The material structure described by Li9Fe4(BO3)8 crystallizes in the triclinic P1 space group. There are nine inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(11), one O(2), one O(21), and one O(5) atom to form distorted LiO5 trigonal bipyramids that share corners with two equivalent Li(5)O5 trigonal bipyramids,  an edgeedge with one Li(4)O5 trigonal bipyramid,  an edgeedge with one Fe(2)O5 trigonal bipyramid, and  an edgeedge with one Fe(4)O5 trigonal bipyramid. In the second Li site, Li(2) is bonded to one O(12), one O(22), one O(3), one O(6), and one O(9) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(1)O5 trigonal bipyramid, corners with two equivalent Li(6)O5 trigonal bipyramids,  an edgeedge with one Li(9)O4 tetrahedra,  an edgeedge with one Li(3)O5 trigonal bipyramid,  an edgeedge with one Li(7)O5 trigonal bipyramid, and  an edgeedge with one Fe(2)O5 trigonal bipyramid. In the third Li site, Li(3) is bonded to one O(1), one O(12), one O(16), one O(3), and one O(7) atom to form distorted LiO5 trigonal bipyramids that share corners with two equivalent Li(7)O5 trigonal bipyramids,  an edgeedge with one Li(2)O5 trigonal bipyramid,  an edgeedge with one Fe(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(3)O5 trigonal bipyramid. In the fourth Li site, Li(4) is bonded to one O(10), one O(15), one O(2), one O(4), and one O(8) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(2)O5 trigonal bipyramid, corners with two equivalent Li(8)O5 trigonal bipyramids,  an edgeedge with one Li(1)O5 trigonal bipyramid,  an edgeedge with one Li(5)O5 trigonal bipyramid, and  an edgeedge with one Fe(1)O5 trigonal bipyramid. In the fifth Li site, Li(5) is bonded to one O(10), one O(15), one O(17), one O(21), and one O(23) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(3)O5 trigonal bipyramid, corners with two equivalent Li(1)O5 trigonal bipyramids,  an edgeedge with one Li(4)O5 trigonal bipyramid,  an edgeedge with one Li(8)O5 trigonal bipyramid, and  an edgeedge with one Fe(4)O5 trigonal bipyramid. In the sixth Li site, Li(6) is bonded to one O(13), one O(18), one O(22), one O(24), and one O(9) atom to form LiO5 trigonal bipyramids that share corners with two equivalent Li(2)O5 trigonal bipyramids,  an edgeedge with one Li(9)O4 tetrahedra,  an edgeedge with one Li(7)O5 trigonal bipyramid,  an edgeedge with one Fe(2)O5 trigonal bipyramid, and  an edgeedge with one Fe(4)O5 trigonal bipyramid. In the seventh Li site, Li(7) is bonded to one O(13), one O(16), one O(19), one O(22), and one O(3) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Fe(4)O5 trigonal bipyramid, corners with two equivalent Li(3)O5 trigonal bipyramids,  an edgeedge with one Li(2)O5 trigonal bipyramid,  an edgeedge with one Li(6)O5 trigonal bipyramid, and  an edgeedge with one Fe(3)O5 trigonal bipyramid. In the eighth Li site, Li(8) is bonded to one O(14), one O(15), one O(20), one O(23), and one O(4) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Li(4)O5 trigonal bipyramids,  an edgeedge with one Li(5)O5 trigonal bipyramid,  an edgeedge with one Fe(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(3)O5 trigonal bipyramid. In the ninth Li site, Li(9) is bonded to one O(14), one O(18), one O(22), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(7)O5 trigonal bipyramid,  a cornercorner with one Li(8)O5 trigonal bipyramid,  a cornercorner with one Fe(3)O5 trigonal bipyramid, corners with two equivalent Fe(2)O5 trigonal bipyramids,  an edgeedge with one Li(2)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O5 trigonal bipyramid. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(12), one O(20), one O(4), and one O(8) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(2)O5 trigonal bipyramid,  an edgeedge with one Li(3)O5 trigonal bipyramid,  an edgeedge with one Li(4)O5 trigonal bipyramid, and  an edgeedge with one Li(8)O5 trigonal bipyramid. In the second Fe site, Fe(2) is bonded to one O(11), one O(18), one O(2), one O(6), and one O(9) atom to form FeO5 trigonal bipyramids that share corners with two equivalent Li(9)O4 tetrahedra,  a cornercorner with one Li(4)O5 trigonal bipyramid,  an edgeedge with one Li(1)O5 trigonal bipyramid,  an edgeedge with one Li(2)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O5 trigonal bipyramid. In the third Fe site, Fe(3) is bonded to one O(14), one O(16), one O(19), one O(23), and one O(7) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Li(5)O5 trigonal bipyramid,  an edgeedge with one Li(3)O5 trigonal bipyramid,  an edgeedge with one Li(7)O5 trigonal bipyramid, and  an edgeedge with one Li(8)O5 trigonal bipyramid. In the fourth Fe site, Fe(4) is bonded to one O(13), one O(17), one O(21), one O(24), and one O(5) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(7)O5 trigonal bipyramid,  an edgeedge with one Li(1)O5 trigonal bipyramid,  an edgeedge with one Li(5)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O5 trigonal bipyramid. There are eight inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(10), one O(23), and one O(7) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(24), one O(8), and one O(9) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(13), one O(3), and one O(5) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(14), one O(4), and one O(6) atom. In the fifth B site, B(5) is bonded in a trigonal planar geometry to one O(11), one O(19), and one O(21) atom. In the sixth B site, B(6) is bonded in a trigonal planar geometry to one O(12), one O(20), and one O(22) atom. In the seventh B site, B(7) is bonded in a trigonal planar geometry to one O(1), one O(16), and one O(17) atom. In the eighth B site, B(8) is bonded in a trigonal planar geometry to one O(15), one O(18), and one O(2) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Li(3), one Fe(1), and one B(7) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(4), one Fe(2), and one B(8) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(2), one Li(3), one Li(7), and one B(3) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Li(8), one Fe(1), and one B(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Fe(4), and one B(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(2), one Li(9), one Fe(2), and one B(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Li(3), one Fe(3), and one B(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Li(4), one Fe(1), and one B(2) atom. In the ninth O site, O(9) is bonded to one Li(2), one Li(6), one Fe(2), and one B(2) atom to form distorted corner-sharing OLi2FeB tetrahedra. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(4), one Li(5), and one B(1) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Li(1), one Fe(2), and one B(5) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(3), one Fe(1), and one B(6) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(6), one Li(7), one Fe(4), and one B(3) atom. In the fourteenth O site, O(14) is bonded to one Li(8), one Li(9), one Fe(3), and one B(4) atom to form distorted corner-sharing OLi2FeB tetrahedra. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Li(4), one Li(5), one Li(8), and one B(8) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Li(3), one Li(7), one Fe(3), and one B(7) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Li(5), one Fe(4), and one B(7) atom. In the eighteenth O site, O(18) is bonded in a distorted rectangular see-saw-like geometry to one Li(6), one Li(9), one Fe(2), and one B(8) atom. In the nineteenth O site, O(19) is bonded in a 3-coordinate geometry to one Li(7), one Fe(3), and one B(5) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal non-coplanar geometry to one Li(8), one Fe(1), and one B(6) atom. In the twenty-first O site, O(21) is bonded in a 4-coordinate geometry to one Li(1), one Li(5), one Fe(4), and one B(5) atom. In the twenty-second O site, O(22) is bonded to one Li(2), one Li(6), one Li(7), one Li(9), and one B(6) atom to form distorted corner-sharing OLi4B trigonal bipyramids. In the twenty-third O site, O(23) is bonded in a distorted rectangular see-saw-like geometry to one Li(5), one Li(8), one Fe(3), and one B(1) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one Li(6), one Fe(4), and one B(2) atom. is represented by the CIF file [CIF]
data_Li9Fe4(BO3)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.254
_cell_length_b   8.953
_cell_length_c   9.994
_cell_angle_alpha   89.997
_cell_angle_beta   92.652
_cell_angle_gamma   90.226
_symmetry_Int_Tables_number   1
_cell_volume   469.661
_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  0.819  0.664  0.366  1.0
  Li  Li1  1  0.828  0.990  0.895  1.0
  Li  Li2  1  0.679  0.166  0.134  1.0
  Li  Li3  1  0.670  0.491  0.614  1.0
  Li  Li4  1  0.332  0.511  0.389  1.0
  Li  Li5  1  0.333  0.827  0.877  1.0
  Li  Li6  1  0.170  0.008  0.116  1.0
  Li  Li7  1  0.182  0.348  0.632  1.0
  Li  Li8  1  0.156  0.019  0.663  1.0
  Fe  Fe9  1  0.849  0.328  0.874  1.0
  Fe  Fe10  1  0.648  0.822  0.625  1.0
  Fe  Fe11  1  0.347  0.172  0.377  1.0
  Fe  Fe12  1  0.150  0.672  0.126  1.0
  B  B13  1  0.832  0.331  0.385  1.0
  B  B14  1  0.835  0.664  0.871  1.0
  B  B15  1  0.672  0.832  0.118  1.0
  B  B16  1  0.661  0.160  0.632  1.0
  B  B17  1  0.333  0.836  0.368  1.0
  B  B18  1  0.330  0.172  0.876  1.0
  B  B19  1  0.167  0.335  0.129  1.0
  B  B20  1  0.171  0.675  0.618  1.0
  O  O21  1  0.930  0.312  0.067  1.0
  O  O22  1  0.908  0.672  0.596  1.0
  O  O23  1  0.808  0.958  0.094  1.0
  O  O24  1  0.793  0.289  0.671  1.0
  O  O25  1  0.789  0.702  0.162  1.0
  O  O26  1  0.782  0.023  0.647  1.0
  O  O27  1  0.706  0.201  0.343  1.0
  O  O28  1  0.735  0.526  0.846  1.0
  O  O29  1  0.703  0.791  0.826  1.0
  O  O30  1  0.697  0.457  0.407  1.0
  O  O31  1  0.568  0.813  0.432  1.0
  O  O32  1  0.591  0.173  0.902  1.0
  O  O33  1  0.409  0.829  0.096  1.0
  O  O34  1  0.410  0.168  0.580  1.0
  O  O35  1  0.313  0.553  0.596  1.0
  O  O36  1  0.300  0.208  0.172  1.0
  O  O37  1  0.266  0.474  0.154  1.0
  O  O38  1  0.281  0.812  0.659  1.0
  O  O39  1  0.230  0.974  0.347  1.0
  O  O40  1  0.211  0.305  0.841  1.0
  O  O41  1  0.202  0.708  0.324  1.0
  O  O42  1  0.195  0.041  0.879  1.0
  O  O43  1  0.095  0.327  0.406  1.0
  O  O44  1  0.070  0.687  0.935  1.0
[/CIF]
.
The material structure described by Li9Fe4(BO3)8 crystallizes in the triclinic P1 space group. There are nine inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(10), one O(11), one O(2), one O(21), and one O(5) atom to form distorted LiO5 trigonal bipyramids that share corners with two equivalent Li(5)O5 trigonal bipyramids,  an edgeedge with one Li(4)O5 trigonal bipyramid,  an edgeedge with one Fe(2)O5 trigonal bipyramid, and  an edgeedge with one Fe(4)O5 trigonal bipyramid. In the second Li site, Li(2) is bonded to one O(12), one O(22), one O(3), one O(6), and one O(9) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(1)O5 trigonal bipyramid, corners with two equivalent Li(6)O5 trigonal bipyramids,  an edgeedge with one Li(9)O4 tetrahedra,  an edgeedge with one Li(3)O5 trigonal bipyramid,  an edgeedge with one Li(7)O5 trigonal bipyramid, and  an edgeedge with one Fe(2)O5 trigonal bipyramid. