Li2V5O10 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a 5-coordinate geometry to one O(13), one O(20), one O(4), one O(6), and one O(8) atom. In the second Li site, Li(2) is bonded to one O(14), one O(19), one O(3), one O(5), and one O(7) atom to form distorted LiO5 square pyramids that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(7)O6 octahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 3-70°. In the third Li site, Li(3) is bonded in a 5-coordinate geometry to one O(15), one O(18), one O(2), one O(6), and one O(8) atom. In the fourth Li site, Li(4) is bonded to one O(1), one O(16), one O(17), one O(5), and one O(7) atom to form distorted LiO5 square pyramids that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(5)O6 octahedra,  a cornercorner with one V(8)O6 octahedra,  a cornercorner with one V(9)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(7)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 5-69°. There are ten inequivalent V sites. In the first V site, V(1) is bonded to one O(10), one O(11), one O(14), one O(15), one O(2), and one O(3) atom to form VO6 octahedra that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(5)O6 octahedra,  a cornercorner with one V(8)O6 octahedra,  a cornercorner with one V(9)O6 octahedra,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(8)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 9-23°. In the second V site, V(2) is bonded to one O(16), one O(17), one O(2), one O(5), one O(8), and one O(9) atom to form distorted VO6 octahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(8)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles are 16°. In the third V site, V(3) is bonded to one O(1), one O(10), one O(15), one O(18), one O(6), and one O(7) atom to form distorted VO6 octahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(8)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles are 14°. In the fourth V site, V(4) is bonded to one O(11), one O(14), one O(19), one O(4), one O(6), and one O(7) atom to form distorted VO6 octahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(8)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles are 17°. In the fifth V site, V(5) is bonded to one O(12), one O(13), one O(20), one O(3), one O(5), and one O(8) atom to form distorted VO6 octahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles are 9°. In the sixth V site, V(6) is bonded to one O(1), one O(12), one O(13), one O(16), one O(4), and one O(9) atom to form VO6 octahedra that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(7)O6 octahedra,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(8)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 14-23°. In the seventh V site, V(7) is bonded to one O(1), one O(12), one O(15), one O(17), one O(3), and one O(9) atom to form VO6 octahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles are 23°. In the eighth V site, V(8) is bonded to one O(10), one O(11), one O(16), one O(18), one O(2), and one O(4) atom to form distorted VO6 octahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and  an edgeedge with one V(9)O6 octahedra. The corner-sharing octahedral tilt angles are 17°. In the ninth V site, V(9) is bonded to one O(1), one O(10), one O(11), one O(13), one O(19), and one O(3) atom to form VO6 octahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(8)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles are 23°. In the tenth V site, V(10) is bonded to one O(12), one O(14), one O(2), one O(20), one O(4), and one O(9) atom to form distorted VO6 octahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(7)O6 octahedra, and  an edgeedge with one V(8)O6 octahedra. The corner-sharing octahedral tilt angles are 18°. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to one Li(4), one V(3), one V(6), one V(7), and one V(9) atom to form OLiV4 square pyramids that share  a cornercorner with one O(4)LiV4 square pyramid,  a cornercorner with one O(5)Li2V2 tetrahedra,  a cornercorner with one O(6)Li2V2 trigonal pyramid,  an edgeedge with one O(3)LiV4 square pyramid, and  an edgeedge with one O(7)Li2V2 tetrahedra. In the second O site, O(2) is bonded to one Li(3), one V(1), one V(10), one V(2), and one V(8) atom to form OLiV4 square pyramids that share  a cornercorner with one O(3)LiV4 square pyramid,  a cornercorner with one O(5)Li2V2 tetrahedra,  a cornercorner with one O(6)Li2V2 trigonal pyramid,  an edgeedge with one O(4)LiV4 square pyramid, and  an edgeedge with one O(8)Li2V2 tetrahedra. In the third O site, O(3) is bonded to one Li(2), one V(1), one V(5), one V(7), and one V(9) atom to form OLiV4 square pyramids that share  a cornercorner with one O(2)LiV4 square pyramid,  a cornercorner with one O(7)Li2V2 tetrahedra,  a cornercorner with one O(8)Li2V2 tetrahedra,  an edgeedge with one O(1)LiV4 square pyramid, and  an edgeedge with one O(5)Li2V2 tetrahedra. In the fourth O site, O(4) is bonded to one Li(1), one V(10), one V(4), one V(6), and one V(8) atom to form OLiV4 square pyramids that share  a cornercorner with one O(1)LiV4 square pyramid,  a cornercorner with one O(7)Li2V2 tetrahedra,  a cornercorner with one O(8)Li2V2 tetrahedra,  an edgeedge with one O(2)LiV4 square pyramid, and  an edgeedge with one O(6)Li2V2 trigonal pyramid. In the fifth O site, O(5) is bonded to one Li(2), one Li(4), one V(2), and one V(5) atom to form OLi2V2 tetrahedra that share  a cornercorner with one O(1)LiV4 square pyramid,  a cornercorner with one O(2)LiV4 square pyramid,  an edgeedge with one O(3)LiV4 square pyramid,  an edgeedge with one O(7)Li2V2 tetrahedra, and  an edgeedge with one O(8)Li2V2 tetrahedra. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one V(3), and one V(4) atom to form OLi2V2 trigonal pyramids that share  a cornercorner with one O(1)LiV4 square pyramid,  a cornercorner with one O(2)LiV4 square pyramid,  an edgeedge with one O(4)LiV4 square pyramid,  an edgeedge with one O(7)Li2V2 tetrahedra, and  an edgeedge with one O(8)Li2V2 tetrahedra. In the seventh O site, O(7) is bonded to one Li(2), one Li(4), one V(3), and one V(4) atom to form OLi2V2 tetrahedra that share  a cornercorner with one O(3)LiV4 square pyramid,  a cornercorner with one O(4)LiV4 square pyramid,  an edgeedge with one O(1)LiV4 square pyramid,  an edgeedge with one O(5)Li2V2 tetrahedra, and  an edgeedge with one O(6)Li2V2 trigonal pyramid. In the eighth O site, O(8) is bonded to one Li(1), one Li(3), one V(2), and one V(5) atom to form OLi2V2 tetrahedra that share  a cornercorner with one O(3)LiV4 square pyramid,  a cornercorner with one O(4)LiV4 square pyramid,  an edgeedge with one O(2)LiV4 square pyramid,  an edgeedge with one O(5)Li2V2 tetrahedra, and  an edgeedge with one O(6)Li2V2 trigonal pyramid. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one V(10), one V(2), one V(6), and one V(7) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one V(1), one V(3), one V(8), and one V(9) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one V(1), one V(4), one V(8), and one V(9) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one V(10), one V(5), one V(6), and one V(7) atom. In the thirteenth O site, O(13) is bonded in a see-saw-like geometry to one Li(1), one V(5), one V(6), and one V(9) atom. In the fourteenth O site, O(14) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one V(1), one V(10), and one V(4) atom. In the fifteenth O site, O(15) is bonded in a distorted see-saw-like geometry to one Li(3), one V(1), one V(3), and one V(7) atom. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one V(2), one V(6), and one V(8) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one Li(4), one V(2), and one V(7) atom. In the eighteenth O site, O(18) is bonded in a distorted T-shaped geometry to one Li(3), one V(3), and one V(8) atom. In the nineteenth O site, O(19) is bonded in a distorted T-shaped geometry to one Li(2), one V(4), and one V(9) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one V(10), and one V(5) atom.
