Li5Fe7O3F13 is Spinel-derived structured and crystallizes in the triclinic P1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one F(1), one F(2), one F(3), one F(4), and one F(6) atom to form LiOF5 octahedra that share  a cornercorner with one Li(5)F4 tetrahedra,  a cornercorner with one Li(2)OF3 tetrahedra, corners with two equivalent Li(3)F4 tetrahedra, corners with two equivalent Fe(1)O2F2 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Fe(4)O2F4 octahedra, and edges with two equivalent Fe(3)OF5 octahedra. In the second Li site, Li(2) is bonded to one O(3), one F(1), one F(7), and one F(9) atom to form LiOF3 tetrahedra that share  a cornercorner with one Li(1)OF5 octahedra,  a cornercorner with one Fe(4)O2F4 octahedra,  a cornercorner with one Fe(3)OF5 octahedra, corners with two equivalent Li(4)F6 octahedra, corners with two equivalent Fe(6)OF5 octahedra, corners with two equivalent Fe(7)OF5 octahedra, and corners with three equivalent Fe(5)OF5 octahedra. The corner-sharing octahedral tilt angles range from 51-61°. In the third Li site, Li(3) is bonded to one F(11), one F(3), one F(5), and one F(6) atom to form LiF4 tetrahedra that share  a cornercorner with one Li(4)F6 octahedra,  a cornercorner with one Fe(6)OF5 octahedra,  a cornercorner with one Fe(7)OF5 octahedra, corners with two equivalent Li(1)OF5 octahedra, corners with two equivalent Fe(4)O2F4 octahedra, corners with two equivalent Fe(3)OF5 octahedra, and corners with three equivalent Fe(5)OF5 octahedra. The corner-sharing octahedral tilt angles range from 54-62°. In the fourth Li site, Li(4) is bonded to one F(10), one F(11), one F(13), one F(7), one F(8), and one F(9) atom to form LiF6 octahedra that share  a cornercorner with one Li(3)F4 tetrahedra,  a cornercorner with one Fe(1)O2F2 tetrahedra, corners with two equivalent Li(5)F4 tetrahedra, corners with two equivalent Li(2)OF3 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Fe(6)OF5 octahedra, and edges with two equivalent Fe(7)OF5 octahedra. In the fifth Li site, Li(5) is bonded to one F(10), one F(12), one F(13), and one F(4) atom to form LiF4 tetrahedra that share  a cornercorner with one Li(1)OF5 octahedra,  a cornercorner with one Fe(4)O2F4 octahedra,  a cornercorner with one Fe(3)OF5 octahedra, corners with two equivalent Li(4)F6 octahedra, corners with two equivalent Fe(6)OF5 octahedra, corners with two equivalent Fe(7)OF5 octahedra, and corners with three equivalent Fe(2)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 55-62°. There are seven inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(2), one F(2), and one F(8) atom to form FeO2F2 tetrahedra that share  a cornercorner with one Li(4)F6 octahedra,  a cornercorner with one Fe(6)OF5 octahedra,  a cornercorner with one Fe(7)OF5 octahedra, corners with two equivalent Li(1)OF5 octahedra, corners with two equivalent Fe(4)O2F4 octahedra, corners with two equivalent Fe(3)OF5 octahedra, and corners with three equivalent Fe(2)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 49-68°. In the second Fe site, Fe(2) is bonded to one O(1), one O(2), one F(10), one F(12), one F(13), and one F(2) atom to form FeO2F4 octahedra that share corners with three equivalent Li(5)F4 tetrahedra, corners with three equivalent Fe(1)O2F2 tetrahedra,  an edgeedge with one Li(4)F6 octahedra,  an edgeedge with one Li(1)OF5 octahedra,  an edgeedge with one Fe(4)O2F4 octahedra,  an edgeedge with one Fe(3)OF5 octahedra,  an edgeedge with one Fe(6)OF5 octahedra, and  an edgeedge with one Fe(7)OF5 octahedra. In the third Fe site, Fe(3) is bonded to one O(1), one F(1), one F(2), one F(3), one F(4), and one F(5) atom to form FeOF5 octahedra that share  a cornercorner with one Li(5)F4 tetrahedra,  a cornercorner with one Li(2)OF3 tetrahedra, corners with two equivalent Li(3)F4 tetrahedra, corners