Li4Mn3Fe2Sn3O16 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 Mn(1)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, and corners with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-66°. 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 Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Sn(3)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra, and  an edgeedge with one Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-69°. 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 Mn(1)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra, corners with three equivalent Fe(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, and  an edgeedge with one Sn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-69°. 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 Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Sn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, and corners with three equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-63°. There are three inequivalent Mn sites. In the first Mn site, Mn(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 MnO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Sn(1)O6 octahedra, edges with two equivalent Sn(2)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 47-48°. In the second Mn site, Mn(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 MnO6 octahedra that share corners with two equivalent Fe(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 Fe(2)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, edges with two equivalent Sn(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-51°. In the third Mn site, Mn(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 MnO6 octahedra that share corners with two equivalent Fe(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 Fe(2)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Sn(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-54°. There are two inequivalent Fe sites. In the first Fe site, Fe(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 FeO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, corners with three equivalent Li(3)O4 tetrahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra, and  an edgeedge with one Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-57°. In the second Fe site, Fe(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 FeO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, and  an edgeedge with one Sn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. There are three inequivalent Sn sites. In the first Sn site, Sn(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 SnO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Sn(2)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 54-56°. In the second Sn site, Sn(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 SnO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Sn(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 54-56°. In the third Sn site, Sn(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 SnO6 octahedra that share corners with two equivalent Fe(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 Fe(2)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 56-57°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Mn(2), one Fe(1), and one Sn(3) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Fe(1), one Sn(1), and one Sn(2) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Mn(1), one Sn(1), and one Sn(2) atom. In the fourth O site, O(4) is bonded to one Li(3), one Mn(1), one Sn(1), and one Sn(2) atom to form distorted corner-sharing OLiMnSn2 tetrahedra. In the fifth O site, O(5) is bonded to one Li(2), one Mn(2), one Mn(3), and one Sn(3) atom to form distorted OLiMn2Sn tetrahedra that share corners with two equivalent O(15)LiMn2Fe tetrahedra, corners with two equivalent O(11)LiMnFeSn tetrahedra, and corners with two equivalent O(12)LiMnFeSn tetrahedra. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Mn(3), one Fe(1), and one Sn(3) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Mn(1), one Fe(1), and one Sn(1) atom. In the eighth O site, O(8) is bonded to one Li(4), one Mn(1), one Fe(1), and one Sn(2) atom to form distorted corner-sharing OLiMnFeSn tetrahedra. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(2), one Sn(1), and one Sn(2) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Mn(2), one Mn(3), and one Fe(1) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Mn(2), one Fe(2), and one Sn(3) atom to form distorted OLiMnFeSn tetrahedra that share  a cornercorner with one O(15)LiMn2Fe tetrahedra,  a cornercorner with one O(12)LiMnFeSn tetrahedra, corners with two equivalent O(5)LiMn2Sn tetrahedra,  an edgeedge with one O(15)LiMn2Fe tetrahedra, and  an edgeedge with one O(12)LiMnFeSn tetrahedra. In the twelfth O site, O(12) is bonded to one Li(1), one Mn(3), one Fe(2), and one Sn(3) atom to form distorted OLiMnFeSn tetrahedra that share  a cornercorner with one O(15)LiMn2Fe tetrahedra,  a cornercorner with one O(11)LiMnFeSn tetrahedra, corners with two equivalent O(5)LiMn2Sn tetrahedra,  an edgeedge with one O(15)LiMn2Fe tetrahedra, and  an edgeedge with one O(11)LiMnFeSn tetrahedra. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(4), one Mn(2), one Mn(3), and one Sn(3) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2), one Mn(1), one Fe(2), and one Sn(1) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one Mn(2), one Mn(3), and one Fe(2) atom to form distorted OLiMn2Fe tetrahedra that share  a cornercorner with one O(11)LiMnFeSn tetrahedra,  a cornercorner with one O(12)LiMnFeSn tetrahedra, corners with two equivalent O(5)LiMn2Sn tetrahedra,  an edgeedge with one O(11)LiMnFeSn tetrahedra, and  an edgeedge with one O(12)LiMnFeSn tetrahedra. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2), one Mn(1), one Fe(2), and one Sn(2) atom.
Li4Mn3Fe2Sn3O16 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 Mn(1)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, and corners with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-66°. The Li(1)-O(11) bond length is 2.04 Å. The Li(1)-O(12) bond length is 2.02 Å. The Li(1)-O(15) bond length is 2.08 Å. The Li(1)-O(3) bond length is 1.98 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 Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Sn(3)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra, and  an edgeedge with one Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 52-69°. 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 1.78 Å. The Li(2)-O(9) bond length is 2.11 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 Mn(1)O6 octahedra,  a cornercorner with one Sn(1)O6 octahedra,  a cornercorner with one Sn(2)O6 octahedra, corners with three equivalent Fe(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, and  an edgeedge with one Sn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 56-69°. The Li(3)-O(1) bond length is 2.02 Å. The Li(3)-O(10) bond length is 1.92 Å. The Li(3)-O(4) bond length is 1.77 Å. The Li(3)-O(6) bond length is 2.02 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 Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Sn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, and corners with three equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-63°. The Li(4)-O(13) bond length is 1.99 Å. The Li(4)-O(2) bond length is 1.99 Å. The Li(4)-O(7) bond length is 2.08 Å. The Li(4)-O(8) bond length is 2.06 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(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 MnO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Sn(1)O6 octahedra, edges with two equivalent Sn(2)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 47-48°. The Mn(1)-O(14) bond length is 2.07 Å. The Mn(1)-O(16) bond length is 2.06 Å. The Mn(1)-O(3) bond length is 2.20 Å. The Mn(1)-O(4) bond length is 2.12 Å. The Mn(1)-O(7) bond length is 1.99 Å. The Mn(1)-O(8) bond length is 1.97 Å. In the second Mn site, Mn(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 MnO6 octahedra that share corners with two equivalent Fe(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 Fe(2)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, edges with two equivalent Sn(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-51°. The Mn(2)-O(1) bond length is 2.04 Å. The Mn(2)-O(10) bond length is 2.02 Å. The Mn(2)-O(11) bond length is 1.96 Å. The Mn(2)-O(13) bond length is 1.94 Å. The Mn(2)-O(15) bond length is 1.96 Å. The Mn(2)-O(5) bond length is 1.93 Å. In the third Mn site, Mn(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 MnO6 octahedra that share corners with two equivalent Fe(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 Fe(2)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Sn(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 51-54°. The Mn(3)-O(10) bond length is 2.20 Å. The Mn(3)-O(12) bond length is 1.95 Å. The Mn(3)-O(13) bond length is 2.13 Å. The Mn(3)-O(15) bond length is 2.08 Å. The Mn(3)-O(5) bond length is 2.09 Å. The Mn(3)-O(6) bond length is 1.99 Å. There are two inequivalent Fe sites. In the first Fe site, Fe(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 FeO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, corners with three equivalent Li(3)O4 tetrahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra, and  an edgeedge with one Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-57°. The Fe(1)-O(1) bond length is 2.10 Å. The Fe(1)-O(10) bond length is 2.03 Å. The Fe(1)-O(2) bond length is 2.16 