Li2V5O10 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded in a 5-coordinate geometry to one O(13), one O(20), one O(4), one O(6), and one O(8) atom. The Li(1)-O(13) bond length is 2.08 Å. The Li(1)-O(20) bond length is 2.06 Å. The Li(1)-O(4) bond length is 2.49 Å. The Li(1)-O(6) bond length is 1.99 Å. The Li(1)-O(8) bond length is 2.07 Å. In the second Li site, Li(2) is bonded to one O(14), one O(19), one O(3), one O(5), and one O(7) atom to form distorted LiO5 square pyramids that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(7)O6 octahedra,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 3-70°. The Li(2)-O(14) bond length is 2.20 Å. The Li(2)-O(19) bond length is 2.04 Å. The Li(2)-O(3) bond length is 2.37 Å. The Li(2)-O(5) bond length is 1.97 Å. The Li(2)-O(7) bond length is 2.02 Å. In the third Li site, Li(3) is bonded in a 5-coordinate geometry to one O(15), one O(18), one O(2), one O(6), and one O(8) atom. The Li(3)-O(15) bond length is 2.07 Å. The Li(3)-O(18) bond length is 2.06 Å. The Li(3)-O(2) bond length is 2.50 Å. The Li(3)-O(6) bond length is 2.07 Å. The Li(3)-O(8) bond length is 1.98 Å. In the fourth Li site, Li(4) is bonded to one O(1), one O(16), one O(17), one O(5), and one O(7) atom to form distorted LiO5 square pyramids that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(5)O6 octahedra,  a cornercorner with one V(8)O6 octahedra,  a cornercorner with one V(9)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(7)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 5-69°. The Li(4)-O(1) bond length is 2.42 Å. The Li(4)-O(16) bond length is 2.22 Å. The Li(4)-O(17) bond length is 2.03 Å. The Li(4)-O(5) bond length is 2.03 Å. The Li(4)-O(7) bond length is 1.98 Å. There are ten inequivalent V sites. In the first V site, V(1) is bonded to one O(10), one O(11), one O(14), one O(15), one O(2), and one O(3) atom to form VO6 octahedra that share  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(5)O6 octahedra,  a cornercorner with one V(8)O6 octahedra,  a cornercorner with one V(9)O6 octahedra,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(8)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 9-23°. The V(1)-O(10) bond length is 2.05 Å. The V(1)-O(11) bond length is 2.04 Å. The V(1)-O(14) bond length is 2.08 Å. The V(1)-O(15) bond length is 2.01 Å. The V(1)-O(2) bond length is 2.05 Å. The V(1)-O(3) bond length is 2.04 Å. In the second V site, V(2) is bonded to one O(16), one O(17), one O(2), one O(5), one O(8), and one O(9) atom to form distorted VO6 octahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(8)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles are 16°. The V(2)-O(16) bond length is 2.22 Å. The V(2)-O(17) bond length is 1.75 Å. The V(2)-O(2) bond length is 2.07 Å. The V(2)-O(5) bond length is 1.94 Å. The V(2)-O(8) bond length is 1.87 Å. The V(2)-O(9) bond length is 2.18 Å. In the third V site, V(3) is bonded to one O(1), one O(10), one O(15), one O(18), one O(6), and one O(7) atom to form distorted VO6 octahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(8)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles are 14°. The V(3)-O(1) bond length is 2.09 Å. The V(3)-O(10) bond length is 2.20 Å. The V(3)-O(15) bond length is 2.04 Å. The V(3)-O(18) bond length is 1.82 Å. The V(3)-O(6) bond length is 1.93 Å. The V(3)-O(7) bond length is 1.88 Å. In the fourth V site, V(4) is bonded to one O(11), one O(14), one O(19), one O(4), one O(6), and one O(7) atom to form distorted VO6 octahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(8)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles are 17°. The V(4)-O(11) bond length is 2.15 Å. The V(4)-O(14) bond length is 2.24 Å. The V(4)-O(19) bond length is 1.77 Å. The V(4)-O(4) bond length is 2.05 Å. The V(4)-O(6) bond length is 1.87 Å. The V(4)-O(7) bond length is 1.94 Å. In the fifth V site, V(5) is bonded to one O(12), one O(13), one O(20), one O(3), one O(5), and one O(8) atom to form distorted VO6 octahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles are 9°. The V(5)-O(12) bond length is 2.21 Å. The V(5)-O(13) bond length is 2.05 Å. The V(5)-O(20) bond length is 1.83 Å. The V(5)-O(3) bond length is 2.08 Å. The V(5)-O(5) bond length is 1.88 Å. The V(5)-O(8) bond length is 1.94 Å. In the sixth V site, V(6) is bonded to one O(1), one O(12), one O(13), one O(16), one O(4), and one O(9) atom to form VO6 octahedra that share  a cornercorner with one V(10)O6 octahedra,  a cornercorner with one V(3)O6 octahedra,  a cornercorner with one V(4)O6 octahedra,  a cornercorner with one V(7)O6 octahedra,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(8)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 14-23°. The V(6)-O(1) bond length is 2.08 Å. The V(6)-O(12) bond length is 2.03 Å. The V(6)-O(13) bond length is 2.01 Å. The V(6)-O(16) bond length is 2.07 Å. The V(6)-O(4) bond length is 2.06 Å. The V(6)-O(9) bond length is 2.03 Å. In the seventh V site, V(7) is bonded to one O(1), one O(12), one O(15), one O(17), one O(3), and one O(9) atom to form VO6 octahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(9)O6 octahedra, and  an edgeedge with one Li(4)O5 square pyramid. The corner-sharing octahedral tilt angles are 23°. The V(7)-O(1) bond length is 2.08 Å. The V(7)-O(12) bond length is 2.08 Å. The V(7)-O(15) bond length is 1.96 Å. The V(7)-O(17) bond length is 2.06 Å. The V(7)-O(3) bond length is 2.15 Å. The V(7)-O(9) bond length is 2.02 Å. In the eighth V site, V(8) is bonded to one O(10), one O(11), one O(16), one O(18), one O(2), and one O(4) atom to form distorted VO6 octahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(10)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(6)O6 octahedra, and  an edgeedge with one V(9)O6 octahedra. The corner-sharing octahedral tilt angles are 17°. The V(8)-O(10) bond length is 1.95 Å. The V(8)-O(11) bond length is 2.00 Å. The V(8)-O(16) bond length is 1.82 Å. The V(8)-O(18) bond length is 1.93 Å. The V(8)-O(2) bond length is 2.05 Å. The V(8)-O(4) bond length is 2.18 Å. In the ninth V site, V(9) is bonded to one O(1), one O(10), one O(11), one O(13), one O(19), and one O(3) atom to form VO6 octahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one Li(4)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(3)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(7)O6 octahedra,  an edgeedge with one V(8)O6 octahedra, and  an edgeedge with one Li(2)O5 square pyramid. The corner-sharing octahedral tilt angles are 23°. The V(9)-O(1) bond length is 2.14 Å. The V(9)-O(10) bond length is 2.05 Å. The V(9)-O(11) bond length is 2.07 Å. The V(9)-O(13) bond length is 1.97 Å. The V(9)-O(19) bond length is 2.02 Å. The V(9)-O(3) bond length is 2.10 Å. In the tenth V site, V(10) is bonded to one O(12), one O(14), one O(2), one O(20), one O(4), and one O(9) atom to form distorted VO6 octahedra that share  a cornercorner with one V(6)O6 octahedra,  a cornercorner with one Li(2)O5 square pyramid,  an edgeedge with one V(1)O6 octahedra,  an edgeedge with one V(2)O6 octahedra,  an edgeedge with one V(4)O6 octahedra,  an edgeedge with one V(5)O6 octahedra,  an edgeedge with one V(6)O6 octahedra,  an edgeedge with one V(7)O6 octahedra, and  an edgeedge with one V(8)O6 octahedra. The corner-sharing octahedral tilt angles are 18°. The V(10)-O(12) bond length is 1.97 Å. The V(10)-O(14) bond length is 1.80 Å. The V(10)-O(2) bond length is 2.17 Å. The V(10)-O(20) bond length is 1.92 Å. The V(10)-O(4) bond length is 2.05 Å. The V(10)-O(9) bond length is 2.03 Å. There are twenty inequivalent O sites. In the first O site, O(1) is bonded to one Li(4), one V(3), one V(6), one V(7), and one V(9) atom to form OLiV4 square pyramids that share  a cornercorner with one O(4)LiV4 square pyramid,  a cornercorner with one O(5)Li2V2 tetrahedra,  a cornercorner with one O(6)Li2V2 trigonal pyramid,  an edgeedge with one