Li2MnFe(BO3)2 crystallizes in the monoclinic Pm space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(6), and one O(8) atom to form LiO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Mn(2)O5 trigonal bipyramid,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  a cornercorner with one Fe(1)O5 trigonal bipyramid,  a cornercorner with one Fe(2)O5 trigonal bipyramid, and  a cornercorner with one Fe(3)O5 trigonal bipyramid. In the second Li site, Li(2) is bonded to one O(12), one O(3), one O(4), and one O(5) atom to form LiO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Mn(2)O5 trigonal bipyramid,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  a cornercorner with one Fe(1)O5 trigonal bipyramid,  a cornercorner with one Fe(2)O5 trigonal bipyramid, and  a cornercorner with one Fe(3)O5 trigonal bipyramid. In the third Li site, Li(3) is bonded to one O(10), one O(11), one O(7), and one O(9) atom to form LiO4 tetrahedra that share corners with two equivalent Li(3)O4 tetrahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Mn(2)O5 trigonal bipyramid,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  a cornercorner with one Fe(1)O5 trigonal bipyramid,  a cornercorner with one Fe(2)O5 trigonal bipyramid, and  a cornercorner with one Fe(3)O5 trigonal bipyramid. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(4), two equivalent O(7), and two equivalent O(8) atoms to form distorted MnO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Fe(1)O5 trigonal bipyramids. In the second Mn site, Mn(2) is bonded to one O(9), two equivalent O(12), and two equivalent O(6) atoms to form distorted MnO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Mn(3)O5 trigonal bipyramids. In the third Mn site, Mn(3) is bonded to one O(10), two equivalent O(12), and two equivalent O(6) atoms to form distorted MnO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Mn(2)O5 trigonal bipyramids. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(5), two equivalent O(7), and two equivalent O(8) atoms to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Mn(1)O5 trigonal bipyramids. In the second Fe site, Fe(2) is bonded to one O(2), two equivalent O(11), and two equivalent O(3) atoms to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Fe(3)O5 trigonal bipyramids. In the third Fe site, Fe(3) is bonded to one O(1), two equivalent O(11), and two equivalent O(3) atoms to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Fe(2)O5 trigonal bipyramids. There are four inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(2), one O(4), and one O(9) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(1), one O(10), and one O(5) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(3), one O(6), and one O(7) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(11), one O(12), and one O(8) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Li(1), one Fe(3), and one B(2) atom to form distorted OLi2FeB tetrahedra that share  a cornercorner with one O(5)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra, corners with two equivalent O(2)Li2FeB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, and corners with two equivalent O(6)LiMn2B tetrahedra. In the second O site, O(2) is bonded to two equivalent Li(1), one Fe(2), and one B(1) atom to form distorted OLi2FeB tetrahedra that share  a cornercorner with one O(4)Li2MnB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra, corners with two equivalent O(1)Li2FeB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, and corners with two equivalent O(6)LiMn2B tetrahedra. In the third O site, O(3) is bonded to one Li(2), one Fe(2), one Fe(3), and one B(3) atom to form distorted OLiFe2B tetrahedra that share  a cornercorner with one O(1)Li2FeB tetrahedra,  a cornercorner with one O(2)Li2FeB tetrahedra,  a cornercorner with one O(5)Li2FeB tetrahedra,  a cornercorner with one O(4)Li2MnB tetrahedra,  a cornercorner with one O(12)LiMn2B tetrahedra,  a cornercorner with one O(6)LiMn2B tetrahedra,  a cornercorner with one O(7)LiMnFeB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, and  an edgeedge with one O(11)LiFe2B tetrahedra. In the fourth O site, O(4) is bonded to two equivalent Li(2), one Mn(1), and one B(1) atom to form distorted OLi2MnB tetrahedra that share  a cornercorner with one O(2)Li2FeB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra, corners with two equivalent O(5)Li2FeB tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, and corners with two equivalent O(7)LiMnFeB tetrahedra. In the fifth O site, O(5) is bonded to two equivalent Li(2), one Fe(1), and one B(2) atom to form distorted OLi2FeB tetrahedra that share  a cornercorner with one O(1)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra, corners with two equivalent O(4)Li2MnB tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, and corners with two equivalent O(7)LiMnFeB tetrahedra. In the sixth O site, O(6) is bonded to one Li(1), one Mn(2), one Mn(3), and one B(3) atom to form distorted OLiMn2B tetrahedra that share  a cornercorner with one O(1)Li2FeB tetrahedra,  a cornercorner with one O(2)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra,  a cornercorner with one O(3)LiFe2B tetrahedra,  a cornercorner with one O(7)LiMnFeB tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, corners with two equivalent O(6)LiMn2B tetrahedra, and  an edgeedge with one O(12)LiMn2B tetrahedra. In the seventh O site, O(7) is bonded to one Li(3), one Mn(1), one Fe(1), and one B(3) atom to form distorted OLiMnFeB tetrahedra that share  a cornercorner with one O(5)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra,  a cornercorner with one O(4)Li2MnB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra,  a cornercorner with one O(11)LiFe2B tetrahedra,  a cornercorner with one O(3)LiFe2B tetrahedra,  a cornercorner with one O(6)LiMn2B tetrahedra, and corners with two equivalent O(7)LiMnFeB tetrahedra. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Li(1), one Mn(1), one Fe(1), and one B(4) atom. In the ninth O site, O(9) is bonded to two equivalent Li(3), one Mn(2), and one B(1) atom to form distorted OLi2MnB tetrahedra that share  a cornercorner with one O(2)Li2FeB tetrahedra,  a cornercorner with one O(4)Li2MnB tetrahedra, corners with two equivalent O(10)Li2MnB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, corners with two equivalent O(6)LiMn2B tetrahedra, and corners with two equivalent O(7)LiMnFeB tetrahedra. In the tenth O site, O(10) is bonded to two equivalent Li(3), one Mn(3), and one B(2) atom to form distorted OLi2MnB tetrahedra that share  a cornercorner with one O(1)Li2FeB tetrahedra,  a cornercorner with one O(5)Li2FeB tetrahedra, corners with two equivalent O(9)Li2MnB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, corners with two equivalent O(6)LiMn2B tetrahedra, and corners with two equivalent O(7)LiMnFeB tetrahedra. In the eleventh O site, O(11) is bonded to one Li(3), one Fe(2), one Fe(3), and one B(4) atom to form distorted OLiFe2B tetrahedra that share  a cornercorner with one O(1)Li2FeB tetrahedra,  a cornercorner with one O(2)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra,  a cornercorner with one O(12)LiMn2B tetrahedra,  a cornercorner with one O(7)LiMnFeB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, and  an edgeedge with one O(3)LiFe2B tetrahedra. In the twelfth O site, O(12) is bonded to one Li(2), one Mn(2), one Mn(3), and one B(4) atom to form distorted OLiMn2B tetrahedra that share  a cornercorner with one O(5)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra,  a cornercorner with one O(4)Li2MnB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra,  a cornercorner with one O(11)LiFe2B tetrahedra,  a cornercorner with one O(3)LiFe2B tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, corners with two equivalent O(6)LiMn2B tetrahedra, and  an edgeedge with one O(6)LiMn2B tetrahedra.
Li2MnFe(BO3)2 crystallizes in the monoclinic Pm space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(6), and one O(8) atom to form LiO4 tetrahedra that share corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Mn(2)O5 trigonal bipyramid,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  a cornercorner with one Fe(1)O5 trigonal bipyramid,  a cornercorner with one Fe(2)O5 trigonal bipyramid, and  a cornercorner with one Fe(3)O5 trigonal bipyramid. The Li(1)-O(1) bond length is 2.01 Å. The Li(1)-O(2) bond length is 2.01 Å. The Li(1)-O(6) bond length is 1.99 Å. The Li(1)-O(8) bond length is 1.99 Å. In the second Li site, Li(2) is bonded to one O(12), one O(3), one O(4), and one O(5) atom to form LiO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Mn(2)O5 trigonal bipyramid,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  a cornercorner with one Fe(1)O5 trigonal bipyramid,  a cornercorner with one Fe(2)O5 trigonal bipyramid, and  a cornercorner with one Fe(3)O5 trigonal bipyramid. The Li(2)-O(12) bond length is 1.97 Å. The Li(2)-O(3) bond length is 2.00 Å. The Li(2)-O(4) bond length is 2.01 Å. The Li(2)-O(5) bond length is 2.03 Å. In the third Li site, Li(3) is bonded to one O(10), one O(11), one O(7), and one O(9) atom to form LiO4 tetrahedra that share corners with two equivalent Li(3)O4 tetrahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Mn(2)O5 trigonal bipyramid,  a cornercorner with one Mn(3)O5 trigonal bipyramid,  a cornercorner with one Fe(1)O5 trigonal bipyramid,  a cornercorner with one Fe(2)O5 trigonal bipyramid, and  a cornercorner with one Fe(3)O5 trigonal bipyramid. The Li(3)-O(10) bond length is 2.01 Å. The Li(3)-O(11) bond length is 1.97 Å. The Li(3)-O(7) bond length is 2.02 Å. The Li(3)-O(9) bond length is 2.00 Å. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(4), two equivalent O(7), and two equivalent O(8) atoms to form distorted MnO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Fe(1)O5 trigonal bipyramids. The Mn(1)-O(4) bond length is 2.11 Å. Both Mn(1)-O(7) bond lengths are 2.19 Å. Both Mn(1)-O(8) bond lengths are 2.19 Å. In the second Mn site, Mn(2) is bonded to one O(9), two equivalent O(12), and two equivalent O(6) atoms to form distorted MnO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Mn(3)O5 trigonal bipyramids. The Mn(2)-O(9) bond length is 2.10 Å. Both Mn(2)-O(12) bond lengths are 2.19 Å. Both Mn(2)-O(6) bond lengths are 2.18 Å. In the third Mn site, Mn(3) is bonded to one O(10), two equivalent O(12), and two equivalent O(6) atoms to form distorted MnO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Mn(2)O5 trigonal bipyramids. The Mn(3)-O(10) bond length is 2.10 Å. Both Mn(3)-O(12) bond lengths are 2.19 Å. Both Mn(3)-O(6) bond lengths are 2.18 Å. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(5), two equivalent O(7), and two equivalent O(8) atoms to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Mn(1)O5 trigonal bipyramids. The Fe(1)-O(5) bond length is 2.02 Å. Both Fe(1)-O(7) bond lengths are 2.15 Å. Both Fe(1)-O(8) bond lengths are 2.18 Å. In the second Fe site, Fe(2) is bonded to one O(2), two equivalent O(11), and two equivalent O(3) atoms to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Fe(3)O5 trigonal bipyramids. The Fe(2)-O(2) bond length is 2.04 Å. Both Fe(2)-O(11) bond lengths are 2.18 Å. Both Fe(2)-O(3) bond lengths are 2.16 Å. In the third Fe site, Fe(3) is bonded to one O(1), two equivalent O(11), and two equivalent O(3) atoms to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, and edges with two equivalent Fe(2)O5 trigonal bipyramids. The Fe(3)-O(1) bond length is 2.04 Å. Both Fe(3)-O(11) bond lengths are 2.18 Å. Both Fe(3)-O(3) bond lengths are 2.15 Å. There are four inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(2), one O(4), and one O(9) atom. The B(1)-O(2) bond length is 1.40 Å. The B(1)-O(4) bond length is 1.39 Å. The B(1)-O(9) bond length is 1.39 Å. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(1), one O(10), and one O(5) atom. The B(2)-O(1) bond length is 1.39 Å. The B(2)-O(10) bond length is 1.39 Å. The B(2)-O(5) bond length is 1.40 Å. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(3), one O(6), and one O(7) atom. The B(3)-O(3) bond length is 1.39 Å. The B(3)-O(6) bond length is 1.39 Å. The B(3)-O(7) bond length is 1.39 Å. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(11), one O(12), and one O(8) atom. The B(4)-O(11) bond length is 1.39 Å. The B(4)-O(12) bond length is 1.39 Å. The B(4)-O(8) bond length is 1.39 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Li(1), one Fe(3), and one B(2) atom to form distorted OLi2FeB tetrahedra that share  a cornercorner with one O(5)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra, corners with two equivalent O(2)Li2FeB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, and corners with two equivalent O(6)LiMn2B tetrahedra. In the second O site, O(2) is bonded to two equivalent Li(1), one Fe(2), and one B(1) atom to form distorted OLi2FeB tetrahedra that share  a cornercorner with one O(4)Li2MnB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra, corners with two equivalent O(1)Li2FeB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, and corners with two equivalent O(6)LiMn2B tetrahedra. In the third O