Li17(Co4O9)2 crystallizes in the triclinic P1 space group. There are seventeen inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(17), one O(4), and one O(7) atom to form a mixture of distorted corner and edge-sharing LiO4 trigonal pyramids. In the second Li site, Li(2) is bonded to one O(1), one O(18), one O(2), and one O(6) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(8)O5 trigonal bipyramid,  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(13)O4 trigonal pyramid,  a cornercorner with one Li(14)O4 trigonal pyramid,  an edgeedge with one Li(16)O4 trigonal pyramid,  an edgeedge with one Li(17)O4 trigonal pyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. In the third Li site, Li(3) is bonded in a 4-coordinate geometry to one O(17), one O(2), one O(3), and one O(4) atom. In the fourth Li site, Li(4) is bonded to one O(18), one O(4), one O(5), and one O(6) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(16)O4 trigonal pyramid,  a cornercorner with one Li(17)O4 trigonal pyramid,  an edgeedge with one Li(8)O5 trigonal bipyramid, and  an edgeedge with one Li(2)O4 trigonal pyramid. In the fifth Li site, Li(5) is bonded to one O(11), one O(3), one O(4), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one Li(6)O4 tetrahedra,  an edgeedge with one Li(8)O5 trigonal bipyramid, and  an edgeedge with one Li(1)O4 trigonal pyramid. In the sixth Li site, Li(6) is bonded to one O(11), one O(3), one O(8), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(12)O4 trigonal pyramid,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(8)O5 trigonal bipyramid, and  an edgeedge with one Li(9)O5 trigonal bipyramid. In the seventh Li site, Li(7) is bonded in a 4-coordinate geometry to one O(10), one O(4), one O(5), and one O(9) atom. In the eighth Li site, Li(8) is bonded to one O(10), one O(11), one O(3), one O(5), and one O(6) atom to form a mixture of distorted corner and edge-sharing LiO5 trigonal bipyramids. In the ninth Li site, Li(9) is bonded to one O(13), one O(14), one O(16), one O(8), and one O(9) atom to form a mixture of distorted corner and edge-sharing LiO5 trigonal bipyramids. In the tenth Li site, Li(10) is bonded in a 4-coordinate geometry to one O(10), one O(14), one O(15), and one O(9) atom. In the eleventh Li site, Li(11) is bonded to one O(10), one O(11), one O(16), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(13)O4 trigonal pyramid,  an edgeedge with one Li(6)O4 tetrahedra,  an edgeedge with one Li(8)O5 trigonal bipyramid,  an edgeedge with one Li(9)O5 trigonal bipyramid, and  an edgeedge with one Li(12)O4 trigonal pyramid. In the twelfth Li site, Li(12) is bonded to one O(12), one O(15), one O(16), and one O(8) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Li(14)O4 trigonal pyramid,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(9)O5 trigonal bipyramid,  an edgeedge with one Li(13)O4 trigonal pyramid, and  an edgeedge with one Li(17)O4 trigonal pyramid. In the thirteenth Li site, Li(13) is bonded to one O(1), one O(12), one O(13), and one O(16) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(17)O4 trigonal pyramid,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Li(9)O5 trigonal bipyramid,  an edgeedge with one Li(12)O4 trigonal pyramid,  an edgeedge with one Li(14)O4 trigonal pyramid, and  an edgeedge with one Li(16)O4 trigonal pyramid. In the fourteenth Li site, Li(14) is bonded to one O(1), one O(13), one O(14), and one O(15) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(12)O4 trigonal pyramid,  a cornercorner with one Li(17)O4 trigonal pyramid,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Li(9)O5 trigonal bipyramid,  an edgeedge with one Li(13)O4 trigonal pyramid, and  an edgeedge with one Li(16)O4 