Li4NbCo3O8 is Caswellsilverite-derived structured and crystallizes in the triclinic P-1 space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Nb(1)O6 octahedra, corners with three equivalent Nb(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the second Li site, Li(2) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(7) atoms to form LiO6 octahedra that share corners with six equivalent Co(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-13°. In the third Li site, Li(3) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(8) atoms to form LiO6 octahedra that share corners with six equivalent Co(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-12°. In the fourth Li site, Li(4) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Co(2)O6 octahedra, corners with three equivalent Co(3)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-7°. In the fifth Li site, Li(5) 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 six equivalent Co(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-13°. In the sixth Li site, Li(6) 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 six equivalent Co(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-12°. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to two equivalent O(3), two equivalent O(6), and two equivalent O(7) atoms to form NbO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. In the second Nb site, Nb(2) is bonded to two equivalent O(4), two equivalent O(5), and two equivalent O(8) atoms to form NbO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Li(2)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-13°. In the second Co site, Co(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with six equivalent Li(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-6°. In the third Co site, Co(3) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(7) atoms to form CoO6 octahedra that share corners with six equivalent Li(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-7°. In the fourth Co site, Co(4) 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 Li(5)O6 octahedra, corners with three equivalent Li(6)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-13°. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(3), one Li(4), one Li(6), one Co(1), one Co(2), and one Co(4) atom to form OLi3Co3 octahedra that share corners with three equivalent O(1)Li3Co3 octahedra, corners with three equivalent O(2)Li3Co3 octahedra,  an edgeedge with one O(3)Li3NbCo2 octahedra,  an edgeedge with one O(6)Li3NbCo2 octahedra,  an edgeedge with one O(7)Li3NbCo2 octahedra, edges with three equivalent O(4)Li3NbCo2 octahedra, edges with three equivalent O(5)Li3NbCo2 octahedra, and edges with three equivalent O(8)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second O site, O(2) is bonded to one Li(2), one Li(4), one Li(5), one Co(1), one Co(3), and one Co(4) atom to form OLi3Co3 octahedra that share corners with three equivalent O(1)Li3Co3 octahedra, corners with three equivalent O(2)Li3Co3 octahedra,  an edgeedge with one O(4)Li3NbCo2 octahedra,  an edgeedge with one O(5)Li3NbCo2 octahedra,  an edgeedge with one O(8)Li3NbCo2 octahedra, edges with three equivalent O(3)Li3NbCo2 octahedra, edges with three equivalent O(6)Li3NbCo2 octahedra, and edges with three equivalent O(7)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the third O site, O(3) is bonded to one Li(1), one Li(4), one Li(5), one Nb(1), one Co(3), and one Co(4) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(3)Li3NbCo2 octahedra, corners with three equivalent O(4)Li3NbCo2 octahedra,  an edgeedge with one O(1)Li3Co3 octahedra,  an edgeedge with one O(5)Li3NbCo2 octahedra,  an edgeedge with one O(8)Li3NbCo2 octahedra, edges with three equivalent O(2)Li3Co3 octahedra, edges with three equivalent O(6)Li3NbCo2 octahedra, and edges with three equivalent O(7)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fourth O site, O(4) is bonded to one Li(1), one Li(4), one Li(6), one Nb(2), one Co(2), and one