site, O(3) is bonded to one Li(2), one Fe(2), one Fe(3), and one B(3) atom to form distorted OLiFe2B tetrahedra that share  a cornercorner with one O(1)Li2FeB tetrahedra,  a cornercorner with one O(2)Li2FeB tetrahedra,  a cornercorner with one O(5)Li2FeB tetrahedra,  a cornercorner with one O(4)Li2MnB tetrahedra,  a cornercorner with one O(12)LiMn2B tetrahedra,  a cornercorner with one O(6)LiMn2B tetrahedra,  a cornercorner with one O(7)LiMnFeB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, and  an edgeedge with one O(11)LiFe2B tetrahedra. In the fourth O site, O(4) is bonded to two equivalent Li(2), one Mn(1), and one B(1) atom to form distorted OLi2MnB tetrahedra that share  a cornercorner with one O(2)Li2FeB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra, corners with two equivalent O(5)Li2FeB tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, and corners with two equivalent O(7)LiMnFeB tetrahedra. In the fifth O site, O(5) is bonded to two equivalent Li(2), one Fe(1), and one B(2) atom to form distorted OLi2FeB tetrahedra that share  a cornercorner with one O(1)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra, corners with two equivalent O(4)Li2MnB tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, and corners with two equivalent O(7)LiMnFeB tetrahedra. In the sixth O site, O(6) is bonded to one Li(1), one Mn(2), one Mn(3), and one B(3) atom to form distorted OLiMn2B tetrahedra that share  a cornercorner with one O(1)Li2FeB tetrahedra,  a cornercorner with one O(2)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra,  a cornercorner with one O(3)LiFe2B tetrahedra,  a cornercorner with one O(7)LiMnFeB tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, corners with two equivalent O(6)LiMn2B tetrahedra, and  an edgeedge with one O(12)LiMn2B tetrahedra. In the seventh O site, O(7) is bonded to one Li(3), one Mn(1), one Fe(1), and one B(3) atom to form distorted OLiMnFeB tetrahedra that share  a cornercorner with one O(5)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra,  a cornercorner with one O(4)Li2MnB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra,  a cornercorner with one O(11)LiFe2B tetrahedra,  a cornercorner with one O(3)LiFe2B tetrahedra,  a cornercorner with one O(6)LiMn2B tetrahedra, and corners with two equivalent O(7)LiMnFeB tetrahedra. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Li(1), one Mn(1), one Fe(1), and one B(4) atom. In the ninth O site, O(9) is bonded to two equivalent Li(3), one Mn(2), and one B(1) atom to form distorted OLi2MnB tetrahedra that share  a cornercorner with one O(2)Li2FeB tetrahedra,  a cornercorner with one O(4)Li2MnB tetrahedra, corners with two equivalent O(10)Li2MnB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, corners with two equivalent O(6)LiMn2B tetrahedra, and corners with two equivalent O(7)LiMnFeB tetrahedra. In the tenth O site, O(10) is bonded to two equivalent Li(3), one Mn(3), and one B(2) atom to form distorted OLi2MnB tetrahedra that share  a cornercorner with one O(1)Li2FeB tetrahedra,  a cornercorner with one O(5)Li2FeB tetrahedra, corners with two equivalent O(9)Li2MnB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, corners with two equivalent O(6)LiMn2B tetrahedra, and corners with two equivalent O(7)LiMnFeB tetrahedra. In the eleventh O site, O(11) is bonded to one Li(3), one Fe(2), one Fe(3), and one B(4) atom to form distorted OLiFe2B tetrahedra that share  a cornercorner with one O(1)Li2FeB tetrahedra,  a cornercorner with one O(2)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra,  a cornercorner with one O(12)LiMn2B tetrahedra,  a cornercorner with one O(7)LiMnFeB tetrahedra, corners with two equivalent O(11)LiFe2B tetrahedra, corners with two equivalent O(3)LiFe2B tetrahedra, and  an edgeedge with one O(3)LiFe2B tetrahedra. In the twelfth O site, O(12) is bonded to one Li(2), one Mn(2), one Mn(3), and one B(4) atom to form distorted OLiMn2B tetrahedra that share  a cornercorner with one O(5)Li2FeB tetrahedra,  a cornercorner with one O(10)Li2MnB tetrahedra,  a cornercorner with one O(4)Li2MnB tetrahedra,  a cornercorner with one O(9)Li2MnB tetrahedra,  a cornercorner with one O(11)LiFe2B tetrahedra,  a cornercorner with one O(3)LiFe2B tetrahedra, corners with two equivalent O(12)LiMn2B tetrahedra, corners with two equivalent O(6)LiMn2B tetrahedra, and  an edgeedge with one O(6)LiMn2B tetrahedra.