trigonal pyramid. In the fifteenth Li site, Li(15) is bonded in a 4-coordinate geometry to one O(15), one O(16), one O(17), and one O(2) atom. In the sixteenth Li site, Li(16) is bonded to one O(1), one O(13), one O(17), and one O(18) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Li(9)O5 trigonal bipyramid,  a cornercorner with one Li(17)O4 trigonal pyramid,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one Li(1)O4 trigonal pyramid,  an edgeedge with one Li(13)O4 trigonal pyramid,  an edgeedge with one Li(14)O4 trigonal pyramid, and  an edgeedge with one Li(2)O4 trigonal pyramid. In the seventeenth Li site, Li(17) is bonded to one O(12), one O(15), one O(18), and one O(2) atom to form a mixture of distorted corner and edge-sharing LiO4 trigonal pyramids. There are eight inequivalent Co sites. In the first Co site, Co(1) is bonded in a trigonal planar geometry to one O(1), one O(3), and one O(5) atom. In the second Co site, Co(2) is bonded in a trigonal planar geometry to one O(2), one O(5), and one O(7) atom. In the third Co site, Co(3) is bonded in a 3-coordinate geometry to one O(4), one O(6), and one O(8) atom. In the fourth Co site, Co(4) is bonded in a distorted trigonal planar geometry to one O(6), one O(7), and one O(9) atom. In the fifth Co site, Co(5) is bonded in a distorted trigonal planar geometry to one O(10), one O(12), and one O(13) atom. In the sixth Co site, Co(6) is bonded in a distorted trigonal planar geometry to one O(11), one O(13), and one O(15) atom. In the seventh Co site, Co(7) is bonded in a trigonal planar geometry to one O(12), one O(14), and one O(17) atom. In the eighth Co site, Co(8) is bonded in a distorted trigonal planar geometry to one O(14), one O(16), and one O(18) atom. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(13), one Li(14), one Li(16), one Li(2), and one Co(1) atom to form distorted OLi5Co octahedra that share  a cornercorner with one O(15)Li5Co octahedra,  a cornercorner with one O(4)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(14)Li3Co2 trigonal bipyramid,  a cornercorner with one O(5)Li3Co2 trigonal bipyramid,  a cornercorner with one O(6)Li3Co2 trigonal bipyramid,  a cornercorner with one O(2)Li4Co trigonal bipyramid,  an edgeedge with one O(18)Li4Co square pyramid,  an edgeedge with one O(17)Li4Co trigonal bipyramid, and  a faceface with one O(13)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 30-53°. In the second O site, O(2) is bonded to one Li(15), one Li(17), one Li(2), one Li(3), and one Co(2) atom to form distorted OLi4Co trigonal bipyramids that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(4)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(5)Li3Co2 trigonal bipyramid,  a cornercorner with one O(6)Li3Co2 trigonal bipyramid,  an edgeedge with one O(15)Li5Co octahedra,  an edgeedge with one O(18)Li4Co square pyramid, and  an edgeedge with one O(17)Li4Co trigonal bipyramid. The corner-sharing octahedral tilt angles range from 47-72°. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Li(3), one Li(5), one Li(6), one Li(8), and one Co(1) atom. In the fourth O site, O(4) is bonded to one Li(1), one Li(3), one Li(4), one Li(5), one Li(7), and one Co(3) atom to form distorted OLi5Co octahedra that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(11)Li4Co square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(2)Li4Co trigonal bipyramid,  an edgeedge with one O(5)Li3Co2 trigonal bipyramid,  an edgeedge with one O(6)Li3Co2 trigonal bipyramid, and  an edgeedge with one O(17)Li4Co trigonal bipyramid. The corner-sharing octahedral tilt angles are 53°. In the fifth O site, O(5) is bonded to one Li(4), one Li(7), one Li(8), one Co(1), and one Co(2) atom to form distorted