Å. The Fe(1)-O(6) bond length is 2.08 Å. The Fe(1)-O(7) bond length is 2.14 Å. The Fe(1)-O(8) bond length is 2.14 Å. In the second Fe site, Fe(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 FeO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with two equivalent Sn(2)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra, and  an edgeedge with one Sn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-56°. The Fe(2)-O(11) bond length is 2.15 Å. The Fe(2)-O(12) bond length is 2.16 Å. The Fe(2)-O(14) bond length is 2.07 Å. The Fe(2)-O(15) bond length is 2.08 Å. The Fe(2)-O(16) bond length is 2.08 Å. The Fe(2)-O(9) bond length is 2.08 Å. There are three inequivalent Sn sites. In the first Sn site, Sn(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 SnO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Sn(2)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 54-56°. The Sn(1)-O(14) bond length is 2.12 Å. The Sn(1)-O(2) bond length is 2.10 Å. The Sn(1)-O(3) bond length is 2.06 Å. The Sn(1)-O(4) bond length is 2.04 Å. The Sn(1)-O(7) bond length is 2.12 Å. The Sn(1)-O(9) bond length is 2.13 Å. In the second Sn site, Sn(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 SnO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Sn(1)O6 octahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 54-56°. The Sn(2)-O(16) bond length is 2.12 Å. The Sn(2)-O(2) bond length is 2.10 Å. The Sn(2)-O(3) bond length is 2.05 Å. The Sn(2)-O(4) bond length is 2.04 Å. The Sn(2)-O(8) bond length is 2.11 Å. The Sn(2)-O(9) bond length is 2.13 Å. In the third Sn site, Sn(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 SnO6 octahedra that share corners with two equivalent Fe(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 Fe(2)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 56-57°. The Sn(3)-O(1) bond length is 2.13 Å. The Sn(3)-O(11) bond length is 2.12 Å. The Sn(3)-O(12) bond length is 2.10 Å. The Sn(3)-O(13) bond length is 2.07 Å. The Sn(3)-O(5) bond length is 2.06 Å. The Sn(3)-O(6) bond length is 2.12 Å. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Mn(2), one Fe(1), and one Sn(3) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Fe(1), one Sn(1), and one Sn(2) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Mn(1), one Sn(1), and one Sn(2) atom. In the fourth O site, O(4) is bonded to one Li(3), one Mn(1), one Sn(1), and one Sn(2) atom to form distorted corner-sharing OLiMnSn2 tetrahedra. In the fifth O site, O(5) is bonded to one Li(2), one Mn(2), one Mn(3), and one Sn(3) atom to form distorted OLiMn2Sn tetrahedra that share corners with two equivalent O(15)LiMn2Fe tetrahedra, corners with two equivalent O(11)LiMnFeSn tetrahedra, and corners with two equivalent O(12)LiMnFeSn tetrahedra. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Mn(3), one Fe(1), and one Sn(3) atom. In the seventh O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Mn(1), one Fe(1), and one Sn(1) atom. In the eighth O site, O(8) is bonded to one Li(4), one Mn(1), one Fe(1), and one Sn(2) atom to form distorted corner-sharing OLiMnFeSn tetrahedra. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(2), one Sn(1), and one Sn(2) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(3), one Mn(2), one Mn(3), and one Fe(1) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Mn(2), one Fe(2), and one Sn(3) atom to form distorted OLiMnFeSn tetrahedra that share  a cornercorner with one O(15)LiMn2Fe tetrahedra,  a cornercorner with one O(12)LiMnFeSn tetrahedra, corners with two equivalent O(5)LiMn2Sn tetrahedra,  an edgeedge with one O(15)LiMn2Fe tetrahedra, and  an edgeedge with one O(12)LiMnFeSn tetrahedra. In the twelfth O site, O(12) is bonded to one Li(1), one Mn(3), one Fe(2), and one Sn(3) atom to form distorted OLiMnFeSn tetrahedra that share  a cornercorner with one O(15)LiMn2Fe tetrahedra,  a cornercorner with one O(11)LiMnFeSn tetrahedra, corners with two equivalent O(5)LiMn2Sn tetrahedra,  an edgeedge with one O(15)LiMn2Fe tetrahedra, and  an edgeedge with one O(11)LiMnFeSn tetrahedra. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(4), one Mn(2), one Mn(3), and one Sn(3) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2), one Mn(1), one Fe(2), and one Sn(1) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one Mn(2), one Mn(3), and one Fe(2) atom to form distorted OLiMn2Fe tetrahedra that share  a cornercorner with one O(11)LiMnFeSn tetrahedra,  a cornercorner with one O(12)LiMnFeSn tetrahedra, corners with two equivalent O(5)LiMn2Sn tetrahedra,  an edgeedge with one O(11)LiMnFeSn tetrahedra, and  an edgeedge with one O(12)LiMnFeSn tetrahedra. In the sixteenth O site, O(16) is bonded in a rectangular see-saw-like geometry to one Li(2), one Mn(1), one Fe(2), and one Sn(2) atom.