Li8Cr3SbO12 is Caswellsilverite-derived structured and crystallizes in the triclinic P1 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(11), one O(12), one O(2), one O(5), and one O(8) atom to form distorted 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 one O(1), one O(12), one O(4), one O(5), one O(8), and one O(9) atom 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 47-54°. In the third Li site, Li(3) is bonded to one O(11), one O(2), one O(5), one O(6), one O(7), and one O(8) atom 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 41-50°. In the fourth Li site, Li(4) is bonded to one O(1), one O(12), one O(4), one O(5), one O(8), and one O(9) atom 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 45-55°. In the fifth Li site, Li(5) is bonded to one O(10), one O(3), one O(4), one O(6), one O(7), and one O(9) atom 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 41-54°. In the sixth Li site, Li(6) is bonded to one O(10), one O(11), one O(2), one O(3), one O(6), and one O(7) atom 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 46-53°. In the seventh Li site, Li(7) is bonded to one O(10), one O(11), one O(2), one O(3), one O(6), and one O(7) atom 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 47-54°. In the eighth Li site, Li(8) is bonded to one O(1), one O(10), one O(12), one O(3), one O(4), and one O(9) atom 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 37-53°. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(10), one O(3), one O(4), one O(6), one O(7), and one O(9) atom 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 37-53°. In the second Cr site, Cr(2) is bonded to one O(1), one O(10), one O(12), one O(3), one O(4), and one O(9) atom 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 41-55°. In the third Cr site, Cr(3) is bonded to one O(11), one O(2), one O(5), one O(6), one O(7), and one O(8) atom 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 one O(1), one O(11), one O(12), one O(2), one O(5), and one O(8) atom 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 41-52°. There are twelve 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(11)Li4CrSb pentagonal pyramids, corners with two equivalent O(12)Li4CrSb pentagonal pyramids,  an edgeedge with one O(3)Li4Cr2 pentagonal pyramid, edges with two equivalent O(12)Li4CrSb pentagonal pyramids, and edges with two equivalent O(5)Li4CrSb pentagonal pyramids. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Li(1), one Li(3), one Li(6), one Li(7), one Cr(3), and one Sb(1) atom. 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(11)Li4CrSb pentagonal pyramids, corners with two equivalent O(12)Li4CrSb pentagonal pyramids,  an edgeedge with one O(1)Li4CrSb pentagonal pyramid, edges with two equivalent O(6)Li4Cr2 pentagonal pyramids, and edges with two equivalent O(7)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(7)Li4Cr2 pentagonal pyramids,  an edgeedge with one O(6)Li4Cr2 pentagonal pyramid, edges with two equivalent O(1)Li4CrSb pentagonal pyramids, edges with two equivalent O(11)Li4CrSb pentagonal pyramids, and edges with two equivalent O(12)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(7)Li4Cr2 pentagonal pyramids,  an edgeedge with one O(5)Li4CrSb pentagonal pyramid, edges with two equivalent O(3)Li4Cr2 pentagonal pyramids, edges with two equivalent O(7)Li4Cr2 pentagonal pyramids, and edges with two equivalent O(11)Li4CrSb pentagonal pyramids. In the seventh O site, O(7) 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, edges with two equivalent O(3)Li4Cr2 pentagonal pyramids, edges with two equivalent O(6)Li4Cr2 pentagonal pyramids, and edges with two equivalent O(11)Li4CrSb pentagonal pyramids. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Li(1), one Li(2), one Li(3), one Li(4), one Cr(3), and one Sb(1) atom. In the ninth O site, O(9) 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 tenth O site, O(10) is bonded in a 6-coordinate geometry to one Li(5), one Li(6), one Li(7), one Li(8), one Cr(1), and one Cr(2) atom. In the eleventh O site, O(11) 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,  an edgeedge with one O(12)Li4CrSb pentagonal pyramid, edges with two equivalent O(6)Li4Cr2 pentagonal pyramids, edges with two equivalent O(7)Li4Cr2 pentagonal pyramids, and edges with two equivalent O(5)Li4CrSb pentagonal pyramids. In the twelfth O site, O(12) 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,  an edgeedge with one O(11)Li4CrSb pentagonal pyramid, edges with two equivalent O(1)Li4CrSb pentagonal pyramids, and edges with two equivalent O(5)Li4CrSb pentagonal pyramids.