OLi3Co2 trigonal bipyramids that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(11)Li4Co square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(2)Li4Co trigonal bipyramid,  an edgeedge with one O(4)Li5Co octahedra, and  an edgeedge with one O(6)Li3Co2 trigonal bipyramid. The corner-sharing octahedral tilt angles are 61°. In the sixth O site, O(6) is bonded to one Li(2), one Li(4), one Li(8), one Co(3), and one Co(4) atom to form distorted OLi3Co2 trigonal bipyramids that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(11)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(2)Li4Co trigonal bipyramid,  an edgeedge with one O(4)Li5Co octahedra,  an edgeedge with one O(18)Li4Co square pyramid, and  an edgeedge with one O(5)Li3Co2 trigonal bipyramid. The corner-sharing octahedral tilt angles are 61°. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(5), one Co(2), and one Co(4) atom. In the eighth O site, O(8) is bonded to one Li(11), one Li(12), one Li(6), one Li(9), and one Co(3) atom to form distorted OLi4Co square pyramids that share  a cornercorner with one O(13)Li4Co2 octahedra,  a cornercorner with one O(15)Li5Co octahedra,  a cornercorner with one O(4)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(14)Li3Co2 trigonal bipyramid,  a cornercorner with one O(6)Li3Co2 trigonal bipyramid, and  an edgeedge with one O(11)Li4Co square pyramid. The corner-sharing octahedral tilt angles range from 35-69°. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Li(10), one Li(6), one Li(7), one Li(9), and one Co(4) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Li(10), one Li(11), one Li(7), one Li(8), and one Co(5) atom. In the eleventh O site, O(11) is bonded to one Li(11), one Li(5), one Li(6), one Li(8), and one Co(6) atom to form distorted OLi4Co square pyramids that share  a cornercorner with one O(13)Li4Co2 octahedra,  a cornercorner with one O(15)Li5Co octahedra,  a cornercorner with one O(4)Li5Co octahedra,  a cornercorner with one O(5)Li3Co2 trigonal bipyramid,  a cornercorner with one O(6)Li3Co2 trigonal bipyramid, and  an edgeedge with one O(8)Li4Co square pyramid. The corner-sharing octahedral tilt angles range from 37-61°. In the twelfth O site, O(12) is bonded to one Li(12), one Li(13), one Li(17), one Co(5), and one Co(7) atom to form OLi3Co2 square pyramids that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(14)Li3Co2 trigonal bipyramid,  a cornercorner with one O(17)Li4Co trigonal bipyramid,  a cornercorner with one O(2)Li4Co trigonal bipyramid,  an edgeedge with one O(13)Li4Co2 octahedra, and  an edgeedge with one O(15)Li5Co octahedra. The corner-sharing octahedral tilt angles are 47°. In the thirteenth O site, O(13) is bonded to one Li(13), one Li(14), one Li(16), one Li(9), one Co(5), and one Co(6) atom to form distorted OLi4Co2 octahedra that share  a cornercorner with one O(11)Li4Co square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(17)Li4Co trigonal bipyramid,  an edgeedge with one O(15)Li5Co octahedra,  an edgeedge with one O(12)Li3Co2 square pyramid,  an edgeedge with one O(14)Li3Co2 trigonal bipyramid, and  a faceface with one O(1)Li5Co octahedra. In the fourteenth O site, O(14) is bonded to one Li(10), one Li(14), one Li(9), one Co(7), and one Co(8) atom to form distorted OLi3Co2 trigonal bipyramids that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(17)Li4Co trigonal bipyramid,  an edgeedge with one O(13)Li4Co2 octahedra, and  an edgeedge with one O(15)Li5Co octahedra. The corner-sharing octahedral tilt angles are 69°. In the fifteenth O site, O(15) is bonded to one Li(10), one Li(12), one Li(14), one Li(15), one Li(17), and one Co(6) atom to form distorted OLi5Co octahedra that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(11)Li4Co