Li2VCO5 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(19), two equivalent O(17), and two equivalent O(3) atoms to form LiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent V(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, and edges with two equivalent V(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 58-65°. In the second Li site, Li(2) is bonded to one O(1), one O(20), two equivalent O(16), and two equivalent O(5) atoms to form LiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent V(1)O6 octahedra, and edges with two equivalent V(4)O6 octahedra. The corner-sharing octahedral tilt angles are 65°. In the third Li site, Li(3) is bonded to one O(18), one O(3), two equivalent O(19), and two equivalent O(2) atoms to form LiO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent V(3)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, and edges with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-16°. In the fourth Li site, Li(4) is bonded to one O(2), one O(20), two equivalent O(18), and two equivalent O(4) atoms to form LiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent V(4)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and edges with two equivalent V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 59-65°. In the fifth Li site, Li(5) is bonded to one O(11), one O(9), two equivalent O(13), and two equivalent O(7) atoms to form LiO6 octahedra that share  a cornercorner with one Li(6)O6 octahedra, corners with two equivalent V(3)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, and edges with two equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 58-65°. In the sixth Li site, Li(6) is bonded to one O(10), one O(11), two equivalent O(15), and two equivalent O(6) atoms to form LiO6 octahedra that share  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Li(8)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent V(2)O6 octahedra, and edges with two equivalent V(3)O6 octahedra. The corner-sharing octahedral tilt angles are 65°. In the seventh Li site, Li(7) is bonded to one O(13), one O(8), two equivalent O(12), and two equivalent O(9) atoms to form LiO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(4)O6 octahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(4)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, and edges with two equivalent Li(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-16°. In the eighth Li site, Li(8) is bonded to one O(10), one O(12), two equivalent O(14), and two equivalent O(8) atoms to form LiO6 octahedra that share  a cornercorner with one Li(6)O6 octahedra, corners with two equivalent V(2)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and edges with two equivalent V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-65°. There are four inequivalent V sites. In the first V site, V(1) is bonded to one O(5), one O(7), two equivalent O(1), and two equivalent O(9) atoms to form VO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(7)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and edges with two equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-63°. In the second V site, V(2) is bonded to one O(4), one O(6), two equivalent O(10), and two equivalent O(2) atoms to form VO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(8)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and edges with two equivalent V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-65°. In the third V site, V(3) is bonded to one O(15), one O(17), two equivalent O(11), and two equivalent O(19) atoms to form VO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(5)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and edges with two equivalent V(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-63°. In the fourth V site, V(4) is bonded to one O(14), one O(16), two equivalent O(12), and two equivalent O(20) atoms to form VO6 octahedra that share corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Li(7)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and edges with two equivalent V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-63°. There are four inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(8) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(3), one O(6), and one O(7) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(14), one O(15), and one O(18) atom. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one O(13), one O(16), and one O(17) atom. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), and two equivalent V(1) atoms to form OLi2V2 tetrahedra that share  a cornercorner with one O(19)Li3V2 square pyramid, corners with two equivalent O(9)Li3V2 square pyramids,  a cornercorner with one O(20)Li2V2 tetrahedra, corners with two equivalent O(1)Li2V2 tetrahedra, and  an edgeedge with one O(9)Li3V2 square pyramid. In the second O site, O(2) is bonded to one Li(4), two equivalent Li(3), and two equivalent V(2) atoms to form OLi3V2 square pyramids that share corners with two equivalent O(19)Li3V2 square pyramids,  a cornercorner with one O(20)Li2V2 tetrahedra, corners with two equivalent O(10)Li2V2 tetrahedra,  an edgeedge with one O(19)Li3V2 square pyramid, edges with two equivalent O(2)Li3V2 square pyramids, and  an edgeedge with one O(10)Li2V2 tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(3), two equivalent Li(1), and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(4), one V(2), and one C(1) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to two equivalent Li(2), one V(1), and one C(1) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to two equivalent Li(6), one V(2), and one C(2) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(5), one V(1), and one C(2) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(7), two equivalent Li(8), and one C(1) atom. In the ninth O site, O(9) is bonded to one Li(5), two equivalent Li(7), and two equivalent V(1) atoms to form OLi3V2 square pyramids that share corners with two equivalent O(12)Li3V2 square pyramids,  a cornercorner with one O(11)Li2V2 tetrahedra, corners with two equivalent O(1)Li2V2 tetrahedra,  an edgeedge with one O(12)Li3V2 square pyramid, edges with two equivalent O(9)Li3V2 square pyramids, and  an edgeedge with one O(1)Li2V2 tetrahedra. In the tenth O site, O(10) is bonded to one Li(6), one Li(8), and two equivalent V(2) atoms to form OLi2V2 tetrahedra that share  a cornercorner with one O(12)Li3V2 square pyramid, corners with two equivalent O(2)Li3V2 square pyramids,  a cornercorner with one O(11)Li2V2 tetrahedra, corners with two equivalent O(10)Li2V2 tetrahedra, and  an edgeedge with one O(2)Li3V2 square pyramid. In the eleventh O site, O(11) is bonded to one Li(5), one Li(6), and two equivalent V(3) atoms to form OLi2V2 tetrahedra that share  a cornercorner with one O(9)Li3V2 square pyramid, corners with two equivalent O(19)Li3V2 square pyramids,  a cornercorner with one O(10)Li2V2 tetrahedra, corners with two equivalent O(11)Li2V2 tetrahedra, and  an edgeedge with one O(19)Li3V2 square pyramid. In the twelfth O site, O(12) is bonded to one Li(8), two equivalent Li(7), and two equivalent V(4) atoms to form OLi3V2 square pyramids that share corners with two equivalent O(9)Li3V2 square pyramids,  a cornercorner with one O(10)Li2V2 tetrahedra, corners with two equivalent O(20)Li2V2 tetrahedra,  an edgeedge with one O(9)Li3V2 square pyramid, edges with two equivalent O(12)Li3V2 square pyramids, and  an edgeedge with one O(20)Li2V2 tetrahedra. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(7), two equivalent Li(5), and one C(4) atom. In the fourteenth O site, O(14) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(8), one V(4), and one C(3) atom. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to two equivalent Li(6), one V(3), and one C(3) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to two equivalent Li(2), one V(4), and one C(4) atom. In the seventeenth O site, O(17) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(1), one V(3), and one C(4) atom. In the eighteenth O site, O(18) is bonded in a rectangular see-saw-like geometry to one Li(3), two equivalent Li(4), and one C(3) atom. In the nineteenth O site, O(19) is bonded to one Li(1), two equivalent Li(3), and two equivalent V(3) atoms to form OLi3V2 square pyramids that share corners with two equivalent O(2)Li3V2 square pyramids,  a cornercorner with one O(1)Li2V2 tetrahedra, corners with two equivalent O(11)Li2V2 tetrahedra,  an edgeedge with one O(2)Li3V2 square pyramid, edges with two equivalent O(19)Li3V2 square pyramids, and  an edgeedge with one O(11)Li2V2 tetrahedra. In the twentieth O site, O(20) is bonded to one Li(2), one Li(4), and two equivalent V(4) atoms to form OLi2V2 tetrahedra that share  a cornercorner with one O(2)Li3V2 square pyramid, corners with two equivalent O(12)Li3V2 square pyramids,  a cornercorner with one O(1)Li2V2 tetrahedra, corners with two equivalent O(20)Li2V2 tetrahedra, and  an edgeedge with one O(12)Li3V2 square pyramid.
