LiCo5SbO8 crystallizes in the monoclinic Cm space group. Li(1) is bonded in a distorted rectangular see-saw-like geometry to one Co(3), one Co(4), one O(4), one O(5), and two equivalent O(1) atoms. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form CoO4 tetrahedra that share corners with three equivalent Sb(1)O6 octahedra and corners with six equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-63°. In the second Co site, Co(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form CoO6 octahedra that share corners with three equivalent Co(1)O4 tetrahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. In the third Co site, Co(3) is bonded in a 6-coordinate geometry to one Li(1), one O(3), two equivalent O(1), and two equivalent O(6) atoms. In the fourth Co site, Co(4) is bonded in a 5-coordinate geometry to one Li(1), one O(4), one O(5), and two equivalent O(6) atoms. Sb(1) is bonded to one O(2), one O(5), two equivalent O(1), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with three equivalent Co(1)O4 tetrahedra and edges with four equivalent Co(2)O6 octahedra. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Li(1), one Co(1), one Co(2), one Co(3), and one Sb(1) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Co(1), two equivalent Co(2), and one Sb(1) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(3), and two equivalent Co(2) atoms. In the fourth O site, O(4) is bonded to one Li(1), one Co(4), and two equivalent Co(2) atoms to form distorted corner-sharing OLiCo3 tetrahedra. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Li(1), one Co(4), two equivalent Co(2), and one Sb(1) atom. In the sixth O site, O(6) is bonded to one Co(2), one Co(3), one Co(4), and one Sb(1) atom to form OCo3Sb tetrahedra that share  a cornercorner with one O(6)Co3Sb tetrahedra, corners with two equivalent O(4)LiCo3 tetrahedra, and  an edgeedge with one O(6)Co3Sb tetrahedra.
LiCo5SbO8 crystallizes in the monoclinic Cm space group. Li(1) is bonded in a distorted rectangular see-saw-like geometry to one Co(3), one Co(4), one O(4), one O(5), and two equivalent O(1) atoms. The Li(1)-Co(3) bond length is 2.33 Å. The Li(1)-Co(4) bond length is 2.31 Å. The Li(1)-O(4) bond length is 1.76 Å. The Li(1)-O(5) bond length is 1.95 Å. Both Li(1)-O(1) bond lengths are 2.00 Å. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form CoO4 tetrahedra that share corners with three equivalent Sb(1)O6 octahedra and corners with six equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-63°. The Co(1)-O(2) bond length is 2.09 Å. The Co(1)-O(3) bond length is 1.97 Å. Both Co(1)-O(1) bond lengths are 2.07 Å. In the second Co site, Co(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form CoO6 octahedra that share corners with three equivalent Co(1)O4 tetrahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Sb(1)O6 octahedra. The Co(2)-O(1) bond length is 2.28 Å. The Co(2)-O(2) bond length is 2.19 Å. The Co(2)-O(3) bond length is 2.07 Å. The Co(2)-O(4) bond length is 2.00 Å. The Co(2)-O(5) bond length is 2.18 Å. The Co(2)-O(6) bond length is 2.22 Å. In the third Co site, Co(3) is bonded in a 6-coordinate geometry to one Li(1), one O(3), two equivalent O(1), and two equivalent O(6) atoms. The Co(3)-O(3) bond length is 1.95 Å. Both Co(3)-O(1) bond lengths are 2.16 Å. Both Co(3)-O(6) bond lengths are 2.04 Å. In the fourth Co site, Co(4) is bonded in a 5-coordinate geometry to one Li(1), one O(4), one O(5), and two equivalent O(6) atoms. The Co(4)-O(4) bond length is 1.96 Å. The Co(4)-O(5) bond length is 2.43 Å. Both Co(4)-O(6) bond lengths are 1.94 Å. Sb(1) is bonded to one O(2), one O(5), two equivalent O(1), and two equivalent O(6) atoms to form SbO6 octahedra that share corners with three equivalent Co(1)O4 tetrahedra and edges with four equivalent Co(2)O6 octahedra. The Sb(1)-O(2) bond length is 2.02 Å. The Sb(1)-O(5) bond length is 2.07 Å. Both Sb(1)-O(1) bond lengths are 2.06 Å. Both Sb(1)-O(6) bond lengths are 2.02 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Li(1), one Co(1), one Co(2), one Co(3), and one Sb(1) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Co(1), two equivalent Co(2), and one Sb(1) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Co(1), one Co(3), and two equivalent Co(2) atoms. In the fourth O site, O(4) is bonded to one Li(1), one Co(4), and two equivalent Co(2) atoms to form distorted corner-sharing OLiCo3 tetrahedra. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Li(1), one Co(4), two equivalent Co(2), and one Sb(1) atom. In the sixth O site, O(6) is bonded to one Co(2), one Co(3), one Co(4), and one Sb(1) atom to form OCo3Sb tetrahedra that share  a cornercorner with one O(6)Co3Sb tetrahedra, corners with two equivalent O(4)LiCo3 tetrahedra, and  an edgeedge with one O(6)Co3Sb tetrahedra.