with two equivalent Fe(1)O2F2 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Li(1)OF5 octahedra, and edges with two equivalent Fe(4)O2F4 octahedra. In the fourth Fe site, Fe(4) is bonded to one O(1), one O(2), one F(1), one F(4), one F(5), and one F(6) atom to form FeO2F4 octahedra that share  a cornercorner with one Li(5)F4 tetrahedra,  a cornercorner with one Li(2)OF3 tetrahedra, corners with two equivalent Li(3)F4 tetrahedra, corners with two equivalent Fe(1)O2F2 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Li(1)OF5 octahedra, and edges with two equivalent Fe(3)OF5 octahedra. In the fifth Fe site, Fe(5) is bonded to one O(3), one F(3), one F(5), one F(6), one F(7), and one F(9) atom to form FeOF5 octahedra that share corners with three equivalent Li(3)F4 tetrahedra, corners with three equivalent Li(2)OF3 tetrahedra,  an edgeedge with one Li(4)F6 octahedra,  an edgeedge with one Li(1)OF5 octahedra,  an edgeedge with one Fe(4)O2F4 octahedra,  an edgeedge with one Fe(3)OF5 octahedra,  an edgeedge with one Fe(6)OF5 octahedra, and  an edgeedge with one Fe(7)OF5 octahedra. In the sixth Fe site, Fe(6) is bonded to one O(3), one F(10), one F(11), one F(12), one F(8), and one F(9) atom to form FeOF5 octahedra that share  a cornercorner with one Li(3)F4 tetrahedra,  a cornercorner with one Fe(1)O2F2 tetrahedra, corners with two equivalent Li(5)F4 tetrahedra, corners with two equivalent Li(2)OF3 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Li(4)F6 octahedra, and edges with two equivalent Fe(7)OF5 octahedra. In the seventh Fe site, Fe(7) is bonded to one O(3), one F(11), one F(12), one F(13), one F(7), and one F(8) atom to form FeOF5 octahedra that share  a cornercorner with one Li(3)F4 tetrahedra,  a cornercorner with one Fe(1)O2F2 tetrahedra, corners with two equivalent Li(5)F4 tetrahedra, corners with two equivalent Li(2)OF3 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Li(4)F6 octahedra, and edges with two equivalent Fe(6)OF5 octahedra. There are three inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Fe(1), one Fe(2), one Fe(3), and one Fe(4) atom. In the second O site, O(2) is bonded to one Li(1), one Fe(1), one Fe(2), and one Fe(4) atom to form OLiFe3 tetrahedra that share corners with two equivalent F(4)Li2Fe2 trigonal pyramids and corners with two equivalent F(6)Li2Fe2 trigonal pyramids. In the third O site, O(3) is bonded to one Li(2), one Fe(5), one Fe(6), and one Fe(7) atom to form distorted OLiFe3 trigonal pyramids that share  a cornercorner with one F(6)Li2Fe2 trigonal pyramid. There are thirteen inequivalent F sites. In the first F site, F(1) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(2), one Fe(3), and one Fe(4) atom. In the second F site, F(2) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(1), one Fe(2), and one Fe(3) atom. In the third F site, F(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(3), one Fe(3), and one Fe(5) atom. In the fourth F site, F(4) is bonded to one Li(1), one Li(5), one Fe(3), and one Fe(4) atom to form distorted FLi2Fe2 trigonal pyramids that share corners with two equivalent O(2)LiFe3 tetrahedra and  an edgeedge with one F(6)Li2Fe2 trigonal pyramid. In the fifth F site, F(5) is bonded in a rectangular see-saw-like geometry to one Li(3), one Fe(3), one Fe(4), and one Fe(5) atom. In the sixth F site, F(6) is bonded to one Li(1), one Li(3), one Fe(4), and one Fe(5) atom to form distorted FLi2Fe2 trigonal pyramids that share corners with two equivalent O(2)LiFe3 tetrahedra,  a cornercorner with one O(3)LiFe3 trigonal pyramid, and  an edgeedge with one F(4)Li2Fe2 trigonal pyramid. In the seventh F site, F(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(4), one Fe(5), and one Fe(7) atom. In the eighth F site, F(8) is bonded in a rectangular see-saw-like geometry to one Li(4), one Fe(1), one Fe(6), and one Fe(7) atom. In the ninth F site, F(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Li(4), one Fe(5), and one Fe(6) atom. In the tenth F site, F(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Li(5), one Fe(2), and one Fe(6) atom. In the eleventh F site, F(11) is bonded in a rectangular see-saw-like geometry to one Li(3), one Li(4), one Fe(6), and one Fe(7) atom. In the twelfth F site, F(12) is bonded in a rectangular see-saw-like geometry to one Li(5), one Fe(2), one Fe(6), and one Fe(7) atom. In the thirteenth F site, F(13) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Li(5), one Fe(2), and one Fe(7) atom.
Li5Fe7O3F13 is Spinel-derived structured and crystallizes in the triclinic P1 space group. There are five inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one F(1), one F(2), one F(3), one F(4), and one F(6) atom to form LiOF5 octahedra that share  a cornercorner with one Li(5)F4 tetrahedra,  a cornercorner with one Li(2)OF3 tetrahedra, corners with two equivalent Li(3)F4 tetrahedra, corners with two equivalent Fe(1)O2F2 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Fe(4)O2F4 octahedra, and edges with two equivalent Fe(3)OF5 octahedra. The Li(1)-O(2) bond length is 2.00 Å. The Li(1)-F(1) bond length is 2.12 Å. The Li(1)-F(2) bond length is 2.24 Å. The Li(1)-F(3) bond length is 2.09 Å. The Li(1)-F(4) bond length is 2.14 Å. The Li(1)-F(6) bond length is 2.24 Å. In the second Li site, Li(2) is bonded to one O(3), one F(1), one F(7), and one F(9) atom to form LiOF3 tetrahedra that share  a cornercorner with one Li(1)OF5 octahedra,  a cornercorner with one Fe(4)O2F4 octahedra,  a cornercorner with one Fe(3)OF5 octahedra, corners with two equivalent Li(4)F6 octahedra, corners with two equivalent Fe(6)OF5 octahedra, corners with two equivalent Fe(7)OF5 octahedra, and corners with three equivalent Fe(5)OF5 octahedra. The corner-sharing octahedral tilt angles range from 51-61°. The Li(2)-O(3) bond length is 1.98 Å. The Li(2)-F(1) bond length is 1.97 Å. The Li(2)-F(7) bond length is 1.98 Å. The Li(2)-F(9) bond length is 2.05 Å. In the third Li site, Li(3) is bonded to one F(11), one F(3), one F(5), and one F(6) atom to form LiF4 tetrahedra that share  a cornercorner with one Li(4)F6 octahedra,  a cornercorner with one Fe(6)OF5 octahedra,  a cornercorner with one Fe(7)OF5 octahedra, corners with two equivalent Li(1)OF5 octahedra, corners with two equivalent Fe(4)O2F4 octahedra, corners with two equivalent Fe(3)OF5 octahedra, and corners with three equivalent Fe(5)OF5 octahedra. The corner-sharing octahedral tilt angles range from 54-62°. The Li(3)-F(11) bond length is 1.97 Å. The Li(3)-F(3) bond length is 1.98 Å. The Li(3)-F(5) bond length is 2.02 Å. The Li(3)-F(6) bond length is 2.07 Å. In the fourth Li site, Li(4) is bonded to one F(10), one F(11), one F(13), one F(7), one F(8), and one F(9) atom to form LiF6 octahedra that share  a cornercorner with one Li(3)F4 tetrahedra,  a cornercorner with one Fe(1)O2F2 tetrahedra, corners with two equivalent Li(5)F4 tetrahedra, corners with two equivalent Li(2)OF3 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Fe(6)OF5 octahedra, and edges with two equivalent Fe(7)OF5 octahedra. The Li(4)-F(10) bond length is 2.12 Å. The Li(4)-F(11) bond length is 2.08 Å. The Li(4)-F(13) bond length is 2.12 Å. The Li(4)-F(7) bond length is 2.06 Å. The Li(4)-F(8) bond length is 2.11 Å. The Li(4)-F(9) bond length is 2.11 Å. In the fifth Li site, Li(5) is bonded to one F(10), one F(12), one F(13), and one F(4) atom to form LiF4 tetrahedra that share  a cornercorner with one Li(1)OF5 octahedra,  a cornercorner with one Fe(4)O2F4 octahedra,  a cornercorner with one Fe(3)OF5 octahedra, corners with two equivalent Li(4)F6 octahedra, corners with two equivalent Fe(6)OF5 octahedra, corners with two