Li2Fe3SnO8 is Spinel-derived structured and crystallizes in the triclinic P1 space group. There are two inequivalent Li sites. In the first Li site, Li(1,4) is bonded to one O(11), one O(12), one O(15), and one O(3) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra;  a cornercorner with one Fe(2)O6 octahedra;  a cornercorner with one Fe(3)O6 octahedra; corners with two equivalent Fe(4)O6 octahedra; corners with two equivalent Fe(5)O6 octahedra; corners with two equivalent Fe(6)O6 octahedra; and corners with three equivalent Sn(1,2)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-61°. In the second Li site, Li(2,3) 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(4)O6 octahedra;  a cornercorner with one Fe(5)O6 octahedra;  a cornercorner with one Fe(6)O6 octahedra; corners with three equivalent Sn(1,2)O6 octahedra;  an edgeedge with one Fe(1)O6 octahedra;  an edgeedge with one Fe(2)O6 octahedra; and  an edgeedge with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-63°. There are six inequivalent Fe sites. In the first Fe site, Fe(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 FeO6 octahedra that share corners with two equivalent Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(2)O6 octahedra; edges with two equivalent Fe(3)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the second Fe site, Fe(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 FeO6 octahedra that share corners with two equivalent Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(1)O6 octahedra; edges with two equivalent Fe(3)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the third Fe site, Fe(3) 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 Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(1)O6 octahedra; edges with two equivalent Fe(2)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the fourth Fe site, Fe(4) 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 FeO6 octahedra that share corners with two equivalent Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(5)O6 octahedra; edges with two equivalent Fe(6)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the fifth Fe site, Fe(5) 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 Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(4)O6 octahedra; edges with two equivalent Fe(6)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the sixth Fe site, Fe(6) 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 Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(4)O6 octahedra; edges with two equivalent Fe(5)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. Sn(1,2) 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 SnO6 octahedra that share corners with two equivalent Fe(4)O6 octahedra; corners with two equivalent Fe(5)O6 octahedra; corners with two equivalent Fe(6)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra; corners with three equivalent Li(2,3)O4 trigonal pyramids;  an edgeedge with one Fe(1)O6 octahedra;  an edgeedge with one Fe(2)O6 octahedra; and  an edgeedge with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. 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(2,3); one Fe(4); one Fe(5); and one Sn(1,2) atom. In the second O site, O(2) is bonded to one Li(1,4); one Fe(1); one Fe(2); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(4)LiFe3 tetrahedra,  a cornercorner with one O(7)LiFe2Sn trigonal pyramid,  a cornercorner with one O(8)LiFe2Sn trigonal pyramid,  a cornercorner with one O(13)LiFe3 trigonal pyramid,  an edgeedge with one O(7)LiFe2Sn trigonal pyramid,  an edgeedge with one O(8)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(3)LiFe3 trigonal pyramid. In the third O site, O(3) is bonded to one Li(1,4); one Fe(1); one Fe(2); and one Fe(3) atom to form distorted OLiFe3 trigonal pyramids that share corners with three equivalent O(4)LiFe3 tetrahedra,  