Li2VCO5 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(19), two equivalent O(17), and two equivalent O(3) atoms to form LiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent V(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, and edges with two equivalent V(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 58-65°. The Li(1)-O(1) bond length is 1.97 Å. The Li(1)-O(19) bond length is 2.09 Å. There is one shorter (2.21 Å) and one longer (2.22 Å) Li(1)-O(17) bond length. There is one shorter (2.11 Å) and one longer (2.13 Å) Li(1)-O(3) bond length. In the second Li site, Li(2) is bonded to one O(1), one O(20), two equivalent O(16), and two equivalent O(5) atoms to form LiO6 octahedra that share  a cornercorner with one Li(1)O6 octahedra,  a cornercorner with one Li(4)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent V(1)O6 octahedra, and edges with two equivalent V(4)O6 octahedra. The corner-sharing octahedral tilt angles are 65°. The Li(2)-O(1) bond length is 2.05 Å. The Li(2)-O(20) bond length is 2.04 Å. There is one shorter (2.15 Å) and one longer (2.16 Å) Li(2)-O(16) bond length. There is one shorter (2.15 Å) and one longer (2.16 Å) Li(2)-O(5) bond length. In the third Li site, Li(3) is bonded to one O(18), one O(3), two equivalent O(19), and two equivalent O(2) atoms to form LiO6 octahedra that share corners with two equivalent V(2)O6 octahedra, corners with two equivalent V(3)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, and edges with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-16°. The Li(3)-O(18) bond length is 2.08 Å. The Li(3)-O(3) bond length is 2.07 Å. There is one shorter (2.10 Å) and one longer (2.13 Å) Li(3)-O(19) bond length. There is one shorter (2.06 Å) and one longer (2.18 Å) Li(3)-O(2) bond length. In the fourth Li site, Li(4) is bonded to one O(2), one O(20), two equivalent O(18), and two equivalent O(4) atoms to form LiO6 octahedra that share  a cornercorner with one Li(2)O6 octahedra, corners with two equivalent V(4)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and edges with two equivalent V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 59-65°. The Li(4)-O(2) bond length is 2.09 Å. The Li(4)-O(20) bond length is 1.97 Å. There is one shorter (2.12 Å) and one longer (2.13 Å) Li(4)-O(18) bond length. There is one shorter (2.19 Å) and one longer (2.24 Å) Li(4)-O(4) bond length. In the fifth Li site, Li(5) is bonded to one O(11), one O(9), two equivalent O(13), and two equivalent O(7) atoms to form LiO6 octahedra that share  a cornercorner with one Li(6)O6 octahedra, corners with two equivalent V(3)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, and edges with two equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 58-65°. The Li(5)-O(11) bond length is 1.97 Å. The Li(5)-O(9) bond length is 2.09 Å. Both Li(5)-O(13) bond lengths are 2.12 Å. There is one shorter (2.20 Å) and one longer (2.23 Å) Li(5)-O(7) bond length. In the sixth Li site, Li(6) is bonded to one O(10), one O(11), two equivalent O(15), and two equivalent O(6) atoms to form LiO6 octahedra that share  a cornercorner with one Li(5)O6 octahedra,  a cornercorner with one Li(8)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent V(2)O6 octahedra, and edges with two equivalent V(3)O6 octahedra. The corner-sharing octahedral tilt angles are 65°. The Li(6)-O(10) bond length is 2.05 Å. The Li(6)-O(11) bond length is 2.04 Å. There is one shorter (2.14 Å) and one longer (2.17 Å) Li(6)-O(15) bond length. There is one shorter (2.13 Å) and one longer (2.18 Å) Li(6)-O(6) bond length. In the seventh Li site, Li(7) is bonded to one O(13), one O(8), two equivalent O(12), and two equivalent O(9) atoms to form LiO6 octahedra that share corners with two equivalent V(1)O6 octahedra, corners with two equivalent V(4)O6 octahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(4)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, and