Li2Co3SbO8 is Spinel-derived structured and crystallizes in the hexagonal P6_3mc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(3) and three equivalent O(2) atoms to form LiO4 tetrahedra that share corners with three equivalent Sb(1)O6 octahedra and corners with nine equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 59-61°. In the second Li site, Li(2) is bonded to one O(4) and three equivalent O(1) atoms to form distorted LiO4 trigonal pyramids that share corners with three equivalent Co(1)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-63°. Co(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form CoO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sb(1)O6 octahedra, edges with four equivalent Co(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. Sb(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form SbO6 octahedra that share corners with six equivalent Co(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 trigonal pyramids, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(2), two equivalent Co(1), and one Sb(1) atom. In the second O site, O(2) is bonded to one Li(1), two equivalent Co(1), and one Sb(1) atom to form distorted OLiCo2Sb tetrahedra that share corners with two equivalent O(2)LiCo2Sb tetrahedra, corners with two equivalent O(4)LiCo3 tetrahedra,  a cornercorner with one O(3)LiCo3 trigonal pyramid, edges with two equivalent O(2)LiCo2Sb tetrahedra, and  an edgeedge with one O(3)LiCo3 trigonal pyramid. In the third O site, O(3) is bonded to one Li(1) and three equivalent Co(1) atoms to form distorted OLiCo3 trigonal pyramids that share corners with three equivalent O(2)LiCo2Sb tetrahedra, corners with three equivalent O(4)LiCo3 tetrahedra, and edges with three equivalent O(2)LiCo2Sb tetrahedra. In the fourth O site, O(4) is bonded to one Li(2) and three equivalent Co(1) atoms to form OLiCo3 tetrahedra that share corners with six equivalent O(2)LiCo2Sb tetrahedra and corners with three equivalent O(3)LiCo3 trigonal pyramids.
Li2Co3SbO8 is Spinel-derived structured and crystallizes in the hexagonal P6_3mc space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(3) and three equivalent O(2) atoms to form LiO4 tetrahedra that share corners with three equivalent Sb(1)O6 octahedra and corners with nine equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 59-61°. The Li(1)-O(3) bond length is 2.02 Å. All Li(1)-O(2) bond lengths are 1.92 Å. In the second Li site, Li(2) is bonded to one O(4) and three equivalent O(1) atoms to form distorted LiO4 trigonal pyramids that share corners with three equivalent Co(1)O6 octahedra, corners with three equivalent Sb(1)O6 octahedra, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-63°. The Li(2)-O(4) bond length is 1.76 Å. All Li(2)-O(1) bond lengths are 1.88 Å. Co(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form CoO6 octahedra that share corners with two equivalent Sb(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sb(1)O6 octahedra, edges with four equivalent Co(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. The Co(1)-O(3) bond length is 1.89 Å. The Co(1)-O(4) bond length is 1.91 Å. Both Co(1)-O(1) bond lengths are 1.98 Å. Both Co(1)-O(2) bond lengths are 1.93 Å. Sb(1) is bonded to three equivalent O(1) and three equivalent O(2) atoms to form SbO6 octahedra that share corners with six equivalent Co(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 trigonal pyramids, and edges with three equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. All Sb(1)-O(1) bond lengths are 2.00 Å. All Sb(1)-O(2) bond lengths are 2.08 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(2), two equivalent Co(1), and one Sb(1) atom. In the second O site, O(2) is bonded to one Li(1), two equivalent Co(1), and one Sb(1) atom to form distorted OLiCo2Sb tetrahedra that share corners with two equivalent O(2)LiCo2Sb tetrahedra, corners with two equivalent O(4)LiCo3 tetrahedra,  a cornercorner with one O(3)LiCo3 trigonal pyramid, edges with two equivalent O(2)LiCo2Sb tetrahedra, and  an edgeedge with one O(3)LiCo3 trigonal pyramid. In the third O site, O(3) is bonded to one Li(1) and three equivalent Co(1) atoms to form distorted OLiCo3 trigonal pyramids that share corners with three equivalent O(2)LiCo2Sb tetrahedra, corners with three equivalent O(4)LiCo3 tetrahedra, and edges with three equivalent O(2)LiCo2Sb tetrahedra. In the fourth O site, O(4) is bonded to one Li(2) and three equivalent Co(1) atoms to form OLiCo3 tetrahedra that share corners with six equivalent O(2)LiCo2Sb tetrahedra and corners with three equivalent O(3)LiCo3 trigonal pyramids.