Li8Mn(FeO4)3 is Caswellsilverite-derived structured and crystallizes in the monoclinic P2 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, corners with four equivalent Li(8)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-51°. In the second Li site, Li(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with four equivalent Li(7)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-52°. In the third Li site, Li(3) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(5)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-52°. In the fourth Li site, Li(4) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Li(6)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. In the fifth Li site, Li(5) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(7)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with four equivalent Li(3)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Li(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. In the sixth Li site, Li(6) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form LiO6 octahedra that share corners with two equivalent Li(7)O6 octahedra, corners with two equivalent Li(8)O6 octahedra, corners with four equivalent Li(4)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and faces with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-51°. In the seventh Li site, Li(7) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(5)O6 octahedra, corners with two equivalent Li(6)O6 octahedra, corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Fe(1)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and faces with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-50°. In the eighth Li site, Li(8) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(6)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Fe(1)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and faces with two equivalent Li(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-51°. Mn(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with two equivalent Li(8)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with four equivalent Li(3)O6 octahedra, corners with four equivalent Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Li(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-50°. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with four equivalent Li(7)O6 octahedra, corners with four equivalent Li(8)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Li(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-52°. In the second Fe site, Fe(2) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Li(5)O6 octahedra, corners with four equivalent Li(6)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-51°. In the third Fe site, Fe(3) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form FeO6 octahedra that share corners with two equivalent Li(5)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Li(2)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and faces with two equivalent Li(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-52°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(4), one Li(6), one Li(7), one Mn(1), and one Fe(3) atom to form distorted OLi4MnFe pentagonal pyramids that share corners with two equivalent O(3)Li4Fe2 pentagonal pyramids, corners with two equivalent O(1)Li4MnFe pentagonal pyramids,  an edgeedge with one O(3)Li4Fe2 pentagonal pyramid, edges with two equivalent O(1)Li4MnFe pentagonal pyramids, edges with four equivalent O(4)Li4Fe2 pentagonal pyramids, and edges with four equivalent O(5)Li4MnFe pentagonal pyramids. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Li(3), one Li(5), one Li(7), one Li(8), one Mn(1), and one Fe(1) atom. In the third O site, O(3) is bonded to one Li(1), one Li(5), one Li(6), one Li(8), one Fe(2), and one Fe(3) atom to form distorted OLi4Fe2 pentagonal pyramids that share corners with two equivalent O(3)Li4Fe2 pentagonal pyramids, corners with two equivalent O(1)Li4MnFe pentagonal pyramids,  an edgeedge with one O(1)Li4MnFe pentagonal pyramid, edges with two equivalent O(3)Li4Fe2 pentagonal pyramids, edges with four equivalent O(4)Li4Fe2 pentagonal pyramids, and edges with four equivalent O(6)Li4Fe2 pentagonal pyramids. In the fourth O site, O(4) is bonded to one Li(1), one Li(2), one Li(4), one Li(6), one Fe(2), and one Fe(3) atom to form distorted OLi4Fe2 pentagonal pyramids that share corners with two equivalent O(4)Li4Fe2 pentagonal pyramids, corners with two equivalent O(6)Li4Fe2 pentagonal pyramids, corners with two equivalent O(5)Li4MnFe pentagonal pyramids,  an edgeedge with one O(6)Li4Fe2 pentagonal pyramid,  an edgeedge with one O(5)Li4MnFe pentagonal pyramid, edges with two equivalent O(4)Li4Fe2 pentagonal pyramids, edges with four equivalent O(3)Li4Fe2 pentagonal pyramids, and edges with four equivalent O(1)Li4MnFe pentagonal pyramids. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), one Li(4), one Li(7), one Mn(1), and one Fe(1) atom to form distorted OLi4MnFe pentagonal pyramids that share corners with two equivalent O(4)Li4Fe2 pentagonal pyramids, corners with two equivalent O(6)Li4Fe2 pentagonal pyramids, corners with two equivalent O(5)Li4MnFe pentagonal pyramids,  an edgeedge with one O(4)Li4Fe2 pentagonal pyramid,  an edgeedge with one O(6)Li4Fe2 pentagonal pyramid, edges with two equivalent O(5)Li4MnFe pentagonal pyramids, and edges with four equivalent O(1)Li4MnFe pentagonal pyramids. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one Li(5), one Li(8), one Fe(1), and one Fe(2) atom to form distorted OLi4Fe2 pentagonal pyramids that share corners with two equivalent O(4)Li4Fe2 pentagonal pyramids, corners with two equivalent O(6)Li4Fe2 pentagonal pyramids, corners with two equivalent O(5)Li4MnFe pentagonal pyramids,  an edgeedge with one O(4)Li4Fe2 pentagonal pyramid,  an edgeedge with one O(5)Li4MnFe pentagonal pyramid, edges with two equivalent O(6)Li4Fe2 pentagonal pyramids, and edges with four equivalent O(3)Li4Fe2 pentagonal pyramids.
Li8Mn(FeO4)3 is Caswellsilverite-derived structured and crystallizes in the monoclinic P2 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Li(4)O6 octahedra, corners with four equivalent Li(8)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, and faces with two equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-51°. Both Li(1)-O(3) bond lengths are 2.12 Å. Both Li(1)-O(4) bond lengths are 2.10 Å. Both Li(1)-O(6) bond lengths are 2.09 Å. In the second Li site, Li(2) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with four equivalent Li(7)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra, edges with two equivalent Li(6)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-52°. Both Li(2)-O(1) bond lengths are 2.14 Å. Both Li(2)-O(4) bond lengths are 2.16 Å. Both Li(2)-O(5) bond lengths are 2.12 Å. In the third Li site, Li(3) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(5)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, and faces with two equivalent Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-52°. Both Li(3)-O(2) bond lengths are 2.15 Å. Both Li(3)-O(5) bond lengths are 2.11 Å. Both Li(3)-O(6) bond lengths are 2.07 Å. In the fourth Li site, Li(4) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Li(6)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, edges with two equivalent Li(7)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. Both Li(4)-O(1) bond lengths are 2.16 Å. Both Li(4)-O(4) bond lengths are 2.13 Å. Both Li(4)-O(5) bond lengths are 2.17 Å. In the fifth Li site, Li(5) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(7)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with four equivalent Li(3)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Li(8)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. Both Li(5)-O(2) bond lengths are 2.11 Å. Both Li(5)-O(3) bond lengths are 2.14 Å. Both Li(5)-O(6) bond lengths are 2.18 Å. In the sixth Li site, Li(6) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form LiO6 octahedra that share corners with two equivalent Li(7)O6 octahedra, corners with two equivalent Li(8)O6 octahedra, corners with four equivalent Li(4)O6 octahedra, corners with four equivalent Fe(2)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, and faces with two equivalent Fe(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-51°. Both Li(6)-O(1) bond lengths are 2.07 Å. Both Li(6)-O(3) bond lengths are 2.12 Å. Both Li(6)-O(4) bond lengths are 2.14 Å. In the seventh Li site, Li(7) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(5)O6 octahedra, corners with two equivalent Li(6)O6 octahedra, corners with four equivalent Li(2)O6 octahedra, corners with four equivalent Fe(1)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, and faces with two equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-50°. Both Li(7)-O(1) bond lengths are 2.08 Å. Both Li(7)-O(2) bond lengths are 2.12 Å. Both Li(7)-O(5) bond lengths are 2.11 Å. In the eighth Li site, Li(8) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form LiO6 octahedra that share corners with two equivalent Li(6)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Fe(1)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and faces with two equivalent Li(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-51°. Both Li(8)-O(2) bond lengths are 2.19 Å. Both Li(8)-O(3) bond lengths are 2.11 Å. Both Li(8)-O(6) bond lengths are 2.15 Å. Mn(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with two equivalent Li(8)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with four equivalent Li(3)O6 octahedra, corners with four equivalent Li(4)O6 octahedra,  an edgeedge with one Li(5)O6 octahedra,  an edgeedge with one Li(6)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Li(7)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-50°. Both Mn(1)-O(1) bond lengths are 1.95 Å. Both Mn(1)-O(2) bond lengths are 1.96 Å. Both Mn(1)-O(5) bond lengths are 1.93 Å. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent O(2), two equivalent O(5), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Li(4)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with four equivalent Li(7)O6 octahedra, corners with four equivalent Li(8)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Li(5)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and faces with two equivalent Li(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-52°. Both Fe(1)-O(2) bond lengths are 1.94 Å. Both Fe(1)-O(5) bond lengths are 2.00 Å. Both Fe(1)-O(6) bond lengths are 1.99 Å. In the second Fe site, Fe(2) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Li(5)O6 octahedra, corners with four equivalent Li(6)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, edges with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-51°. Both Fe(2)-O(3) bond lengths are 1.92 Å. Both Fe(2)-O(4) bond lengths are 2.01 Å. Both Fe(2)-O(6) bond lengths are 1.98 Å. In the third Fe site, Fe(3) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form FeO6 octahedra that share corners with two equivalent Li(5)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, corners with four equivalent Li(2)O6 octahedra,  an edgeedge with one Li(7)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, and faces with two equivalent Li(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 40-52°. Both Fe(3)-O(1) bond lengths are 2.02 Å. Both Fe(3)-O(3) bond lengths are 2.05 Å. Both Fe(3)-O(4) bond lengths are 1.93 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(4), one Li(6), one Li(7), one Mn(1), and one Fe(3) atom to form distorted OLi4MnFe pentagonal pyramids that share corners with two equivalent O(3)Li4Fe2 pentagonal pyramids, corners with two equivalent O(1)Li4MnFe pentagonal pyramids,  an edgeedge with one O(3)Li4Fe2 pentagonal pyramid, edges with two equivalent O(1)Li4MnFe pentagonal pyramids, edges with four equivalent O(4)Li4Fe2 pentagonal pyramids, and edges with four equivalent O(5)Li4MnFe pentagonal pyramids. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Li(3), one Li(5), one Li(7), one Li(8), one Mn(1), and one Fe(1) atom. In the third O site, O(3) is bonded to one Li(1), one Li(5), one Li(6), one Li(8), one Fe(2), and one Fe(3) atom to form distorted OLi4Fe2 pentagonal pyramids that share corners with two equivalent O(3)Li4Fe2 pentagonal pyramids, corners with two equivalent O(1)Li4MnFe pentagonal pyramids,  an edgeedge with one O(1)Li4MnFe pentagonal pyramid, edges with two equivalent O(3)Li4Fe2 pentagonal pyramids, edges with four equivalent O(4)Li4Fe2 pentagonal pyramids, and edges with four equivalent O(6)Li4Fe2 pentagonal pyramids. In the fourth O site, O(4) is bonded to one Li(1), one Li(2), one Li(4), one Li(6), one Fe(2), and one Fe(3) atom to form distorted OLi4Fe2 pentagonal pyramids that share corners with two equivalent O(4)Li4Fe2 pentagonal pyramids, corners with two equivalent O(6)Li4Fe2 pentagonal pyramids, corners with two equivalent O(5)Li4MnFe pentagonal pyramids,  an edgeedge with one O(6)Li4Fe2 pentagonal pyramid,  an edgeedge with one O(5)Li4MnFe pentagonal pyramid, edges with two equivalent O(4)Li4Fe2 pentagonal pyramids, edges with four equivalent O(3)Li4Fe2 pentagonal pyramids, and edges with four equivalent O(1)Li4MnFe pentagonal pyramids. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), one Li(4), one Li(7), one Mn(1), and one Fe(1) atom to form distorted OLi4MnFe pentagonal pyramids that share corners with two equivalent O(4)Li4Fe2 pentagonal pyramids, corners with two equivalent O(6)Li4Fe2 pentagonal pyramids, corners with two equivalent O(5)Li4MnFe pentagonal pyramids,  an edgeedge with one O(4)Li4Fe2 pentagonal pyramid,  an edgeedge with one O(6)Li4Fe2 pentagonal pyramid, edges with two equivalent O(5)Li4MnFe pentagonal pyramids, and edges with four equivalent O(1)Li4MnFe pentagonal pyramids. In the sixth O site, O(6) is bonded to one Li(1), one Li(3), one Li(5), one Li(8), one Fe(1), and one Fe(2) atom to form distorted OLi4Fe2 pentagonal pyramids that share corners with two equivalent O(4)Li4Fe2 pentagonal pyramids, corners with two equivalent O(6)Li4Fe2 pentagonal pyramids, corners with two equivalent O(5)Li4MnFe pentagonal pyramids,  an edgeedge with one O(4)Li4Fe2 pentagonal pyramid,  an edgeedge with one O(5)Li4MnFe pentagonal pyramid, edges with two equivalent O(6)Li4Fe2 pentagonal pyramids, and edges with four equivalent O(3)Li4Fe2 pentagonal pyramids.