The crystal structure described by Li8MnFe7(BO3)8 crystallizes in the triclinic P1 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), one O(4), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Fe(6)O5 trigonal bipyramid, corners with two equivalent Fe(1)O5 trigonal bipyramids,  an edgeedge with one Fe(2)O5 trigonal bipyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. In the second Li site, Li(2) is bonded to one O(1), one O(15), one O(5), and one O(6) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(3)O5 trigonal bipyramid,  a cornercorner with one Fe(4)O5 trigonal bipyramid, corners with two equivalent Fe(2)O5 trigonal bipyramids,  an edgeedge with one Fe(1)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the third Li site, Li(3) is bonded to one O(1), one O(15), one O(7), and one O(8) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(1)O5 trigonal bipyramid,  a cornercorner with one Fe(7)O5 trigonal bipyramid, corners with two equivalent Mn(1)O5 trigonal bipyramids,  an edgeedge with one Li(2)O4 tetrahedra, and  an edgeedge with one Fe(4)O5 trigonal bipyramid. In the fourth Li site, Li(4) is bonded to one O(11), one O(12), one O(4), and one O(9) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(2)O5 trigonal bipyramid,  a cornercorner with one Fe(5)O5 trigonal bipyramid, corners with two equivalent Fe(4)O5 trigonal bipyramids,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one Mn(1)O5 trigonal bipyramid. In the fifth Li site, Li(5) is bonded to one O(13), one O(14), one O(16), and one O(21) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(2)O5 trigonal bipyramid,  a cornercorner with one Fe(5)O5 trigonal bipyramid, corners with two equivalent Fe(3)O5 trigonal bipyramids,  an edgeedge with one Fe(6)O5 trigonal bipyramid, and  an edgeedge with one Li(8)O4 trigonal pyramid. In the sixth Li site, Li(6) is bonded to one O(10), one O(17), one O(18), and one O(24) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(1)O5 trigonal bipyramid,  a cornercorner with one Fe(7)O5 trigonal bipyramid, corners with two equivalent Fe(6)O5 trigonal bipyramids,  an edgeedge with one Fe(3)O5 trigonal bipyramid, and  an edgeedge with one Li(7)O4 trigonal pyramid. In the seventh Li site, Li(7) is bonded to one O(10), one O(19), one O(20), and one O(24) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(3)O5 trigonal bipyramid,  a cornercorner with one Fe(4)O5 trigonal bipyramid, corners with two equivalent Fe(5)O5 trigonal bipyramids,  an edgeedge with one Fe(7)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O4 trigonal pyramid. In the eighth Li site, Li(8) is bonded to one O(16), one O(21), one O(22), and one O(23) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Fe(6)O5 trigonal bipyramid, corners with two equivalent Fe(7)O5 trigonal bipyramids,  an edgeedge with one Fe(5)O5 trigonal bipyramid, and  an edgeedge with one Li(5)O4 trigonal pyramid. Mn(1) is bonded to one O(12), one O(22), one O(4), one O(7), and one O(8) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, corners with two equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Fe(4)O5 trigonal bipyramid,  an edgeedge with one Fe(7)O5 trigonal bipyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. There are seven inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(17), one O(2), one O(3), and one O(6) atom to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  a cornercorner with one Li(6)O4 trigonal pyramid,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Fe(2)O5 trigonal bipyramid, and  an edgeedge with one Fe(6)O5 trigonal bipyramid. In the second Fe site, Fe(2) is bonded to one O(14), one O(2), one O(5), one O(6), and one O(9) atom to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  a cornercorner with one Li(5)O4 trigonal pyramid,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Fe(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(3)O5 trigonal bipyramid. In the third Fe site, Fe(3) is bonded to one O(10), one O(13), one O(14), one O(18), and one O(5) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 trigonal pyramid, corners with two equivalent Li(5)O4 trigonal pyramids,  an edgeedge with one Fe(2)O5 trigonal bipyramid,  an edgeedge with one Fe(6)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O4 trigonal pyramid. In the fourth Fe site, Fe(4) is bonded to one O(11), one O(12), one O(15), one O(20), and one O(7) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 trigonal pyramid, corners with two equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Mn(1)O5 trigonal bipyramid,  an edgeedge with one Fe(5)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the fifth Fe site, Fe(5) is bonded to one O(11), one O(16), one O(19), one O(20), and one O(23) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one Li(4)O4 trigonal pyramid,  a cornercorner with one Li(5)O4 trigonal pyramid, corners with two equivalent Li(7)O4 trigonal pyramids,  an edgeedge with one Fe(4)O5 trigonal bipyramid,  an edgeedge with one Fe(7)O5 trigonal bipyramid, and  an edgeedge with one Li(8)O4 trigonal pyramid. In the sixth Fe site, Fe(6) is bonded to one O(13), one O(17), one O(18), one O(21), and one O(3) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, corners with two equivalent Li(6)O4 trigonal pyramids,  an edgeedge with one Fe(1)O5 trigonal bipyramid,  an edgeedge with one Fe(3)O5 trigonal bipyramid, and  an edgeedge with one Li(5)O4 trigonal pyramid. In the seventh Fe site, Fe(7) is bonded to one O(19), one O(22), one O(23), one O(24), and one O(8) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(3)O4 trigonal pyramid,  a cornercorner with one Li(6)O4 trigonal pyramid, corners with two equivalent Li(8)O4 trigonal pyramids,  an edgeedge with one Mn(1)O5 trigonal bipyramid,  an edgeedge with one Fe(5)O5 trigonal bipyramid, and  an edgeedge with one Li(7)O4 trigonal pyramid. There are eight inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(8) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(7) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(11), one O(6), and one O(9) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(10), one O(13), and one O(20) atom. In the fifth B site, B(5) is bonded in a trigonal planar geometry to one O(12), one O(15), and one O(5) atom. In the sixth B site, B(6) is bonded in a trigonal planar geometry to one O(14), one O(16), and one O(19) atom. In the seventh B site, B(7) is bonded in a trigonal planar geometry to one O(18), one O(21), and one O(22) atom. In the eighth B site, B(8) is bonded in a trigonal planar geometry to one O(17), one O(23), and one O(24) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(3), one Fe(1), and one B(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Li(1), one Fe(1), one Fe(2), and one B(1) atom. In the third O site, O(3) is bonded to one Li(1), one Fe(1), one Fe(6), and one B(2) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(4), one Mn(1), and one B(2) atom. In the fifth O site, O(5) is bonded to one Li(2), one Fe(2), one Fe(3), and one B(5) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(2), one Fe(1), one Fe(2), and one B(3) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Li(3), one Mn(1), one Fe(4), and one B(2) atom. In the eighth O site, O(8) is bonded to one Li(3), one Mn(1), one Fe(7), and one B(1) atom to form distorted edge-sharing OLiMnFeB tetrahedra. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(4), one Fe(2), and one B(3) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(6), one Li(7), one Fe(3), and one B(4) atom. In the eleventh O site, O(11) is bonded to one Li(4), one Fe(4), one Fe(5), and one B(3) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Li(4), one Mn(1), one Fe(4), and one B(5) atom. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Li(5), one Fe(3), one Fe(6), and one B(4) atom. In the fourteenth O site, O(14) is bonded to one Li(5), one Fe(2), one Fe(3), and one B(6) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the fifteenth O site, O(15) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(3), one Fe(4), and one B(5) atom. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(5), one Li(8), one Fe(5), and one B(6) atom. In the seventeenth O site, O(17) is bonded to one Li(6), one Fe(1), one Fe(6), and one B(8) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the eighteenth O site, O(18) is bonded in a 4-coordinate geometry to one Li(6), one Fe(3), one Fe(6), and one B(7) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Li(7), one Fe(5), one Fe(7), and one B(6) atom. In the twentieth O site, O(20) is bonded to one Li(7), one Fe(4), one Fe(5), and one B(4) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the twenty-first O site, O(21) is bonded in a distorted rectangular see-saw-like geometry to one Li(5), one Li(8), one Fe(6), and one B(7) atom. In the twenty-second O site, O(22) is bonded to one Li(8), one Mn(1), one Fe(7), and one B(7) atom to form distorted edge-sharing OLiMnFeB tetrahedra. In the twenty-third O site, O(23) is bonded in a 4-coordinate geometry to one Li(8), one Fe(5), one Fe(7), and one B(8) atom. In the twenty-fourth O site, O(24) is bonded in a distorted rectangular see-saw-like geometry to one Li(6), one Li(7), one Fe(7), and one B(8) atom. is represented by the CIF card [CIF]
data_Li8MnFe7(BO3)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.240
_cell_length_b   9.016
_cell_length_c   11.117
_cell_angle_alpha   107.812
_cell_angle_beta   90.760
_cell_angle_gamma   90.811
_symmetry_Int_Tables_number   1
_cell_volume   499.888
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Li  Li0  1  0.848  0.381  0.164  1.0
  Li  Li1  1  0.153  0.118  0.338  1.0
  Li  Li2  1  0.346  0.883  0.161  1.0
  Li  Li3  1  0.653  0.617  0.340  1.0
  Li  Li4  1  0.347  0.382  0.661  1.0
  Li  Li5  1  0.653  0.118  0.838  1.0
  Li  Li6  1  0.846  0.882  0.661  1.0
  Li  Li7  1  0.153  0.617  0.837  1.0
  Mn  Mn8  1  0.830  0.698  0.117  1.0
  Fe  Fe9  1  0.336  0.201  0.117  1.0
  Fe  Fe10  1  0.663  0.300  0.382  1.0
  Fe  Fe11  1  0.837  0.201  0.617  1.0
  Fe  Fe12  1  0.169  0.803  0.381  1.0
  Fe  Fe13  1  0.328  0.701  0.616  1.0
  Fe  Fe14  1  0.163  0.300  0.882  1.0
  Fe  Fe15  1  0.662  0.800  0.879  1.0
  B  B16  1  0.828  0.037  0.129  1.0
  B  B17  1  0.331  0.535  0.131  1.0
  B  B18  1  0.170  0.464  0.372  1.0
  B  B19  1  0.331  0.037  0.630  1.0
  B  B20  1  0.673  0.964  0.372  1.0
  B  B21  1  0.830  0.537  0.630  1.0
  B  B22  1  0.670  0.463  0.869  1.0
  B  B23  1  0.170  0.964  0.870  1.0
  O  O24  1  0.088  0.032  0.148  1.0
  O  O25  1  0.704  0.180  0.158  1.0
  O  O26  1  0.182  0.397  0.089  1.0
  O  O27  1  0.591  0.527  0.149  1.0
  O  O28  1  0.818  0.103  0.411  1.0
  O  O29  1  0.294  0.321  0.344  1.0
  O  O30  1  0.212  0.679  0.160  1.0
  O  O31  1  0.681  0.899  0.086  1.0
  O  O32  1  0.910  0.468  0.354  1.0
  O  O33  1  0.591  0.033  0.647  1.0
  O  O34  1  0.317  0.602  0.412  1.0
  O  O35  1  0.796  0.821  0.345  1.0
  O  O36  1  0.205  0.179  0.657  1.0
  O  O37  1  0.684  0.397  0.589  1.0
  O  O38  1  0.413  0.967  0.353  1.0
  O  O39  1  0.091  0.531  0.647  1.0
  O  O40  1  0.317  0.103  0.911  1.0
  O  O41  1  0.795  0.321  0.843  1.0
  O  O42  1  0.705  0.678  0.658  1.0
  O  O43  1  0.185  0.898  0.589  1.0
  O  O44  1  0.410  0.467  0.852  1.0
  O  O45  1  0.817  0.602  0.909  1.0
  O  O46  1  0.292  0.821  0.843  1.0
  O  O47  1  0.909  0.969  0.852  1.0
[/CIF]
.
