Li4V2Fe3Sb3O16 is Spinel-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(12), one O(15), and one O(3) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Sb(3)O6 octahedra, and corners with three equivalent V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-69°. In the second Li site, Li(2) is bonded to one O(14), one O(16), one O(5), and one O(9) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(3)O6 octahedra, corners with three equivalent V(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and  an edgeedge with one Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-71°. In the third Li site, Li(3) is bonded to one O(1), one O(10), one O(4), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with three equivalent V(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and  an edgeedge with one Sb(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-68°. In the fourth Li site, Li(4) is bonded to one O(13), one O(2), one O(7), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(3)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, and corners with three equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-64°. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(8) atom to form distorted VO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Sb(3)O6 octahedra, corners with three equivalent Li(3)O4 tetrahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and  an edgeedge with one Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. In the second V site, V(2) is bonded to one O(11), one O(12), one O(14), one O(15), one O(16), and one O(9) atom to form VO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, corners with three equivalent Li(1)O4 trigonal pyramids, corners with three equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and  an edgeedge with one Sb(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-53°. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(14), one O(16), one O(3), one O(4), one O(7), and one O(8) atom to form FeO6 octahedra that share corners with two equivalent V(2)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, edges with two equivalent Sb(2)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 51-52°. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(11), one O(13), one O(15), and one O(5) atom to form FeO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid, corners with two equivalent Li(1)O4 trigonal pyramids,  an edgeedge with one V(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Sb(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 53-55°. In the third Fe site, Fe(3) is bonded to one O(10), one O(12), one O(13), one O(15), one O(5), and one O(6) atom to form FeO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid, corners with two equivalent Li(1)O4 trigonal pyramids,  an edgeedge with one V(2)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Sb(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-52°. There are three inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(14), one O(2), one O(3), one O(4), one O(7), and one O(9) atom to form SbO6 octahedra that share corners with two equivalent V(2)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Sb(2)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 52-53°. In the second Sb site, Sb(2) is bonded to one O(16), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form SbO6 octahedra that share corners with two equivalent V(2)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 51-53°. In the third Sb site, Sb(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(5), and one O(6) atom to form SbO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid, corners with two equivalent Li(1)O4 trigonal pyramids,  an edgeedge with one V(2)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-53°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(3), one V(1), one Fe(2), and one Sb(3) atom. In the second O site, O(2) is bonded to one Li(4), one V(1), one Sb(1), and one Sb(2) atom to form distorted OLiVSb2 trigonal pyramids that share  a cornercorner with one O(7)LiVFeSb tetrahedra,  a cornercorner with one O(8)LiVFeSb tetrahedra, corners with two equivalent O(4)LiFeSb2 tetrahedra,  an edgeedge with one O(7)LiVFeSb tetrahedra, and  an edgeedge with one O(8)LiVFeSb tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(1), one Sb(1), and one Sb(2) atom. In the fourth O site, O(4) is bonded to one Li(3), one Fe(1), one Sb(1), and one Sb(2) atom to form distorted OLiFeSb2 tetrahedra that share corners with two equivalent O(7)LiVFeSb tetrahedra, corners with two equivalent O(8)LiVFeSb tetrahedra, and corners with two equivalent O(2)LiVSb2 trigonal pyramids. In the fifth O site, O(5) is bonded to one Li(2), one Fe(2), one Fe(3), and one Sb(3) atom to form distorted corner-sharing OLiFe2Sb tetrahedra. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one V(1), one Fe(3), and one Sb(3) atom. In the seventh O site, O(7) is bonded to one Li(4), one V(1), one Fe(1), and one Sb(1) atom to form distorted OLiVFeSb tetrahedra that share  a cornercorner with one O(8)LiVFeSb tetrahedra, corners with two equivalent O(4)LiFeSb2 tetrahedra,  a cornercorner with one O(2)LiVSb2 trigonal pyramid,  an edgeedge with one O(8)LiVFeSb tetrahedra, and  an edgeedge with one O(2)LiVSb2 trigonal pyramid. In the eighth O site, O(8) is bonded to one Li(4), one V(1), one Fe(1), and one Sb(2) atom to form distorted OLiVFeSb tetrahedra that share  a cornercorner with one O(7)LiVFeSb tetrahedra, corners with two equivalent O(4)LiFeSb2 tetrahedra,  a cornercorner with one O(2)LiVSb2 trigonal pyramid,  an edgeedge with one O(7)LiVFeSb tetrahedra, and  an edgeedge with one O(2)LiVSb2 trigonal pyramid. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one V(2), one Sb(1), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one V(1), one Fe(2), and one Fe(3) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(1), one V(2), one Fe(2), and one Sb(3) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Li(1), one V(2), one Fe(3), and one Sb(3) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(4), one Fe(2), one Fe(3), and one Sb(3) atom. In the fourteenth O site, O(14) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one V(2), one Fe(1), and one Sb(1) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one V(2), one Fe(2), and one Fe(3) atom to form distorted corner-sharing OLiVFe2 tetrahedra. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one V(2), one Fe(1), and one Sb(2) atom.
Li4V2Fe3Sb3O16 is Spinel-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(11), one O(12), one O(15), and one O(3) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Sb(3)O6 octahedra, and corners with three equivalent V(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-69°. The Li(1)-O(11) bond length is 2.01 Å. The Li(1)-O(12) bond length is 2.03 Å. The Li(1)-O(15) bond length is 1.99 Å. The Li(1)-O(3) bond length is 2.16 Å. In the second Li site, Li(2) is bonded to one O(14), one O(16), one O(5), and one O(9) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(3)O6 octahedra, corners with three equivalent V(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and  an edgeedge with one Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-71°. The Li(2)-O(14) bond length is 1.95 Å. The Li(2)-O(16) bond length is 1.97 Å. The Li(2)-O(5) bond length is 1.77 Å. The Li(2)-O(9) bond length is 2.19 Å. In the third Li site, Li(3) is bonded to one O(1), one O(10), one O(4), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one Sb(2)O6 octahedra, corners with three equivalent V(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and  an edgeedge with one Sb(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-68°. The Li(3)-O(1) bond length is 1.99 Å. The Li(3)-O(10) bond length is 1.91 Å. The Li(3)-O(4) bond length is 1.82 Å. The Li(3)-O(6) bond length is 2.05 Å. In the fourth Li site, Li(4) is bonded to one O(13), one O(2), one O(7), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra,  a cornercorner with one Sb(3)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, and corners with three equivalent V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-64°. The Li(4)-O(13) bond length is 1.95 Å. The Li(4)-O(2) bond length is 2.12 Å. The Li(4)-O(7) bond length is 2.05 Å. The Li(4)-O(8) bond length is 2.02 Å. There are two inequivalent V sites. In the first V site, V(1) is bonded to one O(1), one O(10), one O(2), one O(6), one O(7), and one O(8) atom to form distorted VO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Sb(3)O6 octahedra, corners with three equivalent Li(3)O4 tetrahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Sb(1)O6 octahedra, and  an edgeedge with one Sb(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. The V(1)-O(1) bond length is 2.07 Å. The V(1)-O(10) bond length is 1.93 Å. The V(1)-O(2) bond length is 2.26 Å. The V(1)-O(6) bond length is 2.11 Å. The V(1)-O(7) bond length is 2.19 Å. The V(1)-O(8) bond length is 2.21 Å. In the second V site, V(2) is bonded to one O(11), one O(12), one O(14), one O(15), one O(16), and one O(9) atom to form VO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Sb(1)O6 octahedra, corners with two equivalent Sb(2)O6 octahedra, corners with three equivalent Li(1)O4 trigonal pyramids, corners with three equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, and  an edgeedge with one Sb(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-53°. The V(2)-O(11) bond length is 2.03 Å. The V(2)-O(12) bond length is 2.10 Å. The V(2)-O(14) bond length is 2.17 Å. The V(2)-O(15) bond length is 1.93 Å. The V(2)-O(16) bond length is 2.11 Å. The V(2)-O(9) bond length is 2.34 Å. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(14), one O(16), one O(3), one O(4), one O(7), and one O(8) atom to form FeO6 octahedra that share corners with two equivalent V(2)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, edges with two equivalent Sb(2)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 51-52°. The Fe(1)-O(14) bond length is 2.10 Å. The Fe(1)-O(16) bond length is 2.16 Å. The Fe(1)-O(3) bond length is 2.08 Å. The Fe(1)-O(4) bond length is 2.06 Å. The Fe(1)-O(7) bond length is 2.08 Å. The Fe(1)-O(8) bond length is 2.11 Å. In the second Fe site, Fe(2) is bonded to one O(1), one O(10), one O(11), one O(13), one O(15), and one O(5) atom to form FeO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid, corners with two equivalent Li(1)O4 trigonal pyramids,  an edgeedge with one V(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Sb(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 53-55°. The