a cornercorner with one O(11)LiFe2Sn trigonal pyramid,  a cornercorner with one O(12)LiFe2Sn trigonal pyramid,  a cornercorner with one O(15)LiFe2Sn trigonal pyramid,  an edgeedge with one O(2)LiFe2Sn trigonal pyramid,  an edgeedge with one O(7)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(8)LiFe2Sn trigonal pyramid. In the fourth O site, O(4) is bonded to one Li(2,3); one Fe(1); one Fe(2); and one Fe(3) atom to form distorted OLiFe3 tetrahedra that share corners with two equivalent O(2)LiFe2Sn trigonal pyramids, corners with two equivalent O(7)LiFe2Sn trigonal pyramids, corners with two equivalent O(8)LiFe2Sn trigonal pyramids, and corners with three equivalent O(3)LiFe3 trigonal pyramids. In the fifth O site, O(5) is bonded to one Li(2,3); one Fe(4); one Fe(5); and one Fe(6) atom to form distorted OLiFe3 tetrahedra that share corners with two equivalent O(11)LiFe2Sn trigonal pyramids, corners with two equivalent O(12)LiFe2Sn trigonal pyramids, corners with two equivalent O(15)LiFe2Sn trigonal pyramids, and corners with three equivalent O(13)LiFe3 trigonal pyramids. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(2,3); one Fe(4); one Fe(6); and one Sn(1,2) atom. In the seventh O site, O(7) is bonded to one Li(1,4); one Fe(1); one Fe(3); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(4)LiFe3 tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(8)LiFe2Sn trigonal pyramid,  a cornercorner with one O(13)LiFe3 trigonal pyramid,  an edgeedge with one O(2)LiFe2Sn trigonal pyramid,  an edgeedge with one O(8)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(3)LiFe3 trigonal pyramid. In the eighth O site, O(8) is bonded to one Li(1,4); one Fe(2); one Fe(3); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(4)LiFe3 tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(7)LiFe2Sn trigonal pyramid,  a cornercorner with one O(13)LiFe3 trigonal pyramid,  an edgeedge with one O(2)LiFe2Sn trigonal pyramid,  an edgeedge with one O(7)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(3)LiFe3 trigonal pyramid. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2,3); one Fe(1); one Fe(2); and one Sn(1,2) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(2,3); one Fe(5); one Fe(6); and one Sn(1,2) atom. In the eleventh O site, O(11) is bonded to one Li(1,4); one Fe(4); one Fe(5); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(5)LiFe3 tetrahedra,  a cornercorner with one O(12)LiFe2Sn trigonal pyramid,  a cornercorner with one O(15)LiFe2Sn trigonal pyramid,  a cornercorner with one O(3)LiFe3 trigonal pyramid,  an edgeedge with one O(12)LiFe2Sn trigonal pyramid,  an edgeedge with one O(15)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(13)LiFe3 trigonal pyramid. In the twelfth O site, O(12) is bonded to one Li(1,4); one Fe(4); one Fe(6); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(5)LiFe3 tetrahedra,  a cornercorner with one O(11)LiFe2Sn trigonal pyramid,  a cornercorner with one O(15)LiFe2Sn trigonal pyramid,  a cornercorner with one O(3)LiFe3 trigonal pyramid,  an edgeedge with one O(11)LiFe2Sn trigonal pyramid,  an edgeedge with one O(15)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(13)LiFe3 trigonal pyramid. In the thirteenth O site, O(13) is bonded to one Li(1,4); one Fe(4); one Fe(5); and one Fe(6) atom to form distorted OLiFe3 trigonal pyramids that share corners with three equivalent O(5)LiFe3 tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(7)LiFe2Sn trigonal pyramid,  a cornercorner with one O(8)LiFe2Sn trigonal pyramid,  an edgeedge with one O(11)LiFe2Sn trigonal pyramid,  an edgeedge with one O(12)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(15)LiFe2Sn trigonal pyramid. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2,3); one Fe(1); one Fe(3); and one Sn(1,2) atom. In the fifteenth O site, O(15) is bonded to one Li(1,4); one Fe(5); one Fe(6); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(5)LiFe3 tetrahedra,  a cornercorner with one O(11)LiFe2Sn trigonal pyramid,  a cornercorner with one O(12)LiFe2Sn trigonal pyramid,  a cornercorner with one O(3)LiFe3 trigonal pyramid,  an edgeedge with one O(11)LiFe2Sn trigonal pyramid,  an edgeedge with one O(12)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(13)LiFe3 trigonal pyramid. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2,3); one Fe(2); one Fe(3); and one Sn(1,2) atom.