equivalent Fe(7)OF5 octahedra, and corners with three equivalent Fe(2)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 55-62°. The Li(5)-F(10) bond length is 2.02 Å. The Li(5)-F(12) bond length is 2.12 Å. The Li(5)-F(13) bond length is 1.99 Å. The Li(5)-F(4) bond length is 1.99 Å. There are seven inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(2), one F(2), and one F(8) atom to form FeO2F2 tetrahedra that share  a cornercorner with one Li(4)F6 octahedra,  a cornercorner with one Fe(6)OF5 octahedra,  a cornercorner with one Fe(7)OF5 octahedra, corners with two equivalent Li(1)OF5 octahedra, corners with two equivalent Fe(4)O2F4 octahedra, corners with two equivalent Fe(3)OF5 octahedra, and corners with three equivalent Fe(2)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 49-68°. The Fe(1)-O(1) bond length is 1.94 Å. The Fe(1)-O(2) bond length is 1.92 Å. The Fe(1)-F(2) bond length is 2.11 Å. The Fe(1)-F(8) bond length is 2.16 Å. In the second Fe site, Fe(2) is bonded to one O(1), one O(2), one F(10), one F(12), one F(13), and one F(2) atom to form FeO2F4 octahedra that share corners with three equivalent Li(5)F4 tetrahedra, corners with three equivalent Fe(1)O2F2 tetrahedra,  an edgeedge with one Li(4)F6 octahedra,  an edgeedge with one Li(1)OF5 octahedra,  an edgeedge with one Fe(4)O2F4 octahedra,  an edgeedge with one Fe(3)OF5 octahedra,  an edgeedge with one Fe(6)OF5 octahedra, and  an edgeedge with one Fe(7)OF5 octahedra. The Fe(2)-O(1) bond length is 2.10 Å. The Fe(2)-O(2) bond length is 1.98 Å. The Fe(2)-F(10) bond length is 2.20 Å. The Fe(2)-F(12) bond length is 2.19 Å. The Fe(2)-F(13) bond length is 2.16 Å. The Fe(2)-F(2) bond length is 2.21 Å. In the third Fe site, Fe(3) is bonded to one O(1), one F(1), one F(2), one F(3), one F(4), and one F(5) atom to form FeOF5 octahedra that share  a cornercorner with one Li(5)F4 tetrahedra,  a cornercorner with one Li(2)OF3 tetrahedra, corners with two equivalent Li(3)F4 tetrahedra, corners with two equivalent Fe(1)O2F2 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Li(1)OF5 octahedra, and edges with two equivalent Fe(4)O2F4 octahedra. The Fe(3)-O(1) bond length is 1.99 Å. The Fe(3)-F(1) bond length is 2.15 Å. The Fe(3)-F(2) bond length is 2.17 Å. The Fe(3)-F(3) bond length is 2.17 Å. The Fe(3)-F(4) bond length is 2.17 Å. The Fe(3)-F(5) bond length is 2.13 Å. In the fourth Fe site, Fe(4) is bonded to one O(1), one O(2), one F(1), one F(4), one F(5), and one F(6) atom to form FeO2F4 octahedra that share  a cornercorner with one Li(5)F4 tetrahedra,  a cornercorner with one Li(2)OF3 tetrahedra, corners with two equivalent Li(3)F4 tetrahedra, corners with two equivalent Fe(1)O2F2 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Li(1)OF5 octahedra, and edges with two equivalent Fe(3)OF5 octahedra. The Fe(4)-O(1) bond length is 2.10 Å. The Fe(4)-O(2) bond length is 1.99 Å. The Fe(4)-F(1) bond length is 2.24 Å. The Fe(4)-F(4) bond length is 2.18 Å. The Fe(4)-F(5) bond length is 2.23 Å. The Fe(4)-F(6) bond length is 2.13 Å. In the fifth Fe site, Fe(5) is bonded to one O(3), one F(3), one F(5), one F(6), one F(7), and one F(9) atom to form FeOF5 octahedra that share corners with three equivalent Li(3)F4 tetrahedra, corners with three equivalent Li(2)OF3 tetrahedra,  an edgeedge with one Li(4)F6 octahedra,  an edgeedge with one Li(1)OF5 octahedra,  an edgeedge with one Fe(4)O2F4 octahedra,  an edgeedge with one Fe(3)OF5 octahedra,  an edgeedge with one Fe(6)OF5 octahedra, and  an edgeedge with one Fe(7)OF5 octahedra. The Fe(5)-O(3) bond length is 1.97 Å. The Fe(5)-F(3) bond length is 2.15 Å. The Fe(5)-F(5) bond length is 2.22 Å. The Fe(5)-F(6) bond length is 2.08 Å. The Fe(5)-F(7) bond length is 2.18 Å. The Fe(5)-F(9) bond length is 2.25 Å. In the sixth Fe site, Fe(6) is bonded to one O(3), one F(10), one