square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(17)Li4Co trigonal bipyramid,  an edgeedge with one O(13)Li4Co2 octahedra,  an edgeedge with one O(12)Li3Co2 square pyramid,  an edgeedge with one O(14)Li3Co2 trigonal bipyramid, and  an edgeedge with one O(2)Li4Co trigonal bipyramid. The corner-sharing octahedral tilt angles are 30°. In the sixteenth O site, O(16) is bonded in a 6-coordinate geometry to one Li(11), one Li(12), one Li(13), one Li(15), one Li(9), and one Co(8) atom. In the seventeenth O site, O(17) is bonded to one Li(1), one Li(15), one Li(16), one Li(3), and one Co(7) atom to form distorted OLi4Co trigonal bipyramids that share  a cornercorner with one O(13)Li4Co2 octahedra,  a cornercorner with one O(15)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(14)Li3Co2 trigonal bipyramid,  an edgeedge with one O(1)Li5Co octahedra,  an edgeedge with one O(4)Li5Co octahedra, and  an edgeedge with one O(2)Li4Co trigonal bipyramid. The corner-sharing octahedral tilt angles range from 51-56°. In the eighteenth O site, O(18) is bonded to one Li(16), one Li(17), one Li(2), one Li(4), and one Co(8) atom to form distorted OLi4Co square pyramids that share  a cornercorner with one O(13)Li4Co2 octahedra,  a cornercorner with one O(15)Li5Co octahedra,  a cornercorner with one O(4)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(14)Li3Co2 trigonal bipyramid,  a cornercorner with one O(5)Li3Co2 trigonal bipyramid,  a cornercorner with one O(17)Li4Co trigonal bipyramid,  an edgeedge with one O(1)Li5Co octahedra,  an edgeedge with one O(6)Li3Co2 trigonal bipyramid, and  an edgeedge with one O(2)Li4Co trigonal bipyramid. The corner-sharing octahedral tilt angles range from 37-61°.
Li17(Co4O9)2 crystallizes in the triclinic P1 space group. There are seventeen inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(17), one O(4), and one O(7) atom to form a mixture of distorted corner and edge-sharing LiO4 trigonal pyramids. The Li(1)-O(1) bond length is 2.08 Å. The Li(1)-O(17) bond length is 2.05 Å. The Li(1)-O(4) bond length is 2.02 Å. The Li(1)-O(7) bond length is 2.00 Å. In the second Li site, Li(2) is bonded to one O(1), one O(18), one O(2), and one O(6) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(8)O5 trigonal bipyramid,  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(13)O4 trigonal pyramid,  a cornercorner with one Li(14)O4 trigonal pyramid,  an edgeedge with one Li(16)O4 trigonal pyramid,  an edgeedge with one Li(17)O4 trigonal pyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. The Li(2)-O(1) bond length is 2.31 Å. The Li(2)-O(18) bond length is 1.99 Å. The Li(2)-O(2) bond length is 1.94 Å. The Li(2)-O(6) bond length is 2.00 Å. In the third Li site, Li(3) is bonded in a 4-coordinate geometry to one O(17), one O(2), one O(3), and one O(4) atom. The Li(3)-O(17) bond length is 1.94 Å. The Li(3)-O(2) bond length is 2.04 Å. The Li(3)-O(3) bond length is 1.93 Å. The Li(3)-O(4) bond length is 2.31 Å. In the fourth Li site, Li(4) is bonded to one O(18), one O(4), one O(5), and one O(6) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(16)O4 trigonal pyramid,  a cornercorner with one Li(17)O4 trigonal pyramid,  an edgeedge with one Li(8)O5 trigonal bipyramid, and  an edgeedge with one Li(2)O4 trigonal pyramid. The Li(4)-O(18) bond length is 2.10 Å. The Li(4)-O(4) bond length is 2.12 Å. The Li(4)-O(5) bond length is 1.91 Å. The Li(4)-O(6) bond length is 2.02 Å. In the fifth Li site, Li(5) is bonded to one O(11), one O(3), one O(4), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one Li(6)O4 tetrahedra,  an edgeedge with one Li(8)O5 trigonal bipyramid, and  an edgeedge with one Li(1)O4 trigonal pyramid. The