Li2Fe3SnO8 is Spinel-derived structured and crystallizes in the triclinic P1 space group. There are two inequivalent Li sites. In the first Li site, Li(1,4) is bonded to one O(11), one O(12), one O(15), and one O(3) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra;  a cornercorner with one Fe(2)O6 octahedra;  a cornercorner with one Fe(3)O6 octahedra; corners with two equivalent Fe(4)O6 octahedra; corners with two equivalent Fe(5)O6 octahedra; corners with two equivalent Fe(6)O6 octahedra; and corners with three equivalent Sn(1,2)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-61°. The Li(1,4)-O(11) bond length is 1.95 Å. The Li(1,4)-O(12) bond length is 2.01 Å. The Li(1,4)-O(15) bond length is 1.98 Å. The Li(1,4)-O(3) bond length is 2.06 Å. In the second Li site, Li(2,3) 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(4)O6 octahedra;  a cornercorner with one Fe(5)O6 octahedra;  a cornercorner with one Fe(6)O6 octahedra; corners with three equivalent Sn(1,2)O6 octahedra;  an edgeedge with one Fe(1)O6 octahedra;  an edgeedge with one Fe(2)O6 octahedra; and  an edgeedge with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-63°. The Li(2,3)-O(14) bond length is 1.97 Å. The Li(2,3)-O(16) bond length is 1.97 Å. The Li(2,3)-O(5) bond length is 1.83 Å. The Li(2,3)-O(9) bond length is 1.97 Å. There are six inequivalent Fe sites. In the first Fe site, Fe(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 FeO6 octahedra that share corners with two equivalent Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(2)O6 octahedra; edges with two equivalent Fe(3)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. The Fe(1)-O(14) bond length is 2.07 Å. The Fe(1)-O(2) bond length is 2.04 Å. The Fe(1)-O(3) bond length is 1.98 Å. The Fe(1)-O(4) bond length is 2.01 Å. The Fe(1)-O(7) bond length is 2.04 Å. The Fe(1)-O(9) bond length is 2.07 Å. In the second Fe site, Fe(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 FeO6 octahedra that share corners with two equivalent Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(1)O6 octahedra; edges with two equivalent Fe(3)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. The Fe(2)-O(16) bond length is 2.07 Å. The Fe(2)-O(2) bond length is 2.04 Å. The Fe(2)-O(3) bond length is 1.98 Å. The Fe(2)-O(4) bond length is 2.01 Å. The Fe(2)-O(8) bond length is 2.04 Å. The Fe(2)-O(9) bond length is 2.07 Å. In the third Fe site, Fe(3) 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 Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(1)O6 octahedra; edges with two equivalent Fe(2)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. The Fe(3)-O(14) bond length is 2.07 Å. The Fe(3)-O(16) bond length is 2.07 Å. The Fe(3)-O(3) bond length is 1.98 Å. The Fe(3)-O(4) bond length is 2.01 Å. The Fe(3)-O(7) bond length is 2.04 Å. The Fe(3)-O(8) bond length is 2.04 Å. In the fourth Fe site, Fe(4) 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 FeO6 octahedra that share corners with two equivalent Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(5)O6 octahedra; edges with two equivalent Fe(6)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. The Fe(4)-O(1) bond length is 2.07 Å. The Fe(4)-O(11) bond length is 2.04 Å. The Fe(4)-O(12) bond length is 2.04 Å. The Fe(4)-O(13) bond length is 1.98 Å. The Fe(4)-O(5) bond length is 2.01 Å. The Fe(4)-O(6) bond length is 2.07 Å. In the fifth Fe site, Fe(5) 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 Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(4)O6 octahedra; edges with two equivalent Fe(6)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. The Fe(5)-O(1) bond length is 2.07 Å. The Fe(5)-O(10) bond length is 2.07 Å. The Fe(5)-O(11) bond length is 2.04 Å. The Fe(5)-O(13) bond length is 1.98 Å. The Fe(5)-O(15) bond length is 2.04 Å. The Fe(5)-O(5) bond length is 2.01 Å. In the sixth Fe site, Fe(6) 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 Sn(1,2)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra;  a cornercorner with one Li(2,3)O4 trigonal pyramid;  an edgeedge with one Sn(1,2)O6 octahedra; edges with two equivalent Fe(4)O6 octahedra; edges with two equivalent Fe(5)O6 octahedra; and  an edgeedge with one Li(2,3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. The Fe(6)-O(10) bond length is 2.07 Å. The Fe(6)-O(12) bond length is 2.04 Å. The Fe(6)-O(13) bond length is 1.98 Å. The Fe(6)-O(15) bond length is 2.04 Å. The Fe(6)-O(5) bond length is 2.01 Å. The Fe(6)-O(6) bond length is 2.07 Å. Sn(1,2) 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 SnO6 octahedra that share corners with two equivalent Fe(4)O6 octahedra; corners with two equivalent Fe(5)O6 octahedra; corners with two equivalent Fe(6)O6 octahedra; corners with three equivalent Li(1,4)O4 tetrahedra; corners with three equivalent Li(2,3)O4 trigonal pyramids;  an edgeedge with one Fe(1)O6 octahedra;  an edgeedge with one Fe(2)O6 octahedra; and  an edgeedge with one Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles are 52°. The Sn(1,2)-O(1) bond length is 2.07 Å. The Sn(1,2)-O(10) bond length is 2.07 Å. The Sn(1,2)-O(2) bond length is 2.16 Å. The Sn(1,2)-O(6) bond length is 2.07 Å. The Sn(1,2)-O(7) bond length is 2.16 Å. The Sn(1,2)-O(8) bond length is 2.16 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(2,3); one Fe(4); one Fe(5); and one Sn(1,2) atom. The O(1)-Li(2,3) bond length is 1.97 Å. In the second O site, O(2) is bonded to one Li(1,4); one Fe(1); one Fe(2); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(4)LiFe3 tetrahedra,  a cornercorner with one O(7)LiFe2Sn trigonal pyramid,  a cornercorner with one O(8)LiFe2Sn trigonal pyramid,  a cornercorner with one O(13)LiFe3 trigonal pyramid,  an edgeedge with one O(7)LiFe2Sn trigonal pyramid,  an edgeedge with one O(8)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(3)LiFe3 trigonal pyramid. The O(2)-Li(1,4) bond length is 1.95 Å. In the third O site, O(3) is bonded to one Li(1,4); one Fe(1); one Fe(2); and one Fe(3) atom to form distorted OLiFe3 trigonal pyramids that share corners with three equivalent O(4)LiFe3 tetrahedra,  a cornercorner with one O(11)LiFe2Sn trigonal pyramid,  a cornercorner with one O(12)LiFe2Sn trigonal pyramid,  a cornercorner with one O(15)LiFe2Sn trigonal pyramid,  an edgeedge with one O(2)LiFe2Sn trigonal pyramid,  an edgeedge with one O(7)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(8)LiFe2Sn trigonal pyramid. In the fourth O site, O(4) is bonded to one Li(2,3); one Fe(1); one Fe(2); and one Fe(3) atom to form distorted OLiFe3 tetrahedra that share corners with two equivalent O(2)LiFe2Sn trigonal pyramids, corners with two equivalent O(7)LiFe2Sn trigonal pyramids, corners with two equivalent O(8)LiFe2Sn trigonal pyramids, and corners with three equivalent O(3)LiFe3 trigonal pyramids. The O(4)-Li(2,3) bond length is 1.83 Å. In the fifth O site, O(5) is bonded to one Li(2,3); one Fe(4); one Fe(5); and one Fe(6) atom to form distorted OLiFe3 tetrahedra that share corners with two equivalent O(11)LiFe2Sn trigonal pyramids, corners with two equivalent O(12)LiFe2Sn trigonal pyramids, corners with two equivalent O(15)LiFe2Sn trigonal pyramids, and corners with three equivalent O(13)LiFe3 trigonal pyramids. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(2,3); one Fe(4); one Fe(6); and one Sn(1,2) atom. The O(6)-Li(2,3) bond length is 1.97 Å. In the seventh O site, O(7) is bonded to one Li(1,4); one Fe(1); one Fe(3); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(4)LiFe3 tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(8)LiFe2Sn trigonal pyramid,  a cornercorner with one O(13)LiFe3 trigonal pyramid,  an edgeedge with one O(2)LiFe2Sn trigonal pyramid,  an edgeedge with one O(8)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(3)LiFe3 trigonal pyramid. The O(7)-Li(1,4) bond length is 1.98 Å. In the eighth O site, O(8) is bonded to one Li(1,4); one Fe(2); one Fe(3); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(4)LiFe3 tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(7)LiFe2Sn trigonal pyramid,  a cornercorner with one O(13)LiFe3 trigonal pyramid,  an edgeedge with one O(2)LiFe2Sn trigonal pyramid,  an edgeedge with one O(7)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(3)LiFe3 trigonal pyramid. The O(8)-Li(1,4) bond length is 2.01 Å. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2,3); one Fe(1); one Fe(2); and one Sn(1,2) atom. The O(9)-Sn(1,2) bond length is 2.07 Å. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(2,3); one Fe(5); one Fe(6); and one Sn(1,2) atom. The O(10)-Li(2,3) bond length is 1.97 Å. In the eleventh O site, O(11) is bonded to one Li(1,4); one Fe(4); one Fe(5); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(5)LiFe3 tetrahedra,  a cornercorner with one O(12)LiFe2Sn trigonal pyramid,  a cornercorner with one O(15)LiFe2Sn trigonal pyramid,  a cornercorner with one O(3)LiFe3 trigonal pyramid,  an edgeedge with one O(12)LiFe2Sn trigonal pyramid,  an edgeedge with one O(15)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(13)LiFe3 trigonal pyramid. The O(11)-Sn(1,2) bond length is 2.16 Å. In the twelfth O site, O(12) is bonded to one Li(1,4); one Fe(4); one Fe(6); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(5)LiFe3 tetrahedra,  a cornercorner with one O(11)LiFe2Sn trigonal pyramid,  a cornercorner with one O(15)LiFe2Sn trigonal pyramid,  a cornercorner with one O(3)LiFe3 trigonal pyramid,  an edgeedge with one O(11)LiFe2Sn trigonal pyramid,  an edgeedge with one O(15)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(13)LiFe3 trigonal pyramid. The O(12)-Sn(1,2) bond length is 2.16 Å. In the thirteenth O site, O(13) is bonded to one Li(1,4); one Fe(4); one Fe(5); and one Fe(6) atom to form distorted OLiFe3 trigonal pyramids that share corners with three equivalent O(5)LiFe3 tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(7)LiFe2Sn trigonal pyramid,  a cornercorner with one O(8)LiFe2Sn trigonal pyramid,  an edgeedge with one O(11)LiFe2Sn trigonal pyramid,  an edgeedge with one O(12)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(15)LiFe2Sn trigonal pyramid. The O(13)-Li(1,4) bond length is 2.06 Å. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2,3); one Fe(1); one Fe(3); and one Sn(1,2) atom. The O(14)-Sn(1,2) bond length is 2.07 Å. In the fifteenth O site, O(15) is bonded to one Li(1,4); one Fe(5); one Fe(6); and one Sn(1,2) atom to form distorted OLiFe2Sn trigonal pyramids that share corners with two equivalent O(5)LiFe3 tetrahedra,  a cornercorner with one O(11)LiFe2Sn trigonal pyramid,  a cornercorner with one O(12)LiFe2Sn trigonal pyramid,  a cornercorner with one O(3)LiFe3 trigonal pyramid,  an edgeedge with one O(11)LiFe2Sn trigonal pyramid,  an edgeedge with one O(12)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(13)LiFe3 trigonal pyramid. The O(15)-Sn(1,2) bond length is 2.16 Å. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2,3); one Fe(2); one Fe(3); and one Sn(1,2) atom. The O(16)-Sn(1,2) bond length is 2.07 Å.