F(11), one F(12), one F(8), and one F(9) atom to form FeOF5 octahedra that share  a cornercorner with one Li(3)F4 tetrahedra,  a cornercorner with one Fe(1)O2F2 tetrahedra, corners with two equivalent Li(5)F4 tetrahedra, corners with two equivalent Li(2)OF3 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Li(4)F6 octahedra, and edges with two equivalent Fe(7)OF5 octahedra. The Fe(6)-O(3) bond length is 2.05 Å. The Fe(6)-F(10) bond length is 2.09 Å. The Fe(6)-F(11) bond length is 2.13 Å. The Fe(6)-F(12) bond length is 2.22 Å. The Fe(6)-F(8) bond length is 2.20 Å. The Fe(6)-F(9) bond length is 2.09 Å. In the seventh Fe site, Fe(7) is bonded to one O(3), one F(11), one F(12), one F(13), one F(7), and one F(8) atom to form FeOF5 octahedra that share  a cornercorner with one Li(3)F4 tetrahedra,  a cornercorner with one Fe(1)O2F2 tetrahedra, corners with two equivalent Li(5)F4 tetrahedra, corners with two equivalent Li(2)OF3 tetrahedra,  an edgeedge with one Fe(2)O2F4 octahedra,  an edgeedge with one Fe(5)OF5 octahedra, edges with two equivalent Li(4)F6 octahedra, and edges with two equivalent Fe(6)OF5 octahedra. The Fe(7)-O(3) bond length is 1.97 Å. The Fe(7)-F(11) bond length is 2.16 Å. The Fe(7)-F(12) bond length is 2.16 Å. The Fe(7)-F(13) bond length is 2.14 Å. The Fe(7)-F(7) bond length is 2.18 Å. The Fe(7)-F(8) bond length is 2.21 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Fe(1), one Fe(2), one Fe(3), and one Fe(4) atom. In the second O site, O(2) is bonded to one Li(1), one Fe(1), one Fe(2), and one Fe(4) atom to form OLiFe3 tetrahedra that share corners with two equivalent F(4)Li2Fe2 trigonal pyramids and corners with two equivalent F(6)Li2Fe2 trigonal pyramids. In the third O site, O(3) is bonded to one Li(2), one Fe(5), one Fe(6), and one Fe(7) atom to form distorted OLiFe3 trigonal pyramids that share  a cornercorner with one F(6)Li2Fe2 trigonal pyramid. There are thirteen inequivalent F sites. In the first F site, F(1) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(2), one Fe(3), and one Fe(4) atom. In the second F site, F(2) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(1), one Fe(2), and one Fe(3) atom. In the third F site, F(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(3), one Fe(3), and one Fe(5) atom. In the fourth F site, F(4) is bonded to one Li(1), one Li(5), one Fe(3), and one Fe(4) atom to form distorted FLi2Fe2 trigonal pyramids that share corners with two equivalent O(2)LiFe3 tetrahedra and  an edgeedge with one F(6)Li2Fe2 trigonal pyramid. In the fifth F site, F(5) is bonded in a rectangular see-saw-like geometry to one Li(3), one Fe(3), one Fe(4), and one Fe(5) atom. In the sixth F site, F(6) is bonded to one Li(1), one Li(3), one Fe(4), and one Fe(5) atom to form distorted FLi2Fe2 trigonal pyramids that share corners with two equivalent O(2)LiFe3 tetrahedra,  a cornercorner with one O(3)LiFe3 trigonal pyramid, and  an edgeedge with one F(4)Li2Fe2 trigonal pyramid. In the seventh F site, F(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(4), one Fe(5), and one Fe(7) atom. In the eighth F site, F(8) is bonded in a rectangular see-saw-like geometry to one Li(4), one Fe(1), one Fe(6), and one Fe(7) atom. In the ninth F site, F(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Li(4), one Fe(5), and one Fe(6) atom. In the tenth F site, F(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Li(5), one Fe(2), and one Fe(6) atom. In the eleventh F site, F(11) is bonded in a rectangular see-saw-like geometry to one Li(3), one Li(4), one Fe(6), and one Fe(7) atom. In the twelfth F site, F(12) is bonded in a rectangular see-saw-like geometry to one Li(5), one Fe(2), one Fe(6), and one Fe(7) atom. In the thirteenth F site, F(13) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Li(5), one Fe(2), and one Fe(7) atom.