Li4Cr3Fe5O16 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 Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, and corners with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-63°. In the second Li site, Li(2) is bonded in a rectangular see-saw-like geometry to one O(14), one O(16), one O(5), and one O(9) atom. 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 Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra, corners with three equivalent Fe(1)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra, and  an edgeedge with one Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 61-64°. 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 Cr(3)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Fe(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 Cr sites. In the first Cr site, Cr(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 CrO6 octahedra that share corners with two equivalent Fe(3)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 Fe(1)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-53°. In the second Cr site, Cr(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 CrO6 octahedra that share corners with two equivalent Fe(3)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 Fe(1)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. In the third Cr site, Cr(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 CrO6 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,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, edges with two equivalent Fe(5)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 50-51°. There are five 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 Cr(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra, corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-54°. In the second Fe site, Fe(2) 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 Fe(3)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 Fe(1)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-55°. In the third Fe site, Fe(3) 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 Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra, and  an edgeedge with one Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. In the fourth Fe site, Fe(4) 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 Fe(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Cr(3)O6 octahedra, edges with two equivalent Fe(5)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. In the fifth Fe site, Fe(5) 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 Fe(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Cr(3)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 53-54°. 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 Cr(3), one Fe(1), and one Fe(4) atom. In the second O site, O(2) is bonded to one Li(4), one Cr(1), one Cr(2), and one Fe(1) atom to form distorted OLiCr2Fe tetrahedra that share  a cornercorner with one O(7)LiCrFe2 tetrahedra,  a cornercorner with one O(8)LiCrFe2 tetrahedra, corners with two equivalent O(4)LiCr2Fe tetrahedra,  an edgeedge with one O(7)LiCrFe2 tetrahedra, and  an edgeedge with one O(8)LiCrFe2 tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Cr(1), one Cr(2), and one Fe(2) atom. In the fourth O site, O(4) is bonded to one Li(3), one Cr(1), one Cr(2), and one Fe(2) atom to form distorted OLiCr2Fe tetrahedra that share corners with two equivalent O(2)LiCr2Fe tetrahedra, corners with two equivalent O(7)LiCrFe2 tetrahedra, and corners with two equivalent O(8)LiCrFe2 tetrahedra. In the fifth O site, O(5) is bonded to one Li(2), one Cr(3), one Fe(4), and one Fe(5) atom to form distorted OLiCrFe2 tetrahedra that share corners with two equivalent O(11)LiCrFe2 tetrahedra, corners with two equivalent O(15)LiFe3 tetrahedra, and corners with two equivalent O(12)LiCrFe2 trigonal pyramids. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one Cr(3), one Fe(1), and one Fe(5) atom. In the seventh O site, O(7) is bonded to one Li(4), one Cr(1), one Fe(1), and one Fe(2) atom to form distorted OLiCrFe2 tetrahedra that share  a cornercorner with one O(2)LiCr2Fe tetrahedra,  a cornercorner with one O(8)LiCrFe2 tetrahedra, corners with two equivalent O(4)LiCr2Fe tetrahedra,  an edgeedge with one O(2)LiCr2Fe tetrahedra, and  an edgeedge with one O(8)LiCrFe2 tetrahedra. In the eighth O site, O(8) is bonded to one Li(4), one Cr(2), one Fe(1), and one Fe(2) atom to form distorted OLiCrFe2 tetrahedra that share  a cornercorner with one O(2)LiCr2Fe tetrahedra,  a cornercorner with one O(7)LiCrFe2 tetrahedra, corners with two equivalent O(4)LiCr2Fe tetrahedra,  an edgeedge with one O(2)LiCr2Fe tetrahedra, and  an edgeedge with one O(7)LiCrFe2 tetrahedra. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Cr(1), one Cr(2), and one Fe(3) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(3), one Fe(1), one Fe(4), and one Fe(5) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Cr(3), one Fe(3), and one Fe(4) atom to form distorted OLiCrFe2 tetrahedra that share  a cornercorner with one O(15)LiFe3 tetrahedra, corners with two equivalent O(5)LiCrFe2 tetrahedra,  a cornercorner with one O(12)LiCrFe2 trigonal pyramid,  an edgeedge with one O(15)LiFe3 tetrahedra, and  an edgeedge with one O(12)LiCrFe2 trigonal pyramid. In the twelfth O site, O(12) is bonded to one Li(1), one Cr(3), one Fe(3), and one Fe(5) atom to form distorted OLiCrFe2 trigonal pyramids that share  a cornercorner with one O(11)LiCrFe2 tetrahedra,  a cornercorner with one O(15)LiFe3 tetrahedra, corners with two equivalent O(5)LiCrFe2 tetrahedra,  an edgeedge with one O(11)LiCrFe2 tetrahedra, and  an edgeedge with one O(15)LiFe3 tetrahedra. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(4), one Cr(3), one Fe(4), and one Fe(5) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2), one Cr(1), one Fe(2), and one Fe(3) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one Fe(3), one Fe(4), and one Fe(5) atom to form a mixture of distorted corner and edge-sharing OLiFe3 tetrahedra. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Cr(2), one Fe(2), and one Fe(3) atom.
Li4Cr3Fe5O16 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 Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra, corners with two equivalent Cr(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, and corners with three equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-63°. The Li(1)-O(11) bond length is 1.97 Å. The Li(1)-O(12) bond length is 1.97 Å. The Li(1)-O(15) bond length is 1.96 Å. The Li(1)-O(3) bond length is 2.04 Å. In the second Li site, Li(2) is bonded in a rectangular see-saw-like geometry to one O(14), one O(16), one O(5), and one O(9) atom. The Li(2)-O(14) bond length is 1.93 Å. The Li(2)-O(16) bond length is 1.98 Å. The Li(2)-O(5) bond length is 1.78 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 Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Fe(2)O6 octahedra, corners with three equivalent Fe(1)O6 octahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra, and  an edgeedge with one Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 61-64°. The Li(3)-O(1) bond length is 1.94 Å. The Li(3)-O(10) bond length is 1.96 Å. The Li(3)-O(4) bond length is 1.79 Å. The Li(3)-O(6) bond length is 1.93 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 Cr(3)O6 octahedra,  a cornercorner with one Fe(4)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra, corners with two equivalent Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Fe(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 2.00 Å. The Li(4)-O(2) bond length is 2.00 Å. The Li(4)-O(7) bond length is 1.99 Å. The Li(4)-O(8) bond length is 1.97 Å. There are three inequivalent Cr sites. In the first Cr site, Cr(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 CrO6 octahedra that share corners with two equivalent Fe(3)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 Fe(1)O6 octahedra, edges with two equivalent Cr(2)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-53°. The Cr(1)-O(14) bond length is 2.01 Å. The Cr(1)-O(2) bond length is 1.99 Å. The Cr(1)-O(3) bond length is 1.92 Å. The Cr(1)-O(4) bond length is 1.91 Å. The Cr(1)-O(7) bond length is 1.89 Å. The Cr(1)-O(9) bond length is 2.06 Å. In the second Cr site, Cr(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 CrO6 octahedra that share corners with two equivalent Fe(3)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 Fe(1)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. The Cr(2)-O(16) bond length is 1.93 Å. The Cr(2)-O(2) bond length is 1.95 Å. The Cr(2)-O(3) bond length is 1.99 Å. The Cr(2)-O(4) bond length is 1.97 Å. The Cr(2)-O(8) bond length is 1.96 Å. The Cr(2)-O(9) bond length is 1.93 Å. In the third Cr site, Cr(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 CrO6 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,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, edges with two equivalent Fe(5)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 50-51°. The Cr(3)-O(1) bond length is 2.03 Å. The Cr(3)-O(11) bond length is 1.98 Å. The Cr(3)-O(12) bond length is 1.90 Å. The Cr(3)-O(13) bond length is 1.91 Å. The Cr(3)-O(5) bond length is 1.92 Å. The Cr(3)-O(6) bond length is 1.99 Å. There are five 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 Cr(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with three equivalent Li(4)O4 tetrahedra, corners with three equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, and  an edgeedge with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-54°. The Fe(1)-O(1) bond length is 2.02 Å. The Fe(1)-O(10) bond length is 2.04 Å. The Fe(1)-O(2) bond length is 2.12 Å. The Fe(1)-O(6) bond length is 2.01 Å. The Fe(1)-O(7) bond length is 2.13 Å. The Fe(1)-O(8) bond length is 2.11 Å. In the second Fe site, Fe(2) 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 Fe(3)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 Fe(1)O6 octahedra, edges with two equivalent Cr(1)O6 octahedra, and edges with two equivalent Cr(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-55°. The Fe(2)-O(14) bond length is 2.02 Å. The Fe(2)-O(16) bond length is 2.07 Å. The Fe(2)-O(3) bond length is 2.02 Å. The Fe(2)-O(4) bond length is 2.00 Å. The Fe(2)-O(7) bond length is 2.07 Å. The Fe(2)-O(8) bond length is 2.00 Å. In the third Fe