Li(5)-O(11) bond length is 1.99 Å. The Li(5)-O(3) bond length is 2.01 Å. The Li(5)-O(4) bond length is 1.96 Å. The Li(5)-O(7) bond length is 1.93 Å. In the sixth Li site, Li(6) is bonded to one O(11), one O(3), one O(8), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(12)O4 trigonal pyramid,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(8)O5 trigonal bipyramid, and  an edgeedge with one Li(9)O5 trigonal bipyramid. The Li(6)-O(11) bond length is 2.13 Å. The Li(6)-O(3) bond length is 1.94 Å. The Li(6)-O(8) bond length is 2.00 Å. The Li(6)-O(9) bond length is 1.98 Å. In the seventh Li site, Li(7) is bonded in a 4-coordinate geometry to one O(10), one O(4), one O(5), and one O(9) atom. The Li(7)-O(10) bond length is 1.95 Å. The Li(7)-O(4) bond length is 1.96 Å. The Li(7)-O(5) bond length is 2.12 Å. The Li(7)-O(9) bond length is 2.00 Å. In the eighth Li site, Li(8) is bonded to one O(10), one O(11), one O(3), one O(5), and one O(6) atom to form a mixture of distorted corner and edge-sharing LiO5 trigonal bipyramids. The Li(8)-O(10) bond length is 2.21 Å. The Li(8)-O(11) bond length is 2.08 Å. The Li(8)-O(3) bond length is 2.34 Å. The Li(8)-O(5) bond length is 2.16 Å. The Li(8)-O(6) bond length is 2.07 Å. In the ninth Li site, Li(9) is bonded to one O(13), one O(14), one O(16), one O(8), and one O(9) atom to form a mixture of distorted corner and edge-sharing LiO5 trigonal bipyramids. The Li(9)-O(13) bond length is 2.06 Å. The Li(9)-O(14) bond length is 2.16 Å. The Li(9)-O(16) bond length is 2.33 Å. The Li(9)-O(8) bond length is 2.08 Å. The Li(9)-O(9) bond length is 2.08 Å. In the tenth Li site, Li(10) is bonded in a 4-coordinate geometry to one O(10), one O(14), one O(15), and one O(9) atom. The Li(10)-O(10) bond length is 1.99 Å. The Li(10)-O(14) bond length is 2.14 Å. The Li(10)-O(15) bond length is 1.96 Å. The Li(10)-O(9) bond length is 1.94 Å. In the eleventh Li site, Li(11) is bonded to one O(10), one O(11), one O(16), and one O(8) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(13)O4 trigonal pyramid,  an edgeedge with one Li(6)O4 tetrahedra,  an edgeedge with one Li(8)O5 trigonal bipyramid,  an edgeedge with one Li(9)O5 trigonal bipyramid, and  an edgeedge with one Li(12)O4 trigonal pyramid. The Li(11)-O(10) bond length is 2.00 Å. The Li(11)-O(11) bond length is 2.01 Å. The Li(11)-O(16) bond length is 2.08 Å. The Li(11)-O(8) bond length is 2.06 Å. In the twelfth Li site, Li(12) is bonded to one O(12), one O(15), one O(16), and one O(8) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Li(14)O4 trigonal pyramid,  an edgeedge with one Li(11)O4 tetrahedra,  an edgeedge with one Li(9)O5 trigonal bipyramid,  an edgeedge with one Li(13)O4 trigonal pyramid, and  an edgeedge with one Li(17)O4 trigonal pyramid. The Li(12)-O(12) bond length is 1.96 Å. The Li(12)-O(15) bond length is 1.93 Å. The Li(12)-O(16) bond length is 2.05 Å. The Li(12)-O(8) bond length is 1.96 Å. In the thirteenth Li site, Li(13) is bonded to one O(1), one O(12), one O(13), and one O(16) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(11)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(17)O4 trigonal pyramid,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Li(9)O5 trigonal bipyramid,  an edgeedge with one Li(12)O4 trigonal pyramid,  an edgeedge with one Li(14)O4 trigonal pyramid, and  an edgeedge with one Li(16)O4 trigonal pyramid. The Li(13)-O(1) bond length is 2.04 Å. The Li(13)-O(12) bond length is 2.00 Å. The Li(13)-O(13) bond length is 2.09 Å. The Li(13)-O(16) bond length is 1.98 Å. In the fourteenth Li site, Li(14) is bonded to one O(1), one O(13), one O(14), and one O(15) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Li(1)O4 trigonal pyramid,  a cornercorner with one