DOI: 10.17188/1301648
title: Materials Data on Li6Cr3Sb3O16 by Materials Project

description: Li6Cr3Sb3O16 is Spinel-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are six 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 CrO6 octahedra, corners with four equivalent SbO6 octahedra, corners with three equivalent LiO4 tetrahedra, an edgeedge with one SbO6 octahedra, and edges with two equivalent CrO6 octahedra. The corner-sharing octahedra tilt angles range from 54–55°. There are a spread of Li–O bond distances ranging from 2.15–2.43 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three equivalent LiO6 octahedra, corners with four CrO6 octahedra, and corners with five SbO6 octahedra. The corner-sharing octahedra tilt angles range from 57–67°. There are a spread of Li–O bond distances ranging from 1.99–2.17 Å. In the third Li1+ site, Li1+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.82–1.96 Å. In the fourth Li1+ site, Li1+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.80–2.04 Å. In the fifth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with two equivalent SbO6 octahedra, corners with four equivalent CrO6 octahedra, corners with three equivalent LiO4 tetrahedra, an edgeedge with one CrO6 octahedra, and edges with two equivalent SbO6 octahedra. The corner-sharing octahedra tilt angles range from 53–57°. There are a spread of Li–O bond distances ranging from 2.21–2.39 Å. In the sixth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three equivalent LiO6 octahedra, corners with four SbO6 octahedra, and corners with five CrO6 octahedra. The corner-sharing octahedra tilt angles range from 57–71°. There are a spread of Li–O bond distances ranging from 2.00–2.23 Å. There are two inequivalent Cr5+ sites. In the first Cr5+ site, Cr5+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with three LiO4 tetrahedra, an edgeedge with one LiO6 octahedra, edges with two equivalent CrO6 octahedra, and edges with two equivalent SbO6 octahedra. The corner-sharing octahedra tilt angles range from 53–54°. There are a spread of Cr–O bond distances ranging from 1.92–2.06 Å. In the second Cr5+ site, Cr5+ is bonded to six O2- atoms to form CrO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with three LiO4 tetrahedra, an edgeedge with one LiO6 octahedra, and edges with four equivalent SbO6 octahedra. The corner-sharing octahedral tilt angles are 54°. There are a spread of Cr–O bond distances ranging from 2.02–2.07 Å. There are two inequivalent Sb+3.67+ sites. In the first Sb+3.67+ site, Sb+3.67+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with three LiO4 tetrahedra, an edgeedge with one LiO6 octahedra, and edges with four equivalent CrO6 octahedra. The corner-sharing octahedral tilt angles are 57°. There are a spread of Sb–O bond distances ranging from 2.00–2.04 Å. In the second Sb+3.67+ site, Sb+3.67+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent LiO6 octahedra, corners with three LiO4 tetrahedra, an edgeedge with one LiO6 octahedra, edges with two equivalent CrO6 octahedra, and edges with two equivalent SbO6 octahedra. The corner-sharing octahedra tilt angles range from 54–55°. There are a spread of Sb–O bond distances ranging from 1.96–2.08 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+, one Cr5+, and one Sb+3.67+ atom. In the second O2- site, O2- is bonded to two Li1+ and two equivalent Cr5+ atoms to form distorted OLi2Cr2 tetrahedra that share corners with two equivalent OLi2CrSb tetrahedra, corners with two equivalent OLi2Cr2 trigonal pyramids, edges with two equivalent OLi2CrSb tetrahedra, and an edgeedge with one OLiCr2Sb trigonal pyramid. In the third O2- site, O2- is bonded to one Li1+, two equivalent Cr5+, and one Sb+3.67+ atom to form distorted OLiCr2Sb trigonal pyramids that share corners with two equivalent OLi2CrSb tetrahedra, corners with two equivalent OLi2Cr2 trigonal pyramids, and edges with three OLi2Cr2 tetrahedra. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to one Li1+, two equivalent Cr5+, and one Sb+3.67+ atom. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, one Cr5+, and two equivalent Sb+3.67+ atoms. In the sixth O2- site, O2- is bonded to two Li1+, one Cr5+, and one Sb+3.67+ atom to form distorted OLi2CrSb tetrahedra that share corners with two OLi2Cr2 tetrahedra, a cornercorner with one OLi2Cr2 trigonal pyramid, edges with two OLi2Cr2 tetrahedra, and an edgeedge with one OLiCr2Sb trigonal pyramid. In the seventh O2- site, O2- is bonded to two Li1+ and two equivalent Cr5+ atoms to form distorted OLi2Cr2 trigonal pyramids that share corners with six OLi2CrSb tetrahedra and corners with two equivalent OLiCr2Sb trigonal pyramids. In the eighth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Li1+ and two equivalent Sb+3.67+ atoms. In the ninth O2- site, O2- is bonded to two Li1+, one Cr5+, and one Sb+3.67+ atom to form distorted OLi2CrSb tetrahedra that share a cornercorner with one OLi2CrSb tetrahedra, corners with two OLi2Cr2 trigonal pyramids, and an edgeedge with one OLi2CrSb tetrahedra. In the tenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, one Cr5+, and two equivalent Sb+3.67+ atoms. In the eleventh O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+, one Cr5+, and one Sb+3.67+ atom. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+ and two equivalent Sb+3.67+ atoms.