Co(4) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(3)Li3NbCo2 octahedra, corners with three equivalent O(4)Li3NbCo2 octahedra,  an edgeedge with one O(2)Li3Co3 octahedra,  an edgeedge with one O(6)Li3NbCo2 octahedra,  an edgeedge with one O(7)Li3NbCo2 octahedra, edges with three equivalent O(1)Li3Co3 octahedra, edges with three equivalent O(5)Li3NbCo2 octahedra, and edges with three equivalent O(8)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fifth O site, O(5) is bonded to one Li(1), one Li(3), one Li(6), one Nb(2), one Co(1), and one Co(4) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(5)Li3NbCo2 octahedra, corners with three equivalent O(6)Li3NbCo2 octahedra,  an edgeedge with one O(2)Li3Co3 octahedra,  an edgeedge with one O(3)Li3NbCo2 octahedra,  an edgeedge with one O(7)Li3NbCo2 octahedra, edges with three equivalent O(1)Li3Co3 octahedra, edges with three equivalent O(4)Li3NbCo2 octahedra, and edges with three equivalent O(8)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the sixth O site, O(6) is bonded to one Li(1), one Li(2), one Li(5), one Nb(1), one Co(1), and one Co(4) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(5)Li3NbCo2 octahedra, corners with three equivalent O(6)Li3NbCo2 octahedra,  an edgeedge with one O(1)Li3Co3 octahedra,  an edgeedge with one O(4)Li3NbCo2 octahedra,  an edgeedge with one O(8)Li3NbCo2 octahedra, edges with three equivalent O(2)Li3Co3 octahedra, edges with three equivalent O(3)Li3NbCo2 octahedra, and edges with three equivalent O(7)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the seventh O site, O(7) is bonded to one Li(1), one Li(2), one Li(4), one Nb(1), one Co(1), and one Co(3) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(7)Li3NbCo2 octahedra, corners with three equivalent O(8)Li3NbCo2 octahedra,  an edgeedge with one O(1)Li3Co3 octahedra,  an edgeedge with one O(4)Li3NbCo2 octahedra,  an edgeedge with one O(5)Li3NbCo2 octahedra, edges with three equivalent O(2)Li3Co3 octahedra, edges with three equivalent O(3)Li3NbCo2 octahedra, and edges with three equivalent O(6)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the eighth O site, O(8) is bonded to one Li(1), one Li(3), one Li(4), one Nb(2), one Co(1), and one Co(2) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(7)Li3NbCo2 octahedra, corners with three equivalent O(8)Li3NbCo2 octahedra,  an edgeedge with one O(2)Li3Co3 octahedra,  an edgeedge with one O(3)Li3NbCo2 octahedra,  an edgeedge with one O(6)Li3NbCo2 octahedra, edges with three equivalent O(1)Li3Co3 octahedra, edges with three equivalent O(4)Li3NbCo2 octahedra, and edges with three equivalent O(5)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-3°.
Li4NbCo3O8 is Caswellsilverite-derived structured and crystallizes in the triclinic P-1 space group. There are six inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Nb(1)O6 octahedra, corners with three equivalent Nb(2)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. The Li(1)-O(3) bond length is 2.24 Å. The Li(1)-O(4) bond length is 2.24 Å. The Li(1)-O(5) bond length is 2.21 Å. The Li(1)-O(6) bond length is 2.22 Å. The Li(1)-O(7) bond length is 2.21 Å. The Li(1)-O(8) bond length is 2.23 Å. In the second Li site, Li(2) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(7) atoms to form LiO6 octahedra that share corners with six equivalent Co(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-13°. Both Li(2)-O(2) bond lengths are 2.26 Å. Both Li(2)-O(6) bond lengths are 2.12 Å. Both Li(2)-O(7) bond lengths are 2.11 Å. In the third Li site, Li(3) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(8) atoms to form LiO6 octahedra that share corners with six equivalent Co(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-12°. Both Li(3)-O(1) bond lengths are 2.22 Å. Both Li(3)-O(5) bond lengths are 2.12 Å. Both Li(3)-O(8) bond lengths are 2.09 Å. In the fourth Li site, Li(4) is bonded to one O(1), one O(2), one O(3), one O(4), one O(7), and one O(8) atom to form LiO6 octahedra that share corners with three equivalent Co(2)O6 octahedra, corners with three equivalent Co(3)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-7°. The Li(4)-O(1) bond length is 2.31 Å. The Li(4)-O(2) bond length is 2.38 Å. The Li(4)-O(3) bond length is 2.24 Å. The Li(4)-O(4) bond length is 2.09 Å. The Li(4)-O(7) bond length is 2.07 Å. The Li(4)-O(8) bond length is 2.14 Å. In the fifth Li site, Li(5) 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 six equivalent Co(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-13°. Both Li(5)-O(2) bond lengths are 2.20 Å. Both Li(5)-O(3) bond lengths are 2.10 Å. Both Li(5)-O(6) bond lengths are 2.16 Å. In the sixth Li site, Li(6) 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 six equivalent Co(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-12°. Both Li(6)-O(1) bond lengths are 2.21 Å. Both Li(6)-O(4) bond lengths are 2.10 Å. Both Li(6)-O(5) bond lengths are 2.15 Å. There are two inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to two equivalent O(3), two equivalent O(6), and two equivalent O(7) atoms to form NbO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(3)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-5°. Both Nb(1)-O(3) bond lengths are 2.07 Å. Both Nb(1)-O(6) bond lengths are 2.03 Å. Both Nb(1)-O(7) bond lengths are 2.01 Å. In the second Nb site, Nb(2) is bonded to two equivalent O(4), two equivalent O(5), and two equivalent O(8) atoms to form NbO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 1-2°. Both Nb(2)-O(4) bond lengths are 2.03 Å. Both Nb(2)-O(5) bond lengths are 2.03 Å. Both Nb(2)-O(8) bond lengths are 2.04 Å. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(2), one O(5), one O(6), one O(7), and one O(8) atom to form CoO6 octahedra that share corners with three equivalent Li(2)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-13°. The Co(1)-O(1) bond length is 2.10 Å. The Co(1)-O(2) bond length is 2.04 Å. The Co(1)-O(5) bond length is 2.13 Å. The Co(1)-O(6) bond length is 2.12 Å. The Co(1)-O(7) bond length is 2.16 Å. The Co(1)-O(8) bond length is 2.14 Å. In the second Co site, Co(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with six equivalent Li(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Nb(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-6°. Both Co(2)-O(1) bond lengths are 1.91 Å. Both Co(2)-O(4) bond lengths are 2.14 Å. Both Co(2)-O(8) bond lengths are 2.15 Å. In the third Co site, Co(3) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(7) atoms to form CoO6 octahedra that share corners with six equivalent Li(4)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Nb(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with two equivalent Co(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-7°. Both Co(3)-O(2) bond lengths are 1.90 Å. Both Co(3)-O(3) bond lengths are 2.01 Å. Both Co(3)-O(7) bond lengths are 2.24 Å. In the fourth Co site, Co(4) 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 Li(5)O6 octahedra, corners with three equivalent Li(6)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Nb(1)O6 octahedra,  an edgeedge with one Nb(2)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra,  an edgeedge with one Co(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and edges with two equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-13°. The Co(4)-O(1) bond length is 2.06 Å. The Co(4)-O(2) bond length is 2.06 Å. The Co(4)-O(3) bond length is 2.16 Å. The Co(4)-O(4) bond length is 2.15 Å. The Co(4)-O(5) bond length is 2.14 Å. The Co(4)-O(6) bond length is 2.13 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(3), one Li(4), one Li(6), one Co(1), one Co(2), and one Co(4) atom to form OLi3Co3 octahedra that share corners with three equivalent O(1)Li3Co3 octahedra, corners with three equivalent O(2)Li3Co3 octahedra,  an edgeedge with one O(3)Li3NbCo2 octahedra,  an edgeedge with one O(6)Li3NbCo2 octahedra,  an edgeedge with one O(7)Li3NbCo2 octahedra, edges with three equivalent O(4)Li3NbCo2 octahedra, edges with three equivalent O(5)Li3NbCo2 octahedra, and edges