Li8Cr3SbO12 is Caswellsilverite-derived structured and crystallizes in the monoclinic P2 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(7)O6 octahedra, corners with two equivalent Li(8)O6 octahedra, corners with four equivalent Li(4)O6 octahedra, corners with four equivalent Cr(3)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, and faces with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-50°. In the second Li site, Li(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(5)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, corners with four equivalent Li(8)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and faces with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. In the third Li site, Li(3) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Li(5)O6 octahedra, corners with four equivalent Li(7)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and faces with two equivalent Cr(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-50°. In the fourth Li site, Li(4) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Cr(2)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, and faces with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-54°. In the fifth Li site, Li(5) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with four equivalent Li(6)O6 octahedra, corners with four equivalent Cr(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and faces with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-52°. In the sixth Li site, Li(6) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(8)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with four equivalent Li(5)O6 octahedra, corners with four equivalent Cr(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and faces with two equivalent Li(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-52°. In the seventh Li site, Li(7) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with four equivalent Li(3)O6 octahedra, corners with four equivalent Cr(1)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Cr(3)O6 octahedra, and faces with two equivalent Li(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. In the eighth Li site, Li(8) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form distorted LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(6)O6 octahedra, corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Cr(1)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and faces with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-52°. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form CrO6 octahedra that share corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, corners with four equivalent Li(7)O6 octahedra, corners with four equivalent Li(8)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and faces with two equivalent Li(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-51°. In the second Cr site, Cr(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form CrO6 octahedra that share corners with two equivalent Li(7)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with four equivalent Li(4)O6 octahedra, corners with four equivalent Li(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and faces with two equivalent Li(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-54°. In the third Cr site, Cr(3) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form CrO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Li(6)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, and faces with two equivalent Li(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-52°. Sb(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Li(6)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Li(3)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Cr(3)O6 octahedra, and faces with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-51°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Li(4), one Li(8), one Cr(2), and one Sb(1) atom to form distorted OLi4CrSb pentagonal pyramids that share corners with two equivalent O(3)Li4Cr2 pentagonal pyramids, corners with two equivalent O(1)Li4CrSb pentagonal pyramids, corners with two equivalent O(2)Li4CrSb pentagonal pyramids,  an edgeedge with one O(3)Li4Cr2 pentagonal pyramid,  an edgeedge with one O(2)Li4CrSb pentagonal pyramid, edges with two equivalent O(1)Li4CrSb pentagonal pyramids, and edges with four equivalent O(5)Li4CrSb pentagonal pyramids. In the second O site, O(2) is bonded to one Li(1), one Li(3), one Li(6), one Li(7), one Cr(3), and one Sb(1) atom to form distorted OLi4CrSb pentagonal pyramids that share corners with two equivalent O(3)Li4Cr2 pentagonal pyramids, corners with two equivalent O(1)Li4CrSb pentagonal pyramids, corners with two equivalent O(2)Li4CrSb pentagonal pyramids,  an edgeedge with one O(3)Li4Cr2 pentagonal pyramid,  an edgeedge with one O(1)Li4CrSb pentagonal pyramid, edges with two equivalent O(2)Li4CrSb pentagonal pyramids, edges with four equivalent O(6)Li4Cr2 pentagonal pyramids, and edges with four equivalent O(5)Li4CrSb pentagonal pyramids. In the third O site, O(3) is bonded to one Li(5), one Li(6), one Li(7), one Li(8), one Cr(1), and one Cr(2) atom to form distorted OLi4Cr2 pentagonal pyramids that share corners with two equivalent O(3)Li4Cr2 pentagonal pyramids, corners with two equivalent O(1)Li4CrSb pentagonal pyramids, corners with two equivalent O(2)Li4CrSb pentagonal pyramids,  an edgeedge with one O(1)Li4CrSb pentagonal pyramid,  an edgeedge with one O(2)Li4CrSb pentagonal pyramid, edges with two equivalent O(3)Li4Cr2 pentagonal pyramids, and edges with four equivalent O(6)Li4Cr2 pentagonal pyramids. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one Li(2), one Li(4), one Li(5), one Li(8), one Cr(1), and one Cr(2) atom. In the fifth O site, O(5) is bonded to one Li(1), one Li(2), one Li(3), one Li(4), one Cr(3), and one Sb(1) atom to form distorted OLi4CrSb pentagonal pyramids that share corners with two equivalent O(6)Li4Cr2 pentagonal pyramids, corners with two equivalent O(5)Li4CrSb pentagonal pyramids,  an edgeedge with one O(6)Li4Cr2 pentagonal pyramid, edges with two equivalent O(5)Li4CrSb pentagonal pyramids, edges with four equivalent O(1)Li4CrSb pentagonal pyramids, and edges with four equivalent O(2)Li4CrSb pentagonal pyramids. In the sixth O site, O(6) is bonded to one Li(3), one Li(5), one Li(6), one Li(7), one Cr(1), and one Cr(3) atom to form distorted OLi4Cr2 pentagonal pyramids that share corners with two equivalent O(6)Li4Cr2 pentagonal pyramids, corners with two equivalent O(5)Li4CrSb pentagonal pyramids,  an edgeedge with one O(5)Li4CrSb pentagonal pyramid, edges with two equivalent O(6)Li4Cr2 pentagonal pyramids, edges with four equivalent O(3)Li4Cr2 pentagonal pyramids, and edges with four equivalent O(2)Li4CrSb pentagonal pyramids.
Li8Cr3SbO12 is Caswellsilverite-derived structured and crystallizes in the monoclinic P2 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(7)O6 octahedra, corners with two equivalent Li(8)O6 octahedra, corners with four equivalent Li(4)O6 octahedra, corners with four equivalent Cr(3)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, and faces with two equivalent Sb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-50°. Both Li(1)-O(1) bond lengths are 2.12 Å. Both Li(1)-O(2) bond lengths are 2.07 Å. Both Li(1)-O(5) bond lengths are 2.19 Å. In the second Li site, Li(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(5)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, corners with four equivalent Li(8)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and faces with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. Both Li(2)-O(1) bond lengths are 2.18 Å. Both Li(2)-O(4) bond lengths are 2.11 Å. Both Li(2)-O(5) bond lengths are 2.15 Å. In the third Li site, Li(3) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Li(5)O6 octahedra, corners with four equivalent Li(7)O6 octahedra, corners with four equivalent Sb(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and faces with two equivalent Cr(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-50°. Both Li(3)-O(2) bond lengths are 2.18 Å. Both Li(3)-O(5) bond lengths are 2.08 Å. Both Li(3)-O(6) bond lengths are 2.10 Å. In the fourth Li site, Li(4) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Cr(2)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, and faces with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-54°. Both Li(4)-O(1) bond lengths are 2.19 Å. Both Li(4)-O(4) bond lengths are 2.17 Å. Both Li(4)-O(5) bond lengths are 2.18 Å. In the fifth Li site, Li(5) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Li(3)O6 octahedra, corners with four equivalent Li(6)O6 octahedra, corners with four equivalent Cr(2)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and faces with two equivalent Cr(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-52°. Both Li(5)-O(3) bond lengths are 2.14 Å. Both Li(5)-O(4) bond lengths are 2.10 Å. Both Li(5)-O(6) bond lengths are 2.10 Å. In the sixth Li site, Li(6) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(8)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with four equivalent Li(5)O6 octahedra, corners with four equivalent Cr(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and faces with two equivalent Li(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-52°. Both Li(6)-O(2) bond lengths are 2.12 Å. Both Li(6)-O(3) bond lengths are 2.14 Å. Both Li(6)-O(6) bond lengths are 2.17 Å. In the seventh Li site, Li(7) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with four equivalent Li(3)O6 octahedra, corners with four equivalent Cr(1)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Cr(3)O6 octahedra, and faces with two equivalent Li(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. Both Li(7)-O(2) bond lengths are 2.13 Å. Both Li(7)-O(3) bond lengths are 2.15 Å. Both Li(7)-O(6) bond lengths are 2.20 Å. In the eighth Li site, Li(8) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form distorted LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(6)O6 octahedra, corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Cr(1)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and faces with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-52°. Both Li(8)-O(1) bond lengths are 2.15 Å. Both Li(8)-O(3) bond lengths are 2.05 Å. Both Li(8)-O(4) bond lengths are 2.19 Å. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form CrO6 octahedra that share corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, corners with four equivalent Li(7)O6 octahedra, corners with four equivalent Li(8)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and faces with two equivalent Li(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-51°. Both Cr(1)-O(3) bond lengths are 1.99 Å. Both Cr(1)-O(4) bond lengths are 1.97 Å. Both Cr(1)-O(6) bond lengths are 1.90 Å. In the second Cr site, Cr(2) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form CrO6 octahedra that share corners with two equivalent Li(7)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with four equivalent Li(4)O6 octahedra, corners with four equivalent Li(5)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and faces with two equivalent Li(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-54°. Both Cr(2)-O(1) bond lengths are 2.04 Å. Both Cr(2)-O(3) bond lengths are 1.92 Å. Both Cr(2)-O(4) bond lengths are 1.97 Å. In the third Cr site, Cr(3) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form CrO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Li(6)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, and faces with two equivalent Li(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-52°. Both Cr(3)-O(2) bond lengths are 2.00 Å. Both Cr(3)-O(5) bond lengths are 2.06 Å. Both Cr(3)-O(6) bond lengths are 2.02 Å. Sb(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form SbO6 octahedra that share corners with two equivalent Li(6)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Li(3)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Cr(3)O6 octahedra, and faces with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 42-51°. Both Sb(1)-O(1) bond lengths are 2.02 Å. Both Sb(1)-O(2) bond lengths are 2.03 Å. Both Sb(1)-O(5) bond lengths are 2.00 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Li(4), one Li(8), one Cr(2), and one Sb(1) atom to form distorted OLi4CrSb pentagonal pyramids that share corners with two equivalent O(3)Li4Cr2 pentagonal pyramids, corners with two equivalent O(1)Li4CrSb pentagonal pyramids, corners with two equivalent O(2)Li4CrSb pentagonal pyramids,  an edgeedge with one O(3)Li4Cr2 pentagonal pyramid,  an edgeedge with one O(2)Li4CrSb pentagonal pyramid, edges with two equivalent O(1)Li4CrSb pentagonal pyramids, and edges with four equivalent O(5)Li4CrSb pentagonal pyramids. In the second O site, O(2) is bonded to one Li(1), one Li(3), one Li(6), one Li(7), one Cr(3), and one Sb(1) atom to form distorted OLi4CrSb pentagonal pyramids that share corners with two equivalent O(3)Li4Cr2 pentagonal pyramids, corners with two equivalent O(1)Li4CrSb pentagonal pyramids, corners with two equivalent O(2)Li4CrSb pentagonal pyramids,  an edgeedge with one O(3)Li4Cr2 pentagonal pyramid,  an edgeedge with one O(1)Li4CrSb pentagonal pyramid, edges with two equivalent O(2)Li4CrSb pentagonal pyramids, edges with four equivalent O(6)Li4Cr2 pentagonal pyramids, and edges with four equivalent O(5)Li4CrSb pentagonal pyramids. In the third O site, O(3) is bonded to one Li(5), one Li(6), one Li(7), one Li(8), one Cr(1), and one Cr(2) atom to form distorted OLi4Cr2 pentagonal pyramids that share corners with two equivalent O(3)Li4Cr2 pentagonal pyramids, corners with two equivalent O(1)Li4CrSb pentagonal pyramids, corners with two equivalent O(2)Li4CrSb pentagonal pyramids,  an edgeedge with one O(1)Li4CrSb pentagonal pyramid,  an edgeedge with one O(2)Li4CrSb pentagonal pyramid, edges with two equivalent O(3)Li4Cr2 pentagonal pyramids, and edges with four equivalent O(6)Li4Cr2 pentagonal pyramids. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one Li(2), one Li(4), one Li(5), one Li(8), one Cr(1), and one Cr(2) atom. In the fifth O site, O(5) is bonded to one Li(1), one Li(2), one Li(3), one Li(4), one Cr(3), and one Sb(1) atom to form distorted OLi4CrSb pentagonal pyramids that share corners with two equivalent O(6)Li4Cr2 pentagonal pyramids, corners with two equivalent O(5)Li4CrSb pentagonal pyramids,  an edgeedge with one O(6)Li4Cr2 pentagonal pyramid, edges with two equivalent O(5)Li4CrSb pentagonal pyramids, edges with four equivalent O(1)Li4CrSb pentagonal pyramids, and edges with four equivalent O(2)Li4CrSb pentagonal pyramids. In the sixth O site, O(6) is bonded to one Li(3), one Li(5), one Li(6), one Li(7), one Cr(1), and one Cr(3) atom to form distorted OLi4Cr2 pentagonal pyramids that share corners with two equivalent O(6)Li4Cr2 pentagonal pyramids, corners with two equivalent O(5)Li4CrSb pentagonal pyramids,  an edgeedge with one O(5)Li4CrSb pentagonal pyramid, edges with two equivalent O(6)Li4Cr2 pentagonal pyramids, edges with four equivalent O(3)Li4Cr2 pentagonal pyramids, and edges with four equivalent O(2)Li4CrSb pentagonal pyramids.