Li8Cr3SbO12 is Caswellsilverite-derived structured and crystallizes in the triclinic P1 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(11), one O(12), one O(2), one O(5), and one O(8) atom to form distorted 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°. The Li(1)-O(1) bond length is 2.14 Å. The Li(1)-O(11) bond length is 2.07 Å. The Li(1)-O(12) bond length is 2.15 Å. The Li(1)-O(2) bond length is 2.05 Å. The Li(1)-O(5) bond length is 2.19 Å. The Li(1)-O(8) bond length is 2.20 Å. In the second Li site, Li(2) is bonded to one O(1), one O(12), one O(4), one O(5), one O(8), and one O(9) atom 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 47-54°. The Li(2)-O(1) bond length is 2.23 Å. The Li(2)-O(12) bond length is 2.17 Å. The Li(2)-O(4) bond length is 2.12 Å. The Li(2)-O(5) bond length is 2.17 Å. The Li(2)-O(8) bond length is 2.11 Å. The Li(2)-O(9) bond length is 2.11 Å. In the third Li site, Li(3) is bonded to one O(11), one O(2), one O(5), one O(6), one O(7), and one O(8) atom 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 41-50°. The Li(3)-O(11) bond length is 2.18 Å. The Li(3)-O(2) bond length is 2.19 Å. The Li(3)-O(5) bond length is 2.08 Å. The Li(3)-O(6) bond length is 2.13 Å. The Li(3)-O(7) bond length is 2.10 Å. The Li(3)-O(8) bond length is 2.08 Å. In the fourth Li site, Li(4) is bonded to one O(1), one O(12), one O(4), one O(5), one O(8), and one O(9) atom 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 45-55°. The Li(4)-O(1) bond length is 2.19 Å. The Li(4)-O(12) bond length is 2.14 Å. The Li(4)-O(4) bond length is 2.21 Å. The Li(4)-O(5) bond length is 2.18 Å. The Li(4)-O(8) bond length is 2.18 Å. The Li(4)-O(9) bond length is 2.17 Å. In the fifth Li site, Li(5) is bonded to one O(10), one O(3), one O(4), one O(6), one O(7), and one O(9) atom 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 41-54°. The Li(5)-O(10) bond length is 2.15 Å. The Li(5)-O(3) bond length is 2.15 Å. The Li(5)-O(4) bond length is 2.10 Å. The Li(5)-O(6) bond length is 2.08 Å. The Li(5)-O(7) bond length is 2.12 Å. The Li(5)-O(9) bond length is 2.16 Å. In the sixth Li site, Li(6) is bonded to one O(10), one O(11), one O(2), one O(3), one O(6), and one O(7) atom 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 46-53°. The Li(6)-O(10) bond length is 2.15 Å. The Li(6)-O(11) bond length is 2.11 Å. The Li(6)-O(2) bond length is 2.14 Å. The Li(6)-O(3) bond length is 2.11 Å. The Li(6)-O(6) bond length is 2.16 Å. The Li(6)-O(7) bond length is 2.18 Å. In the seventh Li site, Li(7) is bonded to one O(10), one O(11), one O(2), one O(3), one O(6), and one O(7) atom 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 47-54°. The Li(7)-O(10) bond length is 2.18 Å. The Li(7)-O(11) bond length is 2.17 Å. The Li(7)-O(2) bond length is 2.13 Å. The Li(7)-O(3) bond length is 2.14 Å. The Li(7)-O(6) bond length is 2.18 Å. The Li(7)-O(7) bond length is 2.18 Å. In the eighth Li site, Li(8) is bonded to one O(1), one O(10), one O(12), one O(3), one O(4), and one O(9) atom 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 37-53°. The Li(8)-O(1) bond length is 2.14 Å. The Li(8)-O(10) bond length is 2.07 Å. The Li(8)-O(12) bond length is 2.13 Å. The Li(8)-O(3) bond length is 2.05 Å. The Li(8)-O(4) bond length is 2.23 Å. The Li(8)-O(9) bond length is 2.13 Å. There are three inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(10), one O(3), one O(4), one O(6), one O(7), and