with three equivalent O(8)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second O site, O(2) is bonded to one Li(2), one Li(4), one Li(5), one Co(1), one Co(3), and one Co(4) atom to form OLi3Co3 octahedra that share corners with three equivalent O(1)Li3Co3 octahedra, corners with three equivalent O(2)Li3Co3 octahedra,  an edgeedge with one O(4)Li3NbCo2 octahedra,  an edgeedge with one O(5)Li3NbCo2 octahedra,  an edgeedge with one O(8)Li3NbCo2 octahedra, edges with three equivalent O(3)Li3NbCo2 octahedra, edges with three equivalent O(6)Li3NbCo2 octahedra, and edges with three equivalent O(7)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the third O site, O(3) is bonded to one Li(1), one Li(4), one Li(5), one Nb(1), one Co(3), and one Co(4) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(3)Li3NbCo2 octahedra, corners with three equivalent O(4)Li3NbCo2 octahedra,  an edgeedge with one O(1)Li3Co3 octahedra,  an edgeedge with one O(5)Li3NbCo2 octahedra,  an edgeedge with one O(8)Li3NbCo2 octahedra, edges with three equivalent O(2)Li3Co3 octahedra, edges with three equivalent O(6)Li3NbCo2 octahedra, and edges with three equivalent O(7)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fourth O site, O(4) is bonded to one Li(1), one Li(4), one Li(6), one Nb(2), one Co(2), and one Co(4) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(3)Li3NbCo2 octahedra, corners with three equivalent O(4)Li3NbCo2 octahedra,  an edgeedge with one O(2)Li3Co3 octahedra,  an edgeedge with one O(6)Li3NbCo2 octahedra,  an edgeedge with one O(7)Li3NbCo2 octahedra, edges with three equivalent O(1)Li3Co3 octahedra, edges with three equivalent O(5)Li3NbCo2 octahedra, and edges with three equivalent O(8)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fifth O site, O(5) is bonded to one Li(1), one Li(3), one Li(6), one Nb(2), one Co(1), and one Co(4) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(5)Li3NbCo2 octahedra, corners with three equivalent O(6)Li3NbCo2 octahedra,  an edgeedge with one O(2)Li3Co3 octahedra,  an edgeedge with one O(3)Li3NbCo2 octahedra,  an edgeedge with one O(7)Li3NbCo2 octahedra, edges with three equivalent O(1)Li3Co3 octahedra, edges with three equivalent O(4)Li3NbCo2 octahedra, and edges with three equivalent O(8)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the sixth O site, O(6) is bonded to one Li(1), one Li(2), one Li(5), one Nb(1), one Co(1), and one Co(4) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(5)Li3NbCo2 octahedra, corners with three equivalent O(6)Li3NbCo2 octahedra,  an edgeedge with one O(1)Li3Co3 octahedra,  an edgeedge with one O(4)Li3NbCo2 octahedra,  an edgeedge with one O(8)Li3NbCo2 octahedra, edges with three equivalent O(2)Li3Co3 octahedra, edges with three equivalent O(3)Li3NbCo2 octahedra, and edges with three equivalent O(7)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the seventh O site, O(7) is bonded to one Li(1), one Li(2), one Li(4), one Nb(1), one Co(1), and one Co(3) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(7)Li3NbCo2 octahedra, corners with three equivalent O(8)Li3NbCo2 octahedra,  an edgeedge with one O(1)Li3Co3 octahedra,  an edgeedge with one O(4)Li3NbCo2 octahedra,  an edgeedge with one O(5)Li3NbCo2 octahedra, edges with three equivalent O(2)Li3Co3 octahedra, edges with three equivalent O(3)Li3NbCo2 octahedra, and edges with three equivalent O(6)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the eighth O site, O(8) is bonded to one Li(1), one Li(3), one Li(4), one Nb(2), one Co(1), and one Co(2) atom to form OLi3NbCo2 octahedra that share corners with three equivalent O(7)Li3NbCo2 octahedra, corners with three equivalent O(8)Li3NbCo2 octahedra,  an edgeedge with one O(2)Li3Co3 octahedra,  an edgeedge with one O(3)Li3NbCo2 octahedra,  an edgeedge with one O(6)Li3NbCo2 octahedra, edges with three equivalent O(1)Li3Co3 octahedra, edges with three equivalent O(4)Li3NbCo2 octahedra, and edges with three equivalent O(5)Li3NbCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-3°.