Li2Fe3SnO8 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(1), one O(6), one O(7), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, and corners with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-65°. In the second Li site, Li(2) is bonded to one O(10), one O(2), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, and corners with three equivalent Fe(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-63°. In the third Li site, Li(3) is bonded to one O(11), one O(13), one O(16), and one O(3) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, and corners with three equivalent Fe(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-64°. In the fourth Li site, Li(4) is bonded to one O(12), one O(14), one O(15), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, and corners with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-63°. There are six inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(13), one O(15), one O(3), one O(5), and one O(7) atom to form FeO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(5)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the second Fe site, Fe(2) is bonded to one O(10), one O(12), one O(16), one O(2), one O(4), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. In the third Fe site, Fe(3) is bonded to one O(1), one O(12), one O(14), one O(4), one O(7), and one O(9) atom to form FeO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra, and  an edgeedge with one Sn(2)O6 octahedra. In the fourth Fe site, Fe(4) is bonded to one O(14), one O(16), one O(2), one O(4), one O(6), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. In the fifth Fe site, Fe(5) is bonded to one O(1), one O(11), one O(15), one O(3), one O(5), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the sixth Fe site, Fe(6) is bonded to one O(10), one O(11), one O(13), one O(2), one O(3), and one O(8) atom to form FeO6 octahedra that share corners with three equivalent Li(2)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra, and  an edgeedge with one Sn(2)O6 octahedra. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one O(11), one O(13), one O(15), one O(5), one O(7), and one O(9) atom to form SnO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and edges with two equivalent Fe(5)O6 octahedra. In the second Sn site, Sn(2) is bonded to one O(10), one O(12), one O(14), one O(16), one O(6), and one O(8) atom to form SnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Fe(4)O6 octahedra. 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(1), one Fe(1), one Fe(3), and one Fe(5) atom. In the second O site, O(2) is bonded to one Li(2), one Fe(2), one Fe(4), and one Fe(6) atom to form distorted corner-sharing OLiFe3 tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(3), one Fe(1), one Fe(5), and one Fe(6) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Fe(2), one Fe(3), and one Fe(4) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(5), and one Sn(1) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(2), one Fe(4), and one Sn(2) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(1), one Fe(3), and one Sn(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(4), one Fe(6), and one Sn(2) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(3), one Fe(5), and one Sn(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(2), one Fe(6), and one Sn(2) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Fe(5), one Fe(6), and one Sn(1) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Li(4), one Fe(2), one Fe(3), and one Sn(2) atom. In the thirteenth O site, O(13) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Fe(1), one Fe(6), and one Sn(1) atom. In the fourteenth O site, O(14) is bonded to one Li(4), one Fe(3), one Fe(4), and one Sn(2) atom to form distorted OLiFe2Sn trigonal pyramids that share  a cornercorner with one O(15)LiFe2Sn tetrahedra and  a cornercorner with one O(2)LiFe3 tetrahedra. In the fifteenth O site, O(15) is bonded to one Li(4), one Fe(1), one Fe(5), and one Sn(1) atom to form distorted corner-sharing OLiFe2Sn tetrahedra. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Fe(2), one Fe(4), and one Sn(2) atom.
Li2Fe3SnO8 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(1), one O(6), one O(7), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, and corners with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-65°. The Li(1)-O(1) bond length is 2.12 Å. The Li(1)-O(6) bond length is 1.99 Å. The Li(1)-O(7) bond length is 1.97 Å. The Li(1)-O(9) bond length is 1.94 Å. In the second Li site, Li(2) is bonded to one O(10), one O(2), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, and corners with three equivalent Fe(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-63°. The Li(2)-O(10) bond length is 2.00 Å. The Li(2)-O(2) bond length is 2.24 Å. The Li(2)-O(5) bond length is 1.92 Å. The Li(2)-O(8) bond length is 1.99 Å. In the third Li site, Li(3) is bonded to one O(11), one O(13), one O(16), and one O(3) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, and corners with three equivalent Fe(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-64°. The Li(3)-O(11) bond length is 1.98 Å. The Li(3)-O(13) bond length is 1.99 Å. The Li(3)-O(16) bond length is 1.95 Å. The Li(3)-O(3) bond length is 2.17 Å. In the fourth Li site, Li(4) is bonded to one O(12), one O(14), one O(15), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, and corners with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-63°. The Li(4)-O(12) bond length is 1.97 Å. The Li(4)-O(14) bond length is 1.96 Å. The Li(4)-O(15) bond length is 1.94 Å. The Li(4)-O(4) bond length is 2.24 Å. There are six inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(13), one O(15), one O(3), one O(5), and one O(7) atom to form FeO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(5)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. The Fe(1)-O(1) bond length is 1.97 Å. The Fe(1)-O(13) bond length is 2.02 Å. The Fe(1)-O(15) bond length is 1.98 Å. The Fe(1)-O(3) bond length is 2.00 Å. The Fe(1)-O(5) bond length is 1.97 Å. The Fe(1)-O(7) bond length is 2.00 Å. In the second Fe site, Fe(2) is bonded to one O(10), one O(12), one O(16), one O(2), one O(4), and one O(6) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. The Fe(2)-O(10) bond length is 1.96 Å. The Fe(2)-O(12) bond length is 1.93 Å. The Fe(2)-O(16) bond length is 1.94 Å. The Fe(2)-O(2) bond length is 1.93 Å. The Fe(2)-O(4) bond length is 1.89 Å. The Fe(2)-O(6) bond length is 1.95 Å. In the third Fe site, Fe(3) is bonded to one O(1), one O(12), one O(14), one O(4), one O(7), and one O(9) atom to form FeO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra, and  an edgeedge with one Sn(2)O6 octahedra. The Fe(3)-O(1) bond length is 1.97 Å. The Fe(3)-O(12) bond length is 2.04 Å. The Fe(3)-O(14) bond length is 2.01 Å. The Fe(3)-O(4) bond length is 2.03 Å. The Fe(3)-O(7) bond length is 1.98 Å. The Fe(3)-O(9) bond length is 1.99 Å. In the fourth Fe site, Fe(4) is bonded to one O(14), one O(16), one O(2), one O(4), one O(6), and one O(8) atom to form FeO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Sn(2)O6 octahedra. The Fe(4)-O(14) bond length is 1.98 Å. The Fe(4)-O(16) bond length is 1.99 Å. The Fe(4)-O(2) bond length is 2.02 Å. The Fe(4)-O(4) bond length is 2.00 Å. The Fe(4)-O(6) bond length is 2.00 Å. The Fe(4)-O(8) bond length is 1.99 Å. In the fifth Fe site, Fe(5) is bonded to one O(1), one O(11), one O(15), one O(3), one O(5), and one O(9) atom to form FeO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. The Fe(5)-O(1) bond length is 2.01 Å. The Fe(5)-O(11) bond length is 2.11 Å. The Fe(5)-O(15) bond length is 2.02 Å. The Fe(5)-O(3) bond length is 2.10 Å. The Fe(5)-O(5) bond length is 2.03 Å. The Fe(5)-O(9) bond length is 2.03 Å. In the sixth Fe site, Fe(6) is bonded to one O(10), one O(11), one O(13), one O(2), one O(3), and one O(8) atom to form FeO6 octahedra that share corners with three equivalent Li(2)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra, and  an edgeedge with one Sn(2)O6 octahedra. The Fe(6)-O(10) bond length is 1.97 Å. The Fe(6)-O(11) bond length is 1.92 Å. The Fe(6)-O(13) bond length is 1.94 Å. The Fe(6)-O(2) bond length is 1.98 Å. The Fe(6)-O(3) bond length is 1.90 Å. The Fe(6)-O(8) bond length is 1.97 Å. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one O(11), one O(13), one O(15), one O(5), one O(7), and one O(9) atom to form SnO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and edges with two equivalent Fe(5)O6 octahedra. The Sn(1)-O(11) bond length is 2.11 Å. The Sn(1)-O(13) bond length is 2.11 Å. The Sn(1)-O(15) bond length is 2.07 Å. The Sn(1)-O(5) bond length is 2.08 Å. The Sn(1)-O(7) bond length is 2.08 Å. The Sn(1)-O(9) bond length is 2.08 Å. In the second Sn site, Sn(2) is bonded to one O(10), one O(12), one O(14), one O(16), one O(6), and one O(8) atom to form SnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(6)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and edges with two equivalent Fe(4)O6 octahedra. The Sn(2)-O(10) bond length is 2.12 Å. The Sn(2)-O(12) bond length is 2.10 Å. The Sn(2)-O(14) bond length is 2.06 Å. The Sn(2)-O(16) bond length is 2.11 Å. The Sn(2)-O(6) bond length is 2.09 Å. The Sn(2)-O(8) bond length is 2.09 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(1), one Fe(1), one Fe(3), and one Fe(5) atom. In the second O site, O(2) is bonded to one Li(2), one Fe(2), one Fe(4), and one Fe(6) atom to form distorted corner-sharing OLiFe3 tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(3), one Fe(1), one Fe(5), and one Fe(6) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Fe(2), one Fe(3), and one Fe(4) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(5), and one Sn(1) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(2), one Fe(4), and one Sn(2) atom. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(1), one Fe(3), and one Sn(1) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(4), one Fe(6), and one Sn(2) atom. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(3), one Fe(5), and one Sn(1) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(2), one Fe(6), and one Sn(2) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Fe(5), one Fe(6), and one Sn(1) atom. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Li(4), one Fe(2), one Fe(3), and one Sn(2) atom. In the thirteenth O site, O(13) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Fe(1), one Fe(6), and one Sn(1) atom. In the fourteenth O site, O(14) is bonded to one Li(4), one Fe(3), one Fe(4), and one Sn(2) atom to form distorted OLiFe2Sn trigonal pyramids that share  a cornercorner with one O(15)LiFe2Sn tetrahedra and  a cornercorner with one O(2)LiFe3 tetrahedra. In the fifteenth O site, O(15) is bonded to one Li(4), one Fe(1), one Fe(5), and one Sn(1) atom to form distorted corner-sharing OLiFe2Sn tetrahedra. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Fe(2), one Fe(4), and one Sn(2) atom.