one O(9) atom 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 37-53°. The Cr(1)-O(10) bond length is 2.02 Å. The Cr(1)-O(3) bond length is 1.98 Å. The Cr(1)-O(4) bond length is 2.04 Å. The Cr(1)-O(6) bond length is 1.92 Å. The Cr(1)-O(7) bond length is 1.89 Å. The Cr(1)-O(9) bond length is 1.95 Å. In the second Cr site, Cr(2) is bonded to one O(1), one O(10), one O(12), one O(3), one O(4), and one O(9) atom 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 41-55°. The Cr(2)-O(1) bond length is 2.01 Å. The Cr(2)-O(10) bond length is 1.89 Å. The Cr(2)-O(12) bond length is 2.08 Å. The Cr(2)-O(3) bond length is 1.96 Å. The Cr(2)-O(4) bond length is 1.88 Å. The Cr(2)-O(9) bond length is 2.01 Å. In the third Cr site, Cr(3) is bonded to one O(11), one O(2), one O(5), one O(6), one O(7), and one O(8) atom 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°. The Cr(3)-O(11) bond length is 2.01 Å. The Cr(3)-O(2) bond length is 2.01 Å. The Cr(3)-O(5) bond length is 2.06 Å. The Cr(3)-O(6) bond length is 2.02 Å. The Cr(3)-O(7) bond length is 2.02 Å. The Cr(3)-O(8) bond length is 2.06 Å. Sb(1) is bonded to one O(1), one O(11), one O(12), one O(2), one O(5), and one O(8) atom 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 41-52°. The Sb(1)-O(1) bond length is 2.03 Å. The Sb(1)-O(11) bond length is 2.03 Å. The Sb(1)-O(12) bond length is 2.01 Å. The Sb(1)-O(2) bond length is 2.03 Å. The Sb(1)-O(5) bond length is 2.00 Å. The Sb(1)-O(8) bond length is 2.00 Å. There are twelve 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(11)Li4CrSb pentagonal pyramids, corners with two equivalent O(12)Li4CrSb pentagonal pyramids,  an edgeedge with one O(3)Li4Cr2 pentagonal pyramid, edges with two equivalent O(12)Li4CrSb pentagonal pyramids, and edges with two equivalent O(5)Li4CrSb pentagonal pyramids. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Li(1), one Li(3), one Li(6), one Li(7), one Cr(3), and one Sb(1) atom. 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(11)Li4CrSb pentagonal pyramids, corners with two equivalent O(12)Li4CrSb pentagonal pyramids,  an edgeedge with one O(1)Li4CrSb pentagonal pyramid, edges with two equivalent O(6)Li4Cr2 pentagonal pyramids, and edges with two equivalent O(7)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(7)Li4Cr2 pentagonal pyramids,  an edgeedge with one O(6)Li4Cr2 pentagonal pyramid, edges with two equivalent O(1)Li4CrSb pentagonal pyramids, edges with two equivalent O(11)Li4CrSb pentagonal pyramids, and edges with two equivalent O(12)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(7)Li4Cr2 pentagonal pyramids,  an edgeedge with one O(5)Li4CrSb pentagonal pyramid, edges with two equivalent O(3)Li4Cr2 pentagonal pyramids, edges with two equivalent O(7)Li4Cr2 pentagonal pyramids, and edges with two equivalent O(11)Li4CrSb pentagonal pyramids. In the seventh O site, O(7) 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, edges with two equivalent O(3)Li4Cr2 pentagonal pyramids, edges with two equivalent O(6)Li4Cr2 pentagonal pyramids, and edges with two equivalent O(11)Li4CrSb pentagonal pyramids. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Li(1), one Li(2), one Li(3), one Li(4), one Cr(3), and one Sb(1) atom. In the ninth O site, O(9) 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 tenth O site, O(10) is bonded in a 6-coordinate geometry to one Li(5), one Li(6), one Li(7), one Li(8), one Cr(1), and one Cr(2) atom. In the eleventh O site, O(11) 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,  an edgeedge with one O(12)Li4CrSb pentagonal pyramid, edges with two equivalent O(6)Li4Cr2 pentagonal pyramids, edges with two equivalent O(7)Li4Cr2 pentagonal pyramids, and edges with two equivalent O(5)Li4CrSb pentagonal pyramids. In the twelfth O site, O(12) 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,  an edgeedge with one O(11)Li4CrSb pentagonal pyramid, edges with two equivalent O(1)Li4CrSb pentagonal pyramids, and edges with two equivalent O(5)Li4CrSb pentagonal pyramids.