Li9(FeO4)2 is Aluminum carbonitride-like structured and crystallizes in the monoclinic Pc space group. There are nine inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(6), one O(7), and one O(8) atom to form distorted LiO4 trigonal pyramids that share corners with two equivalent Li(3)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra, corners with two equivalent Li(9)O4 trigonal pyramids, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(8)O4 trigonal pyramid, and  an edgeedge with one Fe(2)O4 trigonal pyramid. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form distorted LiO4 tetrahedra that share corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Li(8)O4 trigonal pyramids, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Li(1)O4 trigonal pyramid. In the third Li site, Li(3) is bonded to one O(1), one O(2), one O(4), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, corners with two equivalent Li(1)O4 trigonal pyramids, corners with two equivalent Li(9)O4 trigonal pyramids,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra,  an edgeedge with one Li(8)O4 trigonal pyramid, and  an edgeedge with one Fe(2)O4 trigonal pyramid. In the fourth Li site, Li(4) is bonded to one O(4), one O(5), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra,  an edgeedge with one Fe(1)O4 tetrahedra,  an edgeedge with one Li(1)O4 trigonal pyramid, and  an edgeedge with one Li(9)O4 trigonal pyramid. In the fifth Li site, Li(5) is bonded to one O(3), one O(5), one O(6), and one O(8) atom to form LiO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with three equivalent Li(6)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Fe(1)O4 tetrahedra,  an edgeedge with one Li(1)O4 trigonal pyramid, and  an edgeedge with one Li(9)O4 trigonal pyramid. In the sixth Li site, Li(6) is bonded to one O(3), one O(5), one O(6), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with three equivalent Li(5)O4 tetrahedra, corners with two equivalent Li(1)O4 trigonal pyramids, corners with two equivalent Li(9)O4 trigonal pyramids,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Fe(2)O4 trigonal pyramid. In the seventh Li site, Li(7) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form distorted LiO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Li(8)O4 trigonal pyramids,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra,  an edgeedge with one Fe(1)O4 tetrahedra, and  an edgeedge with one Li(9)O4 trigonal pyramid. In the eighth Li site, Li(8) is bonded to one O(1), one O(2), one O(4), and one O(8) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Fe(1)O4 tetrahedra,  an edgeedge with one Li(1)O4 trigonal pyramid, and  an edgeedge with one Li(9)O4 trigonal pyramid. In the ninth Li site, Li(9) is bonded to one O(1), one O(5), one O(7), and one O(8) atom to form distorted LiO4 trigonal pyramids that share corners with two equivalent Li(3)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Li(1)O4 trigonal pyramids, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 trigonal pyramid. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form FeO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with two equivalent Li(9)O4 trigonal pyramids,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 trigonal pyramid. In the second Fe site, Fe(2) is bonded to one O(2), one O(6), one O(7), and one O(8) atom to form FeO4 trigonal pyramids that share corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra, corners with two equivalent Li(1)O4 trigonal pyramids, corners with two equivalent Li(8)O4 trigonal pyramids, corners with two equivalent Li(9)O4 trigonal pyramids,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Li(1)O4 trigonal pyramid. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(3), one Li(7), one Li(8), one Li(9), and one Fe(1) atom to form distorted OLi4Fe trigonal bipyramids that share corners with two equivalent O(7)Li5Fe octahedra, corners with two equivalent O(3)Li4Fe trigonal bipyramids, edges with two equivalent O(4)Li5Fe octahedra, and  an edgeedge with one O(2)Li4Fe trigonal bipyramid. The corner-sharing octahedral tilt angles range from 50-70°. In the second O site, O(2) is bonded to one Li(1), one Li(2), one Li(3), one Li(8), and one Fe(2) atom to form distorted OLi4Fe trigonal bipyramids that share  a cornercorner with one O(4)Li5Fe octahedra,  a cornercorner with one O(6)Li5Fe octahedra,  a cornercorner with one O(7)Li5Fe octahedra,  a cornercorner with one O(3)Li4Fe trigonal bipyramid,  an edgeedge with one O(4)Li5Fe octahedra,  an edgeedge with one O(6)Li5Fe octahedra,  an edgeedge with one O(7)Li5Fe octahedra, and  an edgeedge with one O(1)Li4Fe trigonal bipyramid. The corner-sharing octahedral tilt angles range from 42-60°. In the third O site, O(3) is bonded to one Li(2), one Li(5), one Li(6), one Li(7), and one Fe(1) atom to form distorted OLi4Fe trigonal bipyramids that share  a cornercorner with one O(4)Li5Fe octahedra,  a cornercorner with one O(6)Li5Fe octahedra,  a cornercorner with one O(7)Li5Fe octahedra,  a cornercorner with one O(2)Li4Fe trigonal bipyramid, corners with two equivalent O(1)Li4Fe trigonal bipyramids,  an edgeedge with one O(4)Li5Fe octahedra, and  an edgeedge with one O(6)Li5Fe octahedra. The corner-sharing octahedral tilt angles range from 45-59°. In the fourth O site, O(4) is bonded to one Li(2), one Li(3), one Li(4), one Li(7), one Li(8), and one Fe(1) atom to form distorted OLi5Fe octahedra that share corners with two equivalent O(6)Li5Fe octahedra,  a cornercorner with one O(2)Li4Fe trigonal bipyramid,  a cornercorner with one O(3)Li4Fe trigonal bipyramid,  an edgeedge with one O(7)Li5Fe octahedra,  an edgeedge with one O(2)Li4Fe trigonal bipyramid,  an edgeedge with one O(3)Li4Fe trigonal bipyramid, and edges with two equivalent O(1)Li4Fe trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-71°. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Li(4), one Li(5), one Li(6), one Li(7), one Li(9), and one Fe(1) atom. In the sixth O site, O(6) is bonded to one Li(1), one Li(2), one Li(4), one Li(5), one Li(6), and one Fe(2) atom to form distorted OLi5Fe octahedra that share corners with two equivalent O(4)Li5Fe octahedra,  a cornercorner with one O(2)Li4Fe trigonal bipyramid,  a cornercorner with one O(3)Li4Fe trigonal bipyramid, edges with two equivalent O(7)Li5Fe octahedra,  an edgeedge with one O(2)Li4Fe trigonal bipyramid, and  an edgeedge with one O(3)Li4Fe trigonal bipyramid. The corner-sharing octahedral tilt angles range from 54-71°. In the seventh O site, O(7) is bonded to one Li(1), one Li(3), one Li(4), one Li(6), one Li(9), and one Fe(2) atom to form distorted OLi5Fe octahedra that share  a cornercorner with one O(2)Li4Fe trigonal bipyramid,  a cornercorner with one O(3)Li4Fe trigonal bipyramid, corners with two equivalent O(1)Li4Fe trigonal bipyramids,  an edgeedge with one O(4)Li5Fe octahedra, edges with two equivalent O(6)Li5Fe octahedra, and  an edgeedge with one O(2)Li4Fe trigonal bipyramid. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Li(1), one Li(5), one Li(8), one Li(9), and one Fe(2) atom.
Li9(FeO4)2 is Aluminum carbonitride-like structured and crystallizes in the monoclinic Pc space group. There are nine inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(6), one O(7), and one O(8) atom to form distorted LiO4 trigonal pyramids that share corners with two equivalent Li(3)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra, corners with two equivalent Li(9)O4 trigonal pyramids, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(8)O4 trigonal pyramid, and  an edgeedge with one Fe(2)O4 trigonal pyramid. The Li(1)-O(2) bond length is 1.86 Å. The Li(1)-O(6) bond length is 2.10 Å. The Li(1)-O(7) bond length is 1.94 Å. The Li(1)-O(8) bond length is 2.11 Å. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form distorted LiO4 tetrahedra that share corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Li(8)O4 trigonal pyramids, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Li(1)O4 trigonal pyramid. The Li(2)-O(2) bond length is 2.05 Å. The Li(2)-O(3) bond length is 2.07 Å. The Li(2)-O(4) bond length is 2.07 Å. The Li(2)-O(6) bond length is 2.11 Å. In the third Li site, Li(3) is bonded to one O(1), one O(2), one O(4), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, corners with two equivalent Li(1)O4 trigonal pyramids, corners with two equivalent Li(9)O4 trigonal pyramids,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra,  an edgeedge with one Li(8)O4 trigonal pyramid, and  an edgeedge with one Fe(2)O4 trigonal pyramid. The Li(3)-O(1) bond length is 1.93 Å. The Li(3)-O(2) bond length is 1.93 Å. The Li(3)-O(4) bond length is 1.99 Å. The Li(3)-O(7) bond length is 1.90 Å. In the fourth Li site, Li(4) is bonded to one O(4), one O(5), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(6)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra,  an edgeedge with one Fe(1)O4 tetrahedra,  an edgeedge with one Li(1)O4 trigonal pyramid, and  an edgeedge with one Li(9)O4 trigonal pyramid. The Li(4)-O(4) bond length is 1.93 Å. The Li(4)-O(5) bond length is 2.01 Å. The Li(4)-O(6) bond length is 1.92 Å. The Li(4)-O(7) bond length is 1.97 Å. In the fifth Li site, Li(5) is bonded to one O(3), one O(5), one O(6), and one O(8) atom to form LiO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with three equivalent Li(6)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Fe(1)O4 tetrahedra,  an edgeedge with one Li(1)O4 trigonal pyramid, and  an edgeedge with one Li(9)O4 trigonal pyramid. The Li(5)-O(3) bond length is 2.12 Å. The Li(5)-O(5) bond length is 2.14 Å. The Li(5)-O(6) bond length is 2.03 Å. The Li(5)-O(8) bond length is 1.91 Å. In the sixth Li site, Li(6) is bonded to one O(3), one O(5), one O(6), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with three equivalent Li(5)O4 tetrahedra, corners with two equivalent Li(1)O4 trigonal pyramids, corners with two equivalent Li(9)O4 trigonal pyramids,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Fe(2)O4 trigonal pyramid. The Li(6)-O(3) bond length is 1.96 Å. The Li(6)-O(5) bond length is 2.23 Å. The Li(6)-O(6) bond length is 2.04 Å. The Li(6)-O(7) bond length is 1.89 Å. In the seventh Li site, Li(7) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form distorted LiO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Li(8)O4 trigonal pyramids,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra,  an edgeedge with one Fe(1)O4 tetrahedra, and  an edgeedge with one Li(9)O4 trigonal pyramid. The Li(7)-O(1) bond length is 1.98 Å. The Li(7)-O(3) bond length is 2.17 Å. The Li(7)-O(4) bond length is 2.04 Å. The Li(7)-O(5) bond length is 1.98 Å. In the eighth Li site, Li(8) is bonded to one O(1), one O(2), one O(4), and one O(8) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Fe(1)O4 tetrahedra,  an edgeedge with one Li(1)O4 trigonal pyramid, and  an edgeedge with one Li(9)O4 trigonal pyramid. The Li(8)-O(1) bond length is 2.00 Å. The Li(8)-O(2) bond length is 2.03 Å. The Li(8)-O(4) bond length is 1.95 Å. The Li(8)-O(8) bond length is 1.90 Å. In the ninth Li site, Li(9) is bonded to one O(1), one O(5), one O(7), and one O(8) atom to form distorted LiO4 trigonal pyramids that share corners with two equivalent Li(3)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra, corners with two equivalent Fe(1)O4 tetrahedra, corners with two equivalent Li(1)O4 trigonal pyramids, corners with two equivalent Fe(2)O4 trigonal pyramids,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 trigonal pyramid. The Li(9)-O(1) bond length is 2.03 Å. The Li(9)-O(5) bond length is 2.18 Å. The Li(9)-O(7) bond length is 2.02 Å. The Li(9)-O(8) bond length is 2.02 Å. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form FeO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, corners with two equivalent Li(6)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with two equivalent Li(9)O4 trigonal pyramids,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 trigonal pyramid. The Fe(1)-O(1) bond length is 1.83 Å. The Fe(1)-O(3) bond length is 1.84 Å. The Fe(1)-O(4) bond length is 1.94 Å. The Fe(1)-O(5) bond length is 1.88 Å. In the second Fe site, Fe(2) is bonded to one O(2), one O(6), one O(7), and one O(8) atom to form FeO4 trigonal pyramids that share corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra, corners with two equivalent Li(1)O4 trigonal pyramids, corners with two equivalent Li(8)O4 trigonal pyramids, corners with two equivalent Li(9)O4 trigonal pyramids,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(6)O4 tetrahedra, and  an edgeedge with one Li(1)O4 trigonal pyramid. The Fe(2)-O(2) bond length is 1.87 Å. The Fe(2)-O(6) bond length is 1.93 Å. The Fe(2)-O(7) bond length is 1.99 Å. The Fe(2)-O(8) bond length is 1.85 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(3), one Li(7), one Li(8), one Li(9), and one Fe(1) atom to form distorted OLi4Fe trigonal bipyramids that share corners with two equivalent O(7)Li5Fe octahedra, corners with two equivalent O(3)Li4Fe trigonal bipyramids, edges with two equivalent O(4)Li5Fe octahedra, and  an edgeedge with one O(2)Li4Fe trigonal bipyramid. The corner-sharing octahedral tilt angles range from 50-70°. In the second O site, O(2) is bonded to one Li(1), one Li(2), one Li(3), one Li(8), and one Fe(2) atom to form distorted OLi4Fe trigonal bipyramids that share  a cornercorner with one O(4)Li5Fe octahedra,  a cornercorner with one O(6)Li5Fe octahedra,  a cornercorner with one O(7)Li5Fe octahedra,  a cornercorner with one O(3)Li4Fe trigonal bipyramid,  an edgeedge with one O(4)Li5Fe octahedra,  an edgeedge with one O(6)Li5Fe octahedra,  an edgeedge with one O(7)Li5Fe octahedra, and  an edgeedge with one O(1)Li4Fe trigonal bipyramid. The corner-sharing octahedral tilt angles range from 42-60°. In the third O site, O(3) is bonded to one Li(2), one Li(5), one Li(6), one Li(7), and one Fe(1) atom to form distorted OLi4Fe trigonal bipyramids that share  a cornercorner with one O(4)Li5Fe octahedra,  a cornercorner with one O(6)Li5Fe octahedra,  a cornercorner with one O(7)Li5Fe octahedra,  a cornercorner with one O(2)Li4Fe trigonal bipyramid, corners with two equivalent O(1)Li4Fe trigonal bipyramids,  an edgeedge with one O(4)Li5Fe octahedra, and  an edgeedge with one O(6)Li5Fe octahedra. The corner-sharing octahedral tilt angles range from 45-59°. In the fourth O site, O(4) is bonded to one Li(2), one Li(3), one Li(4), one Li(7), one Li(8), and one Fe(1) atom to form distorted OLi5Fe octahedra that share corners with two equivalent O(6)Li5Fe octahedra,  a cornercorner with one O(2)Li4Fe trigonal bipyramid,  a cornercorner with one O(3)Li4Fe trigonal bipyramid,  an edgeedge with one O(7)Li5Fe octahedra,  an edgeedge with one O(2)Li4Fe trigonal bipyramid,  an edgeedge with one O(3)Li4Fe trigonal bipyramid, and edges with two equivalent O(1)Li4Fe trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-71°. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Li(4), one Li(5), one Li(6), one Li(7), one Li(9), and one Fe(1) atom. In the sixth O site, O(6) is bonded to one Li(1), one Li(2), one Li(4), one Li(5), one Li(6), and one Fe(2) atom to form distorted OLi5Fe octahedra that share corners with two equivalent O(4)Li5Fe octahedra,  a cornercorner with one O(2)Li4Fe trigonal bipyramid,  a cornercorner with one O(3)Li4Fe trigonal bipyramid, edges with two equivalent O(7)Li5Fe octahedra,  an edgeedge with one O(2)Li4Fe trigonal bipyramid, and  an edgeedge with one O(3)Li4Fe trigonal bipyramid. The corner-sharing octahedral tilt angles range from 54-71°. In the seventh O site, O(7) is bonded to one Li(1), one Li(3), one Li(4), one Li(6), one Li(9), and one Fe(2) atom to form distorted OLi5Fe octahedra that share  a cornercorner with one O(2)Li4Fe trigonal bipyramid,  a cornercorner with one O(3)Li4Fe trigonal bipyramid, corners with two equivalent O(1)Li4Fe trigonal bipyramids,  an edgeedge with one O(4)Li5Fe octahedra, edges with two equivalent O(6)Li5Fe octahedra, and  an edgeedge with one O(2)Li4Fe trigonal bipyramid. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Li(1), one Li(5), one Li(8), one Li(9), and one Fe(2) atom.