O(3)LiV4 square pyramid, and  an edgeedge with one O(7)Li2V2 tetrahedra. In the second O site, O(2) is bonded to one Li(3), one V(1), one V(10), one V(2), and one V(8) atom to form OLiV4 square pyramids that share  a cornercorner with one O(3)LiV4 square pyramid,  a cornercorner with one O(5)Li2V2 tetrahedra,  a cornercorner with one O(6)Li2V2 trigonal pyramid,  an edgeedge with one O(4)LiV4 square pyramid, and  an edgeedge with one O(8)Li2V2 tetrahedra. In the third O site, O(3) is bonded to one Li(2), one V(1), one V(5), one V(7), and one V(9) atom to form OLiV4 square pyramids that share  a cornercorner with one O(2)LiV4 square pyramid,  a cornercorner with one O(7)Li2V2 tetrahedra,  a cornercorner with one O(8)Li2V2 tetrahedra,  an edgeedge with one O(1)LiV4 square pyramid, and  an edgeedge with one O(5)Li2V2 tetrahedra. In the fourth O site, O(4) is bonded to one Li(1), one V(10), one V(4), one V(6), and one V(8) atom to form OLiV4 square pyramids that share  a cornercorner with one O(1)LiV4 square pyramid,  a cornercorner with one O(7)Li2V2 tetrahedra,  a cornercorner with one O(8)Li2V2 tetrahedra,  an edgeedge with one O(2)LiV4 square pyramid, and  an edgeedge with one O(6)Li2V2 trigonal pyramid. In the fifth O site, O(5) is bonded to one Li(2), one Li(4), one V(2), and one V(5) atom to form OLi2V2 tetrahedra that share  a cornercorner with one O(1)LiV4 square pyramid,  a cornercorner with one O(2)LiV4 square pyramid,  an edgeedge with one O(3)LiV4 square pyramid,  an edgeedge with one O(7)Li2V2 tetrahedra, and  an edgeedge with one O(8)Li2V2 tetrahedra. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one V(3), and one V(4) atom to form OLi2V2 trigonal pyramids that share  a cornercorner with one O(1)LiV4 square pyramid,  a cornercorner with one O(2)LiV4 square pyramid,  an edgeedge with one O(4)LiV4 square pyramid,  an edgeedge with one O(7)Li2V2 tetrahedra, and  an edgeedge with one O(8)Li2V2 tetrahedra. In the seventh O site, O(7) is bonded to one Li(2), one Li(4), one V(3), and one V(4) atom to form OLi2V2 tetrahedra that share  a cornercorner with one O(3)LiV4 square pyramid,  a cornercorner with one O(4)LiV4 square pyramid,  an edgeedge with one O(1)LiV4 square pyramid,  an edgeedge with one O(5)Li2V2 tetrahedra, and  an edgeedge with one O(6)Li2V2 trigonal pyramid. In the eighth O site, O(8) is bonded to one Li(1), one Li(3), one V(2), and one V(5) atom to form OLi2V2 tetrahedra that share  a cornercorner with one O(3)LiV4 square pyramid,  a cornercorner with one O(4)LiV4 square pyramid,  an edgeedge with one O(2)LiV4 square pyramid,  an edgeedge with one O(5)Li2V2 tetrahedra, and  an edgeedge with one O(6)Li2V2 trigonal pyramid. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one V(10), one V(2), one V(6), and one V(7) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one V(1), one V(3), one V(8), and one V(9) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one V(1), one V(4), one V(8), and one V(9) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one V(10), one V(5), one V(6), and one V(7) atom. In the thirteenth O site, O(13) is bonded in a see-saw-like geometry to one Li(1), one V(5), one V(6), and one V(9) atom. In the fourteenth O site, O(14) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one V(1), one V(10), and one V(4) atom. In the fifteenth O site, O(15) is bonded in a distorted see-saw-like geometry to one Li(3), one V(1), one V(3), and one V(7) atom. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one V(2), one V(6), and one V(8) atom. In the seventeenth O site, O(17) is bonded in a distorted T-shaped geometry to one Li(4), one V(2), and one V(7) atom. In the eighteenth O site, O(18) is bonded in a distorted T-shaped geometry to one Li(3), one V(3), and one V(8) atom. In the nineteenth O site, O(19) is bonded in a distorted T-shaped geometry to one Li(2), one V(4), and one V(9) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one V(10), and one V(5) atom.