Li(12)O4 trigonal pyramid,  a cornercorner with one Li(17)O4 trigonal pyramid,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Li(9)O5 trigonal bipyramid,  an edgeedge with one Li(13)O4 trigonal pyramid, and  an edgeedge with one Li(16)O4 trigonal pyramid. The Li(14)-O(1) bond length is 2.14 Å. The Li(14)-O(13) bond length is 2.07 Å. The Li(14)-O(14) bond length is 1.92 Å. The Li(14)-O(15) bond length is 2.03 Å. In the fifteenth Li site, Li(15) is bonded in a 4-coordinate geometry to one O(15), one O(16), one O(17), and one O(2) atom. The Li(15)-O(15) bond length is 2.40 Å. The Li(15)-O(16) bond length is 1.94 Å. The Li(15)-O(17) bond length is 2.02 Å. The Li(15)-O(2) bond length is 1.93 Å. In the sixteenth Li site, Li(16) is bonded to one O(1), one O(13), one O(17), and one O(18) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Li(9)O5 trigonal bipyramid,  a cornercorner with one Li(17)O4 trigonal pyramid,  a cornercorner with one Li(4)O4 trigonal pyramid,  an edgeedge with one Li(1)O4 trigonal pyramid,  an edgeedge with one Li(13)O4 trigonal pyramid,  an edgeedge with one Li(14)O4 trigonal pyramid, and  an edgeedge with one Li(2)O4 trigonal pyramid. The Li(16)-O(1) bond length is 2.05 Å. The Li(16)-O(13) bond length is 2.07 Å. The Li(16)-O(17) bond length is 1.93 Å. The Li(16)-O(18) bond length is 1.95 Å. In the seventeenth Li site, Li(17) is bonded to one O(12), one O(15), one O(18), and one O(2) atom to form a mixture of distorted corner and edge-sharing LiO4 trigonal pyramids. The Li(17)-O(12) bond length is 2.02 Å. The Li(17)-O(15) bond length is 2.05 Å. The Li(17)-O(18) bond length is 2.03 Å. The Li(17)-O(2) bond length is 2.03 Å. There are eight inequivalent Co sites. In the first Co site, Co(1) is bonded in a trigonal planar geometry to one O(1), one O(3), and one O(5) atom. The Co(1)-O(1) bond length is 1.80 Å. The Co(1)-O(3) bond length is 1.76 Å. The Co(1)-O(5) bond length is 1.94 Å. In the second Co site, Co(2) is bonded in a trigonal planar geometry to one O(2), one O(5), and one O(7) atom. The Co(2)-O(2) bond length is 1.80 Å. The Co(2)-O(5) bond length is 1.87 Å. The Co(2)-O(7) bond length is 1.88 Å. In the third Co site, Co(3) is bonded in a 3-coordinate geometry to one O(4), one O(6), and one O(8) atom. The Co(3)-O(4) bond length is 1.83 Å. The Co(3)-O(6) bond length is 1.95 Å. The Co(3)-O(8) bond length is 1.77 Å. In the fourth Co site, Co(4) is bonded in a distorted trigonal planar geometry to one O(6), one O(7), and one O(9) atom. The Co(4)-O(6) bond length is 1.91 Å. The Co(4)-O(7) bond length is 1.85 Å. The Co(4)-O(9) bond length is 1.77 Å. In the fifth Co site, Co(5) is bonded in a distorted trigonal planar geometry to one O(10), one O(12), and one O(13) atom. The Co(5)-O(10) bond length is 1.75 Å. The Co(5)-O(12) bond length is 1.89 Å. The Co(5)-O(13) bond length is 1.92 Å. In the sixth Co site, Co(6) is bonded in a distorted trigonal planar geometry to one O(11), one O(13), and one O(15) atom. The Co(6)-O(11) bond length is 1.77 Å. The Co(6)-O(13) bond length is 1.99 Å. The Co(6)-O(15) bond length is 1.83 Å. In the seventh Co site, Co(7) is bonded in a trigonal planar geometry to one O(12), one O(14), and one O(17) atom. The Co(7)-O(12) bond length is 1.91 Å. The Co(7)-O(14) bond length is 1.85 Å. The Co(7)-O(17) bond length is 1.79 Å. In the eighth Co site, Co(8) is bonded in a distorted trigonal planar geometry to one O(14), one O(16), and one O(18) atom. The Co(8)-O(14) bond length is 1.95 Å. The Co(8)-O(16) bond length is 1.82 Å. The Co(8)-O(18) bond length is 1.78 Å. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(13), one Li(14), one Li(16), one Li(2), and one Co(1) atom to form distorted OLi5Co octahedra that share  a cornercorner with one O(15)Li5Co octahedra,  a cornercorner with one O(4)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(14)Li3Co2 trigonal bipyramid,  a cornercorner with one O(5)Li3Co2 trigonal bipyramid,  a cornercorner with one O(6)Li3Co2 trigonal bipyramid,  a cornercorner with one O(2)Li4Co trigonal bipyramid,  an edgeedge with one O(18)Li4Co square pyramid,  an edgeedge with one O(17)Li4Co trigonal bipyramid, and  a faceface with one O(13)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 30-53°. In the second O site, O(2) is bonded to one Li(15), one Li(17), one Li(2), one Li(3), and one Co(2) atom to form distorted OLi4Co trigonal bipyramids that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(4)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(5)Li3Co2 trigonal bipyramid,  a cornercorner with one O(6)Li3Co2 trigonal bipyramid,  an edgeedge with one O(15)Li5Co octahedra,  an edgeedge with one O(18)Li4Co square pyramid, and  an edgeedge with one O(17)Li4Co trigonal bipyramid. The corner-sharing octahedral tilt angles range from 47-72°. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Li(3), one Li(5), one Li(6), one Li(8), and one Co(1) atom. In the fourth O site, O(4) is bonded to one Li(1), one Li(3), one Li(4), one Li(5), one Li(7), and one Co(3) atom to form distorted OLi5Co octahedra that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(11)Li4Co square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(2)Li4Co trigonal bipyramid,  an edgeedge with one O(5)Li3Co2 trigonal bipyramid,  an edgeedge with one O(6)Li3Co2 trigonal bipyramid, and  an edgeedge with one O(17)Li4Co trigonal bipyramid. The corner-sharing octahedral tilt angles are 53°. In the fifth O site, O(5) is bonded to one Li(4), one Li(7), one Li(8), one Co(1), and one Co(2) atom to form distorted OLi3Co2 trigonal bipyramids that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(11)Li4Co square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(2)Li4Co trigonal bipyramid,  an edgeedge with one O(4)Li5Co octahedra, and  an edgeedge with one O(6)Li3Co2 trigonal bipyramid. The corner-sharing octahedral tilt angles are 61°. In the sixth O site, O(6) is bonded to one Li(2), one Li(4), one Li(8), one Co(3), and one Co(4) atom to form distorted OLi3Co2 trigonal bipyramids that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(11)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(2)Li4Co trigonal bipyramid,  an edgeedge with one O(4)Li5Co octahedra,  an edgeedge with one O(18)Li4Co square pyramid, and  an edgeedge with one O(5)Li3Co2 trigonal bipyramid. The corner-sharing octahedral tilt angles are 61°. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(5), one Co(2), and one Co(4) atom. In the eighth O site, O(8) is bonded to one Li(11), one Li(12), one Li(6), one Li(9), and one Co(3) atom to form distorted OLi4Co square pyramids that share  a cornercorner with one O(13)Li4Co2 octahedra,  a cornercorner with one O(15)Li5Co octahedra,  a cornercorner with one O(4)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(14)Li3Co2 trigonal bipyramid,  a cornercorner with one O(6)Li3Co2 trigonal bipyramid, and  an edgeedge with one O(11)Li4Co square pyramid. The corner-sharing octahedral tilt angles range from 35-69°. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Li(10), one Li(6), one Li(7), one Li(9), and one Co(4) atom. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Li(10), one Li(11), one Li(7), one Li(8), and one Co(5) atom. In the eleventh O site, O(11) is bonded to one Li(11), one Li(5), one Li(6), one Li(8), and one Co(6) atom to form distorted OLi4Co square pyramids that share  a cornercorner with one O(13)Li4Co2 octahedra,  a cornercorner with one O(15)Li5Co octahedra,  a cornercorner with one O(4)Li5Co octahedra,  a cornercorner with one O(5)Li3Co2 trigonal bipyramid,  a cornercorner with one O(6)Li3Co2 trigonal bipyramid, and  an edgeedge with one O(8)Li4Co square pyramid. The corner-sharing octahedral tilt angles range from 37-61°. In the twelfth O site, O(12) is bonded to one Li(12), one Li(13), one Li(17), one Co(5), and one Co(7) atom to form OLi3Co2 square pyramids that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(14)Li3Co2 trigonal bipyramid,  a cornercorner with one O(17)Li4Co trigonal bipyramid,  a cornercorner with one O(2)Li4Co trigonal bipyramid,  an edgeedge with one O(13)Li4Co2 octahedra, and  an edgeedge with one O(15)Li5Co octahedra. The corner-sharing octahedral tilt angles are 47°. In the thirteenth O site, O(13) is bonded to one Li(13), one Li(14), one Li(16), one Li(9), one Co(5), and one Co(6) atom to form distorted OLi4Co2 octahedra that share  a cornercorner with one O(11)Li4Co square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(17)Li4Co trigonal bipyramid,  an edgeedge with one O(15)Li5Co octahedra,  an edgeedge with one O(12)Li3Co2 square pyramid,  an edgeedge with one O(14)Li3Co2 trigonal bipyramid, and  a faceface with one O(1)Li5Co octahedra. In the fourteenth O site, O(14) is bonded to one Li(10), one Li(14), one Li(9), one Co(7), and one Co(8) atom to form distorted OLi3Co2 trigonal bipyramids that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(17)Li4Co trigonal bipyramid,  an edgeedge with one O(13)Li4Co2 octahedra, and  an edgeedge with one O(15)Li5Co octahedra. The corner-sharing octahedral tilt angles are 69°. In the fifteenth O site, O(15) is bonded to one Li(10), one Li(12), one Li(14), one Li(15), one Li(17), and one Co(6) atom to form distorted OLi5Co octahedra that share  a cornercorner with one O(1)Li5Co octahedra,  a cornercorner with one O(11)Li4Co square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(8)Li4Co square pyramid,  a cornercorner with one O(17)Li4Co trigonal bipyramid,  an edgeedge with one O(13)Li4Co2 octahedra,  an edgeedge with one O(12)Li3Co2 square pyramid,  an edgeedge with one O(14)Li3Co2 trigonal bipyramid, and  an edgeedge with one O(2)Li4Co trigonal bipyramid. The corner-sharing octahedral tilt angles are 30°. In the sixteenth O site, O(16) is bonded in a 6-coordinate geometry to one Li(11), one Li(12), one Li(13), one Li(15), one Li(9), and one Co(8) atom. In the seventeenth O site, O(17) is bonded to one Li(1), one Li(15), one Li(16), one Li(3), and one Co(7) atom to form distorted OLi4Co trigonal bipyramids that share  a cornercorner with one O(13)Li4Co2 octahedra,  a cornercorner with one O(15)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(18)Li4Co square pyramid,  a cornercorner with one O(14)Li3Co2 trigonal bipyramid,  an edgeedge with one O(1)Li5Co octahedra,  an edgeedge with one O(4)Li5Co octahedra, and  an edgeedge with one O(2)Li4Co trigonal bipyramid. The corner-sharing octahedral tilt angles range from 51-56°. In the eighteenth O site, O(18) is bonded to one Li(16), one Li(17), one Li(2), one Li(4), and one Co(8) atom to form distorted OLi4Co square pyramids that share  a cornercorner with one O(13)Li4Co2 octahedra,  a cornercorner with one O(15)Li5Co octahedra,  a cornercorner with one O(4)Li5Co octahedra,  a cornercorner with one O(12)Li3Co2 square pyramid,  a cornercorner with one O(14)Li3Co2 trigonal bipyramid,  a cornercorner with one O(5)Li3Co2 trigonal bipyramid,  a cornercorner with one O(17)Li4Co trigonal bipyramid,  an edgeedge with one O(1)Li5Co octahedra,  an edgeedge with one O(6)Li3Co2 trigonal bipyramid, and  an edgeedge with one O(2)Li4Co trigonal bipyramid. The corner-sharing octahedral tilt angles range from 37-61°.