Li4Fe3Ni3(SnO8)2 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 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra, and corners with three equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-61°. 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(3)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra, corners with three equivalent Sn(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, and  an edgeedge with one Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-64°. 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 trigonal pyramids that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra, corners with three equivalent Sn(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, and  an edgeedge with one Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 61-63°. 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(3)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 59-62°. There are three 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(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Sn(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Ni(1)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(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(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Sn(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 52-54°. In the third Fe site, Fe(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 FeO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 50-52°. There are three inequivalent Ni sites. In the first Ni site, Ni(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 NiO6 octahedra that share corners with two equivalent Sn(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Sn(1)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)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 52-54°. In the second Ni site, Ni(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 NiO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 52-55°. In the third Ni site, Ni(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 NiO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 53-54°. There are two inequivalent Sn sites. In the first Sn site, Sn(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 SnO6 octahedra that share corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra, corners with three equivalent Li(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 Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. In the second Sn site, Sn(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 SnO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, and  an edgeedge with one Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-54°. 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 Fe(3), one Ni(2), and one Sn(1) atom. In the second O site, O(2) is bonded to one Li(4), one Fe(1), one Fe(2), and one Sn(1) atom to form distorted OLiFe2Sn trigonal pyramids that share  a cornercorner with one O(7)LiFeNiSn tetrahedra, corners with two equivalent O(4)LiFe2Ni tetrahedra,  a cornercorner with one O(13)LiFeNi2 trigonal pyramid,  a cornercorner with one O(8)LiFeNiSn trigonal pyramid,  an edgeedge with one O(7)LiFeNiSn tetrahedra,  an edgeedge with one O(3)LiFe2Ni trigonal pyramid, and  an edgeedge with one O(8)LiFeNiSn trigonal pyramid. In the third O site, O(3) is bonded to one Li(1), one Fe(1), one Fe(2), and one Ni(1) atom to form distorted OLiFe2Ni trigonal pyramids that share  a cornercorner with one O(15)LiNi2Sn tetrahedra, corners with three equivalent O(4)LiFe2Ni tetrahedra,  a cornercorner with one O(11)LiFeNiSn trigonal pyramid,  an edgeedge with one O(7)LiFeNiSn tetrahedra,  an edgeedge with one O(2)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(8)LiFeNiSn trigonal pyramid. In the fourth O site, O(4) is bonded to one Li(3), one Fe(1), one Fe(2), and one Ni(1) atom to form OLiFe2Ni tetrahedra that share corners with two equivalent O(7)LiFeNiSn tetrahedra, corners with two equivalent O(2)LiFe2Sn trigonal pyramids, corners with two equivalent O(8)LiFeNiSn trigonal pyramids, and corners with three equivalent O(3)LiFe2Ni trigonal pyramids. In the fifth O site, O(5) is bonded to one Li(2), one Fe(3), one Ni(2), and one Ni(3) atom to form OLiFeNi2 tetrahedra that share corners with two equivalent O(15)LiNi2Sn tetrahedra, corners with two equivalent O(11)LiFeNiSn trigonal pyramids, and corners with three equivalent O(13)LiFeNi2 trigonal pyramids. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one Fe(3), one Ni(3), and one Sn(1) atom. In the seventh O site, O(7) is bonded to one Li(4), one Fe(1), one Ni(1), and one Sn(1) atom to form distorted OLiFeNiSn tetrahedra that share corners with two equivalent O(4)LiFe2Ni tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(13)LiFeNi2 trigonal pyramid,  a cornercorner with one O(8)LiFeNiSn trigonal pyramid,  an edgeedge with one O(3)LiFe2Ni trigonal pyramid,  an edgeedge with one O(2)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(8)LiFeNiSn trigonal pyramid. In the eighth O site, O(8) is bonded to one Li(4), one Fe(2), one Ni(1), and one Sn(1) atom to form distorted OLiFeNiSn trigonal pyramids that share  a cornercorner with one O(7)LiFeNiSn tetrahedra, corners with two equivalent O(4)LiFe2Ni tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(13)LiFeNi2 trigonal pyramid,  an edgeedge with one O(7)LiFeNiSn tetrahedra,  an edgeedge with one O(3)LiFe2Ni trigonal pyramid, and  an edgeedge with one O(2)LiFe2Sn trigonal pyramid. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(2), and one Sn(2) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(3), one Ni(2), one Ni(3), and one Sn(1) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Fe(3), one Ni(2), and one Sn(2) atom to form distorted OLiFeNiSn trigonal pyramids that share  a cornercorner with one O(15)LiNi2Sn tetrahedra, corners with two equivalent O(5)LiFeNi2 tetrahedra,  a cornercorner with one O(3)LiFe2Ni trigonal pyramid,  an edgeedge with one O(15)LiNi2Sn tetrahedra, and  an edgeedge with one O(13)LiFeNi2 trigonal pyramid. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(3), one Ni(3), and one Sn(2) atom. In the thirteenth O site, O(13) is bonded to one Li(4), one Fe(3), one Ni(2), and one Ni(3) atom to form distorted OLiFeNi2 trigonal pyramids that share  a cornercorner with one O(7)LiFeNiSn tetrahedra, corners with three equivalent O(5)LiFeNi2 tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(8)LiFeNiSn trigonal pyramid,  an edgeedge with one O(15)LiNi2Sn tetrahedra, and  an edgeedge with one O(11)LiFeNiSn trigonal pyramid. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Ni(1), and one Sn(2) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one Ni(2), one Ni(3), and one Sn(2) atom to form distorted OLiNi2Sn tetrahedra that share corners with two equivalent O(5)LiFeNi2 tetrahedra,  a cornercorner with one O(3)LiFe2Ni trigonal pyramid,  a cornercorner with one O(11)LiFeNiSn trigonal pyramid,  an edgeedge with one O(13)LiFeNi2 trigonal pyramid, and  an edgeedge with one O(11)LiFeNiSn trigonal pyramid. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(2), one Ni(1), and one Sn(2) atom.
Li4Fe3Ni3(SnO8)2 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 tetrahedra that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra, and corners with three equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 57-61°. The Li(1)-O(11) bond length is 1.94 Å. The Li(1)-O(12) bond length is 1.94 Å. The Li(1)-O(15) bond length is 1.98 Å. The Li(1)-O(3) bond length is 2.07 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(3)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra, corners with three equivalent Sn(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, and  an edgeedge with one Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-64°. The Li(2)-O(14) bond length is 1.94 Å. The Li(2)-O(16) bond length is 1.93 Å. The Li(2)-O(5) bond length is 1.83 Å. The Li(2)-O(9) bond length is 1.96 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 trigonal pyramids that share  a cornercorner with one Fe(1)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra,  a cornercorner with one Ni(1)O6 octahedra, corners with three equivalent Sn(1)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, and  an edgeedge with one Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 61-63°. The Li(3)-O(1) bond length is 1.94 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 1.94 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(3)O6 octahedra,  a cornercorner with one Ni(2)O6 octahedra,  a cornercorner with one Ni(3)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 59-62°. The Li(4)-O(13) bond length is 2.09 Å. The Li(4)-O(2) bond length is 1.96 Å. The Li(4)-O(7) bond length is 1.94 Å. The Li(4)-O(8) bond length is 1.96 Å. There are three 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(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Sn(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Ni(1)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 2.02 Å. The Fe(1)-O(2) bond length is 2.02 Å. The Fe(1)-O(3) bond length is 1.96 Å. The Fe(1)-O(4) bond length is 1.95 Å. The Fe(1)-O(7) bond length is 2.03 Å. The Fe(1)-O(9) bond length is 2.02 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(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Sn(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Ni(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 52-54°. The Fe(2)-O(16) bond length is 2.05 Å. The Fe(2)-O(2) bond length is 2.03 Å. The Fe(2)-O(3) bond length is 1.98 Å. The Fe(2)-O(4) bond length is 1.97 Å. The Fe(2)-O(8) bond length is 2.07 Å. The Fe(2)-O(9) bond length is 2.03 Å. In the third Fe site, Fe(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 FeO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 50-52°. The Fe(3)-O(1) bond length is 1.99 Å. The Fe(3)-O(11) bond length is 2.00 Å. The Fe(3)-O(12) bond length is 1.98 Å. The Fe(3)-O(13) bond length is 2.00 Å. The Fe(3)-O(5) bond length is 2.00 Å. The Fe(3)-O(6) bond length is 1.99 Å. There are three inequivalent Ni sites. In the first Ni site, Ni(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 NiO6 octahedra that share corners with two equivalent Sn(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  an edgeedge with one Sn(1)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)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 52-54°. The Ni(1)-O(14) bond length is 2.06 Å. The Ni(1)-O(16) bond length is 1.99 Å. The Ni(1)-O(3) bond length is 1.99 Å. The Ni(1)-O(4) bond length is 1.96 Å. The Ni(1)-O(7) bond length is 2.03 Å. The Ni(1)-O(8) bond length is 1.97 Å. In the second Ni site, Ni(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 NiO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Ni(3)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 52-55°. The Ni(2)-O(1) bond length is 2.08 Å. The Ni(2)-O(10) bond length is 1.98 Å. The Ni(2)-O(11) bond length is 2.07 Å. The Ni(2)-O(13) bond length is 1.93 Å. The Ni(2)-O(15) bond length is 1.98 Å. The Ni(2)-O(5) bond length is 1.92 Å. In the third Ni site, Ni(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 NiO6 octahedra that share corners with two equivalent Sn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Sn(2)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Ni(2)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 53-54°. The Ni(3)-O(10) bond length is 1.96 Å. The Ni(3)-O(12) bond length is 2.08 Å. The Ni(3)-O(13) bond length is 1.92 Å. The Ni(3)-O(15) bond length is 1.95 Å. The Ni(3)-O(5) bond length is 1.92 Å. The Ni(3)-O(6) bond length is 2.11 Å. There are two inequivalent Sn sites. In the first Sn site, Sn(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 SnO6 octahedra that share corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Ni(2)O6 octahedra, corners with two equivalent Ni(3)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra, corners with three equivalent Li(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 Ni(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. The Sn(1)-O(1) bond length is 2.05 Å. The Sn(1)-O(10) bond length is 2.09 Å. The Sn(1)-O(2) bond length is 2.13 Å. The Sn(1)-O(6) bond length is 2.05 Å. The Sn(1)-O(7) bond length is 2.12 Å. The Sn(1)-O(8) bond length is 2.13 Å. In the second Sn site, Sn(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 SnO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Ni(1)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Ni(2)O6 octahedra, and  an edgeedge with one Ni(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 51-54°. The Sn(2)-O(11) bond length is 2.12 Å. The Sn(2)-O(12) bond length is 2.11 Å. The Sn(2)-O(14) bond length is 2.05 Å. The Sn(2)-O(15) bond length is 2.16 Å. The Sn(2)-O(16) bond length is 2.06 Å. The Sn(2)-O(9) bond length is 2.07 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 Fe(3), one Ni(2), and one Sn(1) atom. In the second O site, O(2) is bonded to one Li(4), one Fe(1), one Fe(2), and