edges with two equivalent Li(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-16°. The Li(7)-O(13) bond length is 2.08 Å. The Li(7)-O(8) bond length is 2.07 Å. There is one shorter (2.08 Å) and one longer (2.15 Å) Li(7)-O(12) bond length. There is one shorter (2.08 Å) and one longer (2.15 Å) Li(7)-O(9) bond length. In the eighth Li site, Li(8) is bonded to one O(10), one O(12), two equivalent O(14), and two equivalent O(8) atoms to form LiO6 octahedra that share  a cornercorner with one Li(6)O6 octahedra, corners with two equivalent V(2)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and edges with two equivalent V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-65°. The Li(8)-O(10) bond length is 1.97 Å. The Li(8)-O(12) bond length is 2.09 Å. There is one shorter (2.21 Å) and one longer (2.22 Å) Li(8)-O(14) bond length. There is one shorter (2.11 Å) and one longer (2.13 Å) Li(8)-O(8) bond length. There are four inequivalent V sites. In the first V site, V(1) is bonded to one O(5), one O(7), two equivalent O(1), and two equivalent O(9) atoms to form VO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(7)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, and edges with two equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-63°. The V(1)-O(5) bond length is 2.09 Å. The V(1)-O(7) bond length is 2.08 Å. There is one shorter (1.85 Å) and one longer (1.98 Å) V(1)-O(1) bond length. There is one shorter (1.87 Å) and one longer (2.03 Å) V(1)-O(9) bond length. In the second V site, V(2) is bonded to one O(4), one O(6), two equivalent O(10), and two equivalent O(2) atoms to form VO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(8)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and edges with two equivalent V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-65°. The V(2)-O(4) bond length is 2.08 Å. The V(2)-O(6) bond length is 2.09 Å. There is one shorter (1.85 Å) and one longer (1.98 Å) V(2)-O(10) bond length. There is one shorter (1.88 Å) and one longer (2.01 Å) V(2)-O(2) bond length. In the third V site, V(3) is bonded to one O(15), one O(17), two equivalent O(11), and two equivalent O(19) atoms to form VO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(5)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and edges with two equivalent V(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-63°. The V(3)-O(15) bond length is 2.09 Å. The V(3)-O(17) bond length is 2.08 Å. There is one shorter (1.85 Å) and one longer (1.98 Å) V(3)-O(11) bond length. There is one shorter (1.87 Å) and one longer (2.03 Å) V(3)-O(19) bond length. In the fourth V site, V(4) is bonded to one O(14), one O(16), two equivalent O(12), and two equivalent O(20) atoms to form VO6 octahedra that share corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Li(7)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and edges with two equivalent V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 14-63°. The V(4)-O(14) bond length is 2.08 Å. The V(4)-O(16) bond length is 2.09 Å. There is one shorter (1.87 Å) and one longer (2.03 Å) V(4)-O(12) bond length. There is one shorter (1.85 Å) and one longer (1.98 Å) V(4)-O(20) bond length. There are four inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(8) atom. The C(1)-O(4) bond length is 1.31 Å. The C(1)-O(5) bond length is 1.32 Å. The C(1)-O(8) bond length is 1.26 Å. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(3), one O(6), and one O(7) atom. The C(2)-O(3) bond length is 1.26 Å. The C(2)-O(6) bond length is 1.32 Å. The C(2)-O(7) bond length is 1.31 Å. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(14), one O(15), and one O(18) atom. The C(3)-O(14) bond length is 1.31 Å. The C(3)-O(15) bond length is 1.32 Å. The C(3)-O(18) bond length is 1.27 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one O(13), one O(16), and one O(17) atom. The C(4)-O(13) bond length is 1.27 Å. The C(4)-O(16) bond length is 1.32 Å. The C(4)-O(17) bond length is 1.31 Å. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), and two equivalent V(1) atoms to form OLi2V2 tetrahedra that share  a cornercorner with one O(19)Li3V2 square pyramid, corners with two equivalent O(9)Li3V2 square pyramids,  a cornercorner with one O(20)Li2V2 tetrahedra, corners with two equivalent O(1)Li2V2 tetrahedra, and  an edgeedge with one O(9)Li3V2 square pyramid. In the second O site, O(2) is bonded to one Li(4), two equivalent Li(3), and two equivalent V(2) atoms to form OLi3V2 square pyramids that share corners with two equivalent O(19)Li3V2 square pyramids,  a cornercorner with one O(20)Li2V2 tetrahedra, corners with two equivalent O(10)Li2V2 tetrahedra,  an edgeedge with one O(19)Li3V2 square pyramid, edges with two equivalent O(2)Li3V2 square pyramids, and  an edgeedge with one O(10)Li2V2 tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(3), two equivalent Li(1), and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(4), one V(2), and one C(1) atom. In the fifth O site, O(5) is bonded in a rectangular see-saw-like geometry to two equivalent Li(2), one V(1), and one C(1) atom. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to two equivalent Li(6), one V(2), and one C(2) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(5), one V(1), and one C(2) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(7), two equivalent Li(8), and one C(1) atom. In the ninth O site, O(9) is bonded to one Li(5), two equivalent Li(7), and two equivalent V(1) atoms to form OLi3V2 square pyramids that share corners with two equivalent O(12)Li3V2 square pyramids,  a cornercorner with one O(11)Li2V2 tetrahedra, corners with two equivalent O(1)Li2V2 tetrahedra,  an edgeedge with one O(12)Li3V2 square pyramid, edges with two equivalent O(9)Li3V2 square pyramids, and  an edgeedge with one O(1)Li2V2 tetrahedra. In the tenth O site, O(10) is bonded to one Li(6), one Li(8), and two equivalent V(2) atoms to form OLi2V2 tetrahedra that share  a cornercorner with one O(12)Li3V2 square pyramid, corners with two equivalent O(2)Li3V2 square pyramids,  a cornercorner with one O(11)Li2V2 tetrahedra, corners with two equivalent O(10)Li2V2 tetrahedra, and  an edgeedge with one O(2)Li3V2 square pyramid. In the eleventh O site, O(11) is bonded to one Li(5), one Li(6), and two equivalent V(3) atoms to form OLi2V2 tetrahedra that share  a cornercorner with one O(9)Li3V2 square pyramid, corners with two equivalent O(19)Li3V2 square pyramids,  a cornercorner with one O(10)Li2V2 tetrahedra, corners with two equivalent O(11)Li2V2 tetrahedra, and  an edgeedge with one O(19)Li3V2 square pyramid. In the twelfth O site, O(12) is bonded to one Li(8), two equivalent Li(7), and two equivalent V(4) atoms to form OLi3V2 square pyramids that share corners with two equivalent O(9)Li3V2 square pyramids,  a cornercorner with one O(10)Li2V2 tetrahedra, corners with two equivalent O(20)Li2V2 tetrahedra,  an edgeedge with one O(9)Li3V2 square pyramid, edges with two equivalent O(12)Li3V2 square pyramids, and  an edgeedge with one O(20)Li2V2 tetrahedra. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(7), two equivalent Li(5), and one C(4) atom. In the fourteenth O site, O(14) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(8), one V(4), and one C(3) atom. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to two equivalent Li(6), one V(3), and one C(3) atom. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to two equivalent Li(2), one V(4), and one C(4) atom. In the seventeenth O site, O(17) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Li(1), one V(3), and one C(4) atom. In the eighteenth O site, O(18) is bonded in a rectangular see-saw-like geometry to one Li(3), two equivalent Li(4), and one C(3) atom. In the nineteenth O site, O(19) is bonded to one Li(1), two equivalent Li(3), and two equivalent V(3) atoms to form OLi3V2 square pyramids that share corners with two equivalent O(2)Li3V2 square pyramids,  a cornercorner with one O(1)Li2V2 tetrahedra, corners with two equivalent O(11)Li2V2 tetrahedra,  an edgeedge with one O(2)Li3V2 square pyramid, edges with two equivalent O(19)Li3V2 square pyramids, and  an edgeedge with one O(11)Li2V2 tetrahedra. In the twentieth O site, O(20) is bonded to one Li(2), one Li(4), and two equivalent V(4) atoms to form OLi2V2 tetrahedra that share  a cornercorner with one O(2)Li3V2 square pyramid, corners with two equivalent O(12)Li3V2 square pyramids,  a cornercorner with one O(1)Li2V2 tetrahedra, corners with two equivalent O(20)Li2V2 tetrahedra, and  an edgeedge with one O(12)Li3V2 square pyramid.