Fe(2)-O(1) bond length is 2.17 Å. The Fe(2)-O(10) bond length is 2.14 Å. The Fe(2)-O(11) bond length is 2.22 Å. The Fe(2)-O(13) bond length is 2.13 Å. The Fe(2)-O(15) bond length is 2.12 Å. The Fe(2)-O(5) bond length is 2.09 Å. In the third Fe site, Fe(3) is bonded to one O(10), one O(12), one O(13), one O(15), one O(5), and one O(6) atom to form FeO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid, corners with two equivalent Li(1)O4 trigonal pyramids,  an edgeedge with one V(2)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Sb(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-52°. The Fe(3)-O(10) bond length is 2.08 Å. The Fe(3)-O(12) bond length is 2.10 Å. The Fe(3)-O(13) bond length is 2.02 Å. The Fe(3)-O(15) bond length is 2.04 Å. The Fe(3)-O(5) bond length is 2.00 Å. The Fe(3)-O(6) bond length is 2.13 Å. There are three inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(14), one O(2), one O(3), one O(4), one O(7), and one O(9) atom to form SbO6 octahedra that share corners with two equivalent V(2)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Sb(2)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 52-53°. The Sb(1)-O(14) bond length is 1.98 Å. The Sb(1)-O(2) bond length is 2.07 Å. The Sb(1)-O(3) bond length is 2.05 Å. The Sb(1)-O(4) bond length is 2.04 Å. The Sb(1)-O(7) bond length is 1.98 Å. The Sb(1)-O(9) bond length is 2.06 Å. In the second Sb site, Sb(2) is bonded to one O(16), one O(2), one O(3), one O(4), one O(8), and one O(9) atom to form SbO6 octahedra that share corners with two equivalent V(2)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(1)O4 trigonal pyramid,  an edgeedge with one V(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Sb(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 51-53°. The Sb(2)-O(16) bond length is 1.99 Å. The Sb(2)-O(2) bond length is 2.07 Å. The Sb(2)-O(3) bond length is 2.05 Å. The Sb(2)-O(4) bond length is 2.04 Å. The Sb(2)-O(8) bond length is 1.98 Å. The Sb(2)-O(9) bond length is 2.06 Å. In the third Sb site, Sb(3) is bonded to one O(1), one O(11), one O(12), one O(13), one O(5), and one O(6) atom to form SbO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid, corners with two equivalent Li(1)O4 trigonal pyramids,  an edgeedge with one V(2)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 52-53°. The Sb(3)-O(1) bond length is 2.03 Å. The Sb(3)-O(11) bond length is 2.03 Å. The Sb(3)-O(12) bond length is 2.06 Å. The Sb(3)-O(13) bond length is 2.00 Å. The Sb(3)-O(5) bond length is 1.98 Å. The Sb(3)-O(6) bond length is 2.08 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(3), one V(1), one Fe(2), and one Sb(3) atom. In the second O site, O(2) is bonded to one Li(4), one V(1), one Sb(1), and one Sb(2) atom to form distorted OLiVSb2 trigonal pyramids that share  a cornercorner with one O(7)LiVFeSb tetrahedra,  a cornercorner with one O(8)LiVFeSb tetrahedra, corners with two equivalent O(4)LiFeSb2 tetrahedra,  an edgeedge with one O(7)LiVFeSb tetrahedra, and  an edgeedge with one O(8)LiVFeSb tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(1), one Sb(1), and one Sb(2) atom. In the fourth O site, O(4) is bonded to one Li(3), one Fe(1), one Sb(1), and one Sb(2) atom to form distorted OLiFeSb2 tetrahedra that share corners with two equivalent O(7)LiVFeSb tetrahedra, corners with two equivalent O(8)LiVFeSb tetrahedra, and corners with two equivalent O(2)LiVSb2 trigonal pyramids. In the fifth O site, O(5) is bonded to one Li(2), one Fe(2), one Fe(3), and one Sb(3) atom to form distorted corner-sharing OLiFe2Sb tetrahedra. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one V(1), one Fe(3), and one Sb(3) atom. In the seventh O site, O(7) is bonded to one Li(4), one V(1), one Fe(1), and one Sb(1) atom to form distorted OLiVFeSb tetrahedra that share  a cornercorner with one O(8)LiVFeSb tetrahedra, corners with two equivalent O(4)LiFeSb2 tetrahedra,  a cornercorner with one O(2)LiVSb2 trigonal pyramid,  an edgeedge with one O(8)LiVFeSb tetrahedra, and  an edgeedge with one O(2)LiVSb2 trigonal pyramid. In the eighth O site, O(8) is bonded to one Li(4), one V(1), one Fe(1), and one Sb(2) atom to form distorted OLiVFeSb tetrahedra that share  a cornercorner with one O(7)LiVFeSb tetrahedra, corners with two equivalent O(4)LiFeSb2 tetrahedra,  a cornercorner with one O(2)LiVSb2 trigonal pyramid,  an edgeedge with one O(7)LiVFeSb tetrahedra, and  an edgeedge with one O(2)LiVSb2 trigonal pyramid. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one V(2), one Sb(1), and one Sb(2) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one V(1), one Fe(2), and one Fe(3) atom. In the eleventh O site, O(11) is bonded in a rectangular see-saw-like geometry to one Li(1), one V(2), one Fe(2), and one Sb(3) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Li(1), one V(2), one Fe(3), and one Sb(3) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(4), one Fe(2), one Fe(3), and one Sb(3) atom. In the fourteenth O site, O(14) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one V(2), one Fe(1), and one Sb(1) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one V(2), one Fe(2), and one Fe(3) atom to form distorted corner-sharing OLiVFe2 tetrahedra. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one V(2), one Fe(1), and one Sb(2) atom.