one Sn(1) atom to form distorted OLiFe2Sn trigonal pyramids that share  a cornercorner with one O(7)LiFeNiSn tetrahedra, corners with two equivalent O(4)LiFe2Ni tetrahedra,  a cornercorner with one O(13)LiFeNi2 trigonal pyramid,  a cornercorner with one O(8)LiFeNiSn trigonal pyramid,  an edgeedge with one O(7)LiFeNiSn tetrahedra,  an edgeedge with one O(3)LiFe2Ni trigonal pyramid, and  an edgeedge with one O(8)LiFeNiSn trigonal pyramid. In the third O site, O(3) is bonded to one Li(1), one Fe(1), one Fe(2), and one Ni(1) atom to form distorted OLiFe2Ni trigonal pyramids that share  a cornercorner with one O(15)LiNi2Sn tetrahedra, corners with three equivalent O(4)LiFe2Ni tetrahedra,  a cornercorner with one O(11)LiFeNiSn trigonal pyramid,  an edgeedge with one O(7)LiFeNiSn tetrahedra,  an edgeedge with one O(2)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(8)LiFeNiSn trigonal pyramid. In the fourth O site, O(4) is bonded to one Li(3), one Fe(1), one Fe(2), and one Ni(1) atom to form OLiFe2Ni tetrahedra that share corners with two equivalent O(7)LiFeNiSn tetrahedra, corners with two equivalent O(2)LiFe2Sn trigonal pyramids, corners with two equivalent O(8)LiFeNiSn trigonal pyramids, and corners with three equivalent O(3)LiFe2Ni trigonal pyramids. In the fifth O site, O(5) is bonded to one Li(2), one Fe(3), one Ni(2), and one Ni(3) atom to form OLiFeNi2 tetrahedra that share corners with two equivalent O(15)LiNi2Sn tetrahedra, corners with two equivalent O(11)LiFeNiSn trigonal pyramids, and corners with three equivalent O(13)LiFeNi2 trigonal pyramids. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one Fe(3), one Ni(3), and one Sn(1) atom. In the seventh O site, O(7) is bonded to one Li(4), one Fe(1), one Ni(1), and one Sn(1) atom to form distorted OLiFeNiSn tetrahedra that share corners with two equivalent O(4)LiFe2Ni tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(13)LiFeNi2 trigonal pyramid,  a cornercorner with one O(8)LiFeNiSn trigonal pyramid,  an edgeedge with one O(3)LiFe2Ni trigonal pyramid,  an edgeedge with one O(2)LiFe2Sn trigonal pyramid, and  an edgeedge with one O(8)LiFeNiSn trigonal pyramid. In the eighth O site, O(8) is bonded to one Li(4), one Fe(2), one Ni(1), and one Sn(1) atom to form distorted OLiFeNiSn trigonal pyramids that share  a cornercorner with one O(7)LiFeNiSn tetrahedra, corners with two equivalent O(4)LiFe2Ni tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(13)LiFeNi2 trigonal pyramid,  an edgeedge with one O(7)LiFeNiSn tetrahedra,  an edgeedge with one O(3)LiFe2Ni trigonal pyramid, and  an edgeedge with one O(2)LiFe2Sn trigonal pyramid. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(2), and one Sn(2) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(3), one Ni(2), one Ni(3), and one Sn(1) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Fe(3), one Ni(2), and one Sn(2) atom to form distorted OLiFeNiSn trigonal pyramids that share  a cornercorner with one O(15)LiNi2Sn tetrahedra, corners with two equivalent O(5)LiFeNi2 tetrahedra,  a cornercorner with one O(3)LiFe2Ni trigonal pyramid,  an edgeedge with one O(15)LiNi2Sn tetrahedra, and  an edgeedge with one O(13)LiFeNi2 trigonal pyramid. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(3), one Ni(3), and one Sn(2) atom. In the thirteenth O site, O(13) is bonded to one Li(4), one Fe(3), one Ni(2), and one Ni(3) atom to form distorted OLiFeNi2 trigonal pyramids that share  a cornercorner with one O(7)LiFeNiSn tetrahedra, corners with three equivalent O(5)LiFeNi2 tetrahedra,  a cornercorner with one O(2)LiFe2Sn trigonal pyramid,  a cornercorner with one O(8)LiFeNiSn trigonal pyramid,  an edgeedge with one O(15)LiNi2Sn tetrahedra, and  an edgeedge with one O(11)LiFeNiSn trigonal pyramid. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Ni(1), and one Sn(2) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one Ni(2), one Ni(3), and one Sn(2) atom to form distorted OLiNi2Sn tetrahedra that share corners with two equivalent O(5)LiFeNi2 tetrahedra,  a cornercorner with one O(3)LiFe2Ni trigonal pyramid,  a cornercorner with one O(11)LiFeNiSn trigonal pyramid,  an edgeedge with one O(13)LiFeNi2 trigonal pyramid, and  an edgeedge with one O(11)LiFeNiSn trigonal pyramid. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(2), one Ni(1), and one Sn(2) atom.