site, Fe(3) 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 Cr(1)O6 octahedra, corners with two equivalent Cr(2)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Cr(3)O6 octahedra,  an edgeedge with one Fe(4)O6 octahedra, and  an edgeedge with one Fe(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-55°. The Fe(3)-O(11) bond length is 2.08 Å. The Fe(3)-O(12) bond length is 2.11 Å. The Fe(3)-O(14) bond length is 2.02 Å. The Fe(3)-O(15) bond length is 2.10 Å. The Fe(3)-O(16) bond length is 2.07 Å. The Fe(3)-O(9) bond length is 2.08 Å. In the fourth Fe site, Fe(4) 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 Fe(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Cr(3)O6 octahedra, edges with two equivalent Fe(5)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles are 52°. The Fe(4)-O(1) bond length is 2.04 Å. The Fe(4)-O(10) bond length is 1.98 Å. The Fe(4)-O(11) bond length is 2.02 Å. The Fe(4)-O(13) bond length is 2.03 Å. The Fe(4)-O(15) bond length is 1.96 Å. The Fe(4)-O(5) bond length is 1.99 Å. In the fifth Fe site, Fe(5) 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 Fe(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Cr(3)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and  an edgeedge with one Li(3)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 53-54°. The Fe(5)-O(10) bond length is 2.03 Å. The Fe(5)-O(12) bond length is 2.08 Å. The Fe(5)-O(13) bond length is 2.01 Å. The Fe(5)-O(15) bond length is 2.01 Å. The Fe(5)-O(5) bond length is 1.98 Å. The Fe(5)-O(6) bond length is 2.06 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 Cr(3), one Fe(1), and one Fe(4) atom. In the second O site, O(2) is bonded to one Li(4), one Cr(1), one Cr(2), and one Fe(1) atom to form distorted OLiCr2Fe tetrahedra that share  a cornercorner with one O(7)LiCrFe2 tetrahedra,  a cornercorner with one O(8)LiCrFe2 tetrahedra, corners with two equivalent O(4)LiCr2Fe tetrahedra,  an edgeedge with one O(7)LiCrFe2 tetrahedra, and  an edgeedge with one O(8)LiCrFe2 tetrahedra. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(1), one Cr(1), one Cr(2), and one Fe(2) atom. In the fourth O site, O(4) is bonded to one Li(3), one Cr(1), one Cr(2), and one Fe(2) atom to form distorted OLiCr2Fe tetrahedra that share corners with two equivalent O(2)LiCr2Fe tetrahedra, corners with two equivalent O(7)LiCrFe2 tetrahedra, and corners with two equivalent O(8)LiCrFe2 tetrahedra. In the fifth O site, O(5) is bonded to one Li(2), one Cr(3), one Fe(4), and one Fe(5) atom to form distorted OLiCrFe2 tetrahedra that share corners with two equivalent O(11)LiCrFe2 tetrahedra, corners with two equivalent O(15)LiFe3 tetrahedra, and corners with two equivalent O(12)LiCrFe2 trigonal pyramids. In the sixth O site, O(6) is bonded in a rectangular see-saw-like geometry to one Li(3), one Cr(3), one Fe(1), and one Fe(5) atom. In the seventh O site, O(7) is bonded to one Li(4), one Cr(1), one Fe(1), and one Fe(2) atom to form distorted OLiCrFe2 tetrahedra that share  a cornercorner with one O(2)LiCr2Fe tetrahedra,  a cornercorner with one O(8)LiCrFe2 tetrahedra, corners with two equivalent O(4)LiCr2Fe tetrahedra,  an edgeedge with one O(2)LiCr2Fe tetrahedra, and  an edgeedge with one O(8)LiCrFe2 tetrahedra. In the eighth O site, O(8) is bonded to one Li(4), one Cr(2), one Fe(1), and one Fe(2) atom to form distorted OLiCrFe2 tetrahedra that share  a cornercorner with one O(2)LiCr2Fe tetrahedra,  a cornercorner with one O(7)LiCrFe2 tetrahedra, corners with two equivalent O(4)LiCr2Fe tetrahedra,  an edgeedge with one O(2)LiCr2Fe tetrahedra, and  an edgeedge with one O(7)LiCrFe2 tetrahedra. In the ninth O site, O(9) is bonded in a rectangular see-saw-like geometry to one Li(2), one Cr(1), one Cr(2), and one Fe(3) atom. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(3), one Fe(1), one Fe(4), and one Fe(5) atom. In the eleventh O site, O(11) is bonded to one Li(1), one Cr(3), one Fe(3), and one Fe(4) atom to form distorted OLiCrFe2 tetrahedra that share  a cornercorner with one O(15)LiFe3 tetrahedra, corners with two equivalent O(5)LiCrFe2 tetrahedra,  a cornercorner with one O(12)LiCrFe2 trigonal pyramid,  an edgeedge with one O(15)LiFe3 tetrahedra, and  an edgeedge with one O(12)LiCrFe2 trigonal pyramid. In the twelfth O site, O(12) is bonded to one Li(1), one Cr(3), one Fe(3), and one Fe(5) atom to form distorted OLiCrFe2 trigonal pyramids that share  a cornercorner with one O(11)LiCrFe2 tetrahedra,  a cornercorner with one O(15)LiFe3 tetrahedra, corners with two equivalent O(5)LiCrFe2 tetrahedra,  an edgeedge with one O(11)LiCrFe2 tetrahedra, and  an edgeedge with one O(15)LiFe3 tetrahedra. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(4), one Cr(3), one Fe(4), and one Fe(5) atom. In the fourteenth O site, O(14) is bonded in a rectangular see-saw-like geometry to one Li(2), one Cr(1), one Fe(2), and one Fe(3) atom. In the fifteenth O site, O(15) is bonded to one Li(1), one Fe(3), one Fe(4), and one Fe(5) atom to form a mixture of distorted corner and edge-sharing OLiFe3 tetrahedra. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Cr(2), one Fe(2), and one Fe(3) atom.