharing OLi2CoSi tetrahedra. In the eighth O2- site, O2- is bonded to two Li1+, one Co+2.50+, and one Si4+ atom to form corner-sharing OLi2CoSi tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on CoO2 by Materials Project

Lix0CoO2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Co4+ sites. In the first Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.79–1.99 Å. 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 1.89–1.91 Å. In the third 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 1.85–1.91 Å. In the fourth Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.79–1.99 Å. In the fifth 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 1.88–1.91 Å. In the sixth Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share a cornercorner with one CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.80–1.99 Å. In the seventh 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 1.86–1.91 Å. In the eighth 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 1.88–1.91 Å. In the ninth Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.87–1.90 Å. In the tenth Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.87–1.90 Å. In the eleventh Co4+ site, Co4+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with two equivalent CoO4 tetrahedra and edges with five CoO6 octahedra. There is two shorter (1.88 Å) and four longer (1.89 Å) Co–O bond length. In the twelfth Co4+ site, Co4+ is bonded to four O2- atoms to form corner-sharing CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 54–59°. There are a spread of Co–O bond distances ranging from 1.86–1.89 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to two Co4+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to two Co4+ atoms. In the third O2- site, O2- is bonded in a distorted T-shaped geometry to three Co4+ atoms. In the fourth O2- site, O2- is bonded in a water-like geometry to two Co4+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to three Co4+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Co4+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal pyramidal geometry to four Co4+ atoms. In the eighth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Co4+ atoms. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to three Co4+ atoms. In the tenth O2- site, O2- is bonded in a distorted T-shaped geometry to three Co4+ atoms. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to three Co4+ atoms. In the twelfth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three Co4+ atoms. In the thirteenth O2- site, O2- is bonded in a 3-coordinate geometry to three Co4+ atoms. In the fourteenth O2- site, O2- is bonded in a distorted T-shaped geometry to three Co4+ atoms. In the fifteenth O2- site, O2- is bonded in a distorted T-shaped geometry to three Co4+ atoms. In the sixteenth O2- site, O2- is bonded in a 3-coordinate geometry to three Co4+ atoms. In the seventeenth O2- site, O2- is bonded in a distorted T-shaped geometry to three Co4+ atoms. In the eighteenth O2- site, O2- is bonded in a 3-coordinate geometry to three Co4+ atoms. In the nineteenth O2- site, O2- is bonded in a 3-coordinate geometry to three Co4+ atoms. In the twentieth O2- site, O2- is bonded in a 3-coordinate geometry to three Co4+ atoms. In the twenty-first O2- site, O2- is bonded in a trigonal planar geometry to three Co4+ atoms. In the twenty-second O2- site, O2- is bonded in a trigonal planar geometry to three Co4+ atoms. In the twenty-third O2- site, O2- is bonded in a 3-coordinate geometry to three Co4+ atoms. In the twenty-fourth O2- site, O2- is bonded in a trigonal planar geometry to three Co4+ atoms.

36 MATERIALS SCIENCE↗