The crystal structure described by Li8MnFe7(BO3)8 crystallizes in the triclinic P1 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(2), one O(3), one O(4), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Fe(6)O5 trigonal bipyramid, corners with two equivalent Fe(1)O5 trigonal bipyramids,  an edgeedge with one Fe(2)O5 trigonal bipyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. In the second Li site, Li(2) is bonded to one O(1), one O(15), one O(5), and one O(6) atom to form LiO4 tetrahedra that share  a cornercorner with one Fe(3)O5 trigonal bipyramid,  a cornercorner with one Fe(4)O5 trigonal bipyramid, corners with two equivalent Fe(2)O5 trigonal bipyramids,  an edgeedge with one Fe(1)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the third Li site, Li(3) is bonded to one O(1), one O(15), one O(7), and one O(8) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(1)O5 trigonal bipyramid,  a cornercorner with one Fe(7)O5 trigonal bipyramid, corners with two equivalent Mn(1)O5 trigonal bipyramids,  an edgeedge with one Li(2)O4 tetrahedra, and  an edgeedge with one Fe(4)O5 trigonal bipyramid. In the fourth Li site, Li(4) is bonded to one O(11), one O(12), one O(4), and one O(9) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(2)O5 trigonal bipyramid,  a cornercorner with one Fe(5)O5 trigonal bipyramid, corners with two equivalent Fe(4)O5 trigonal bipyramids,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one Mn(1)O5 trigonal bipyramid. In the fifth Li site, Li(5) is bonded to one O(13), one O(14), one O(16), and one O(21) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(2)O5 trigonal bipyramid,  a cornercorner with one Fe(5)O5 trigonal bipyramid, corners with two equivalent Fe(3)O5 trigonal bipyramids,  an edgeedge with one Fe(6)O5 trigonal bipyramid, and  an edgeedge with one Li(8)O4 trigonal pyramid. In the sixth Li site, Li(6) is bonded to one O(10), one O(17), one O(18), and one O(24) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(1)O5 trigonal bipyramid,  a cornercorner with one Fe(7)O5 trigonal bipyramid, corners with two equivalent Fe(6)O5 trigonal bipyramids,  an edgeedge with one Fe(3)O5 trigonal bipyramid, and  an edgeedge with one Li(7)O4 trigonal pyramid. In the seventh Li site, Li(7) is bonded to one O(10), one O(19), one O(20), and one O(24) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Fe(3)O5 trigonal bipyramid,  a cornercorner with one Fe(4)O5 trigonal bipyramid, corners with two equivalent Fe(5)O5 trigonal bipyramids,  an edgeedge with one Fe(7)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O4 trigonal pyramid. In the eighth Li site, Li(8) is bonded to one O(16), one O(21), one O(22), and one O(23) atom to form LiO4 trigonal pyramids that share  a cornercorner with one Mn(1)O5 trigonal bipyramid,  a cornercorner with one Fe(6)O5 trigonal bipyramid, corners with two equivalent Fe(7)O5 trigonal bipyramids,  an edgeedge with one Fe(5)O5 trigonal bipyramid, and  an edgeedge with one Li(5)O4 trigonal pyramid. Mn(1) is bonded to one O(12), one O(22), one O(4), one O(7), and one O(8) atom to form distorted MnO5 trigonal bipyramids that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, corners with two equivalent Li(3)O4 trigonal pyramids,  an edgeedge with one Fe(4)O5 trigonal bipyramid,  an edgeedge with one Fe(7)O5 trigonal bipyramid, and  an edgeedge with one Li(4)O4 trigonal pyramid. There are seven inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(17), one O(2), one O(3), and one O(6) atom to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 trigonal pyramid,  a cornercorner with one Li(6)O4 trigonal pyramid,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Fe(2)O5 trigonal bipyramid, and  an edgeedge with one Fe(6)O5 trigonal bipyramid. In the second Fe site, Fe(2) is bonded to one O(14), one O(2), one O(5), one O(6), and one O(9) atom to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 trigonal pyramid,  a cornercorner with one Li(5)O4 trigonal pyramid,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Fe(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(3)O5 trigonal bipyramid. In the third Fe site, Fe(3) is bonded to one O(10), one O(13), one O(14), one O(18), and one O(5) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 trigonal pyramid, corners with two equivalent Li(5)O4 trigonal pyramids,  an edgeedge with one Fe(2)O5 trigonal bipyramid,  an edgeedge with one Fe(6)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O4 trigonal pyramid. In the fourth Fe site, Fe(4) is bonded to one O(11), one O(12), one O(15), one O(20), and one O(7) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 trigonal pyramid, corners with two equivalent Li(4)O4 trigonal pyramids,  an edgeedge with one Mn(1)O5 trigonal bipyramid,  an edgeedge with one Fe(5)O5 trigonal bipyramid, and  an edgeedge with one Li(3)O4 trigonal pyramid. In the fifth Fe site, Fe(5) is bonded to one O(11), one O(16), one O(19), one O(20), and one O(23) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one Li(4)O4 trigonal pyramid,  a cornercorner with one Li(5)O4 trigonal pyramid, corners with two equivalent Li(7)O4 trigonal pyramids,  an edgeedge with one Fe(4)O5 trigonal bipyramid,  an edgeedge with one Fe(7)O5 trigonal bipyramid, and  an edgeedge with one Li(8)O4 trigonal pyramid. In the sixth Fe site, Fe(6) is bonded to one O(13), one O(17), one O(18), one O(21), and one O(3) atom to form distorted FeO5 trigonal bipyramids that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, corners with two equivalent Li(6)O4 trigonal pyramids,  an edgeedge with one Fe(1)O5 trigonal bipyramid,  an edgeedge with one Fe(3)O5 trigonal bipyramid, and  an edgeedge with one Li(5)O4 trigonal pyramid. In the seventh Fe site, Fe(7) is bonded to one O(19), one O(22), one O(23), one O(24), and one O(8) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(3)O4 trigonal pyramid,  a cornercorner with one Li(6)O4 trigonal pyramid, corners with two equivalent Li(8)O4 trigonal pyramids,  an edgeedge with one Mn(1)O5 trigonal bipyramid,  an edgeedge with one Fe(5)O5 trigonal bipyramid, and  an edgeedge with one Li(7)O4 trigonal pyramid. There are eight inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(8) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(7) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(11), one O(6), and one O(9) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(10), one O(13), and one O(20) atom. In the fifth B site, B(5) is bonded in a trigonal planar geometry to one O(12), one O(15), and one O(5) atom. In the sixth B site, B(6) is bonded in a trigonal planar geometry to one O(14), one O(16), and one O(19) atom. In the seventh B site, B(7) is bonded in a trigonal planar geometry to one O(18), one O(21), and one O(22) atom. In the eighth B site, B(8) is bonded in a trigonal planar geometry to one O(17), one O(23), and one O(24) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(3), one Fe(1), and one B(1) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Li(1), one Fe(1), one Fe(2), and one B(1) atom. In the third O site, O(3) is bonded to one Li(1), one Fe(1), one Fe(6), and one B(2) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(4), one Mn(1), and one B(2) atom. In the fifth O site, O(5) is bonded to one Li(2), one Fe(2), one Fe(3), and one B(5) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(2), one Fe(1), one Fe(2), and one B(3) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Li(3), one Mn(1), one Fe(4), and one B(2) atom. In the eighth O site, O(8) is bonded to one Li(3), one Mn(1), one Fe(7), and one B(1) atom to form distorted edge-sharing OLiMnFeB tetrahedra. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(4), one Fe(2), and one B(3) atom. In the tenth O site, O(10) is bonded in a distorted rectangular see-saw-like geometry to one Li(6), one Li(7), one Fe(3), and one B(4) atom. In the eleventh O site, O(11) is bonded to one Li(4), one Fe(4), one Fe(5), and one B(3) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Li(4), one Mn(1), one Fe(4), and one B(5) atom. In the thirteenth O site, O(13) is bonded in a 4-coordinate geometry to one Li(5), one Fe(3), one Fe(6), and one B(4) atom. In the fourteenth O site, O(14) is bonded to one Li(5), one Fe(2), one Fe(3), and one B(6) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the fifteenth O site, O(15) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(3), one Fe(4), and one B(5) atom. In the sixteenth O site, O(16) is bonded in a distorted rectangular see-saw-like geometry to one Li(5), one Li(8), one Fe(5), and one B(6) atom. In the seventeenth O site, O(17) is bonded to one Li(6), one Fe(1), one Fe(6), and one B(8) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the eighteenth O site, O(18) is bonded in a 4-coordinate geometry to one Li(6), one Fe(3), one Fe(6), and one B(7) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Li(7), one Fe(5), one Fe(7), and one B(6) atom. In the twentieth O site, O(20) is bonded to one Li(7), one Fe(4), one Fe(5), and one B(4) atom to form distorted edge-sharing OLiFe2B tetrahedra. In the twenty-first O site, O(21) is bonded in a distorted rectangular see-saw-like geometry to one Li(5), one Li(8), one Fe(6), and one B(7) atom. In the twenty-second O site, O(22) is bonded to one Li(8), one Mn(1), one Fe(7), and one B(7) atom to form distorted edge-sharing OLiMnFeB tetrahedra. In the twenty-third O site, O(23) is bonded in a 4-coordinate geometry to one Li(8), one Fe(5), one Fe(7), and one B(8) atom. In the twenty-fourth O site, O(24) is bonded in a distorted rectangular see-saw-like geometry to one Li(6), one Li(7), one Fe(7), and one B(8) atom. is represented by the CIF card [CIF]
data_Li8MnFe7(BO3)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.240
_cell_length_b   9.016
_cell_length_c   11.117
_cell_angle_alpha   107.812
_cell_angle_beta   90.760
_cell_angle_gamma   90.811
_symmetry_Int_Tables_number   1
_cell_volume   499.888
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Li  Li0  1  0.848  0.381  0.164  1.0
  Li  Li1  1  0.153  0.118  0.338  1.0
  Li  Li2  1  0.346  0.883  0.161  1.0
  Li  Li3  1  0.653  0.617  0.340  1.0
  Li  Li4  1  0.347  0.382  0.661  1.0
  Li  Li5  1  0.653  0.118  0.838  1.0
  Li  Li6  1  0.846  0.882  0.661  1.0
  Li  Li7  1  0.153  0.617  0.837  1.0
  Mn  Mn8  1  0.830  0.698  0.117  1.0
  Fe  Fe9  1  0.336  0.201  0.117  1.0
  Fe  Fe10  1  0.663  0.300  0.382  1.0
  Fe  Fe11  1  0.837  0.201  0.617  1.0
  Fe  Fe12  1  0.169  0.803  0.381  1.0
  Fe  Fe13  1  0.328  0.701  0.616  1.0
  Fe  Fe14  1  0.163  0.300  0.882  1.0
  Fe  Fe15  1  0.662  0.800  0.879  1.0
  B  B16  1  0.828  0.037  0.129  1.0
  B  B17  1  0.331  0.535  0.131  1.0
  B  B18  1  0.170  0.464  0.372  1.0
  B  B19  1  0.331  0.037  0.630  1.0
  B  B20  1  0.673  0.964  0.372  1.0
  B  B21  1  0.830  0.537  0.630  1.0
  B  B22  1  0.670  0.463  0.869  1.0
  B  B23  1  0.170  0.964  0.870  1.0
  O  O24  1  0.088  0.032  0.148  1.0
  O  O25  1  0.704  0.180  0.158  1.0
  O  O26  1  0.182  0.397  0.089  1.0
  O  O27  1  0.591  0.527  0.149  1.0
  O  O28  1  0.818  0.103  0.411  1.0
  O  O29  1  0.294  0.321  0.344  1.0
  O  O30  1  0.212  0.679  0.160  1.0
  O  O31  1  0.681  0.899  0.086  1.0
  O  O32  1  0.910  0.468  0.354  1.0
  O  O33  1  0.591  0.033  0.647  1.0
  O  O34  1  0.317  0.602  0.412  1.0
  O  O35  1  0.796  0.821  0.345  1.0
  O  O36  1  0.205  0.179  0.657  1.0
  O  O37  1  0.684  0.397  0.589  1.0
  O  O38  1  0.413  0.967  0.353  1.0
  O  O39  1  0.091  0.531  0.647  1.0
  O  O40  1  0.317  0.103  0.911  1.0
  O  O41  1  0.795  0.321  0.843  1.0
  O  O42  1  0.705  0.678  0.658  1.0
  O  O43  1  0.185  0.898  0.589  1.0
  O  O44  1  0.410  0.467  0.852  1.0
  O  O45  1  0.817  0.602  0.909  1.0
  O  O46  1  0.292  0.821  0.843  1.0
  O  O47  1  0.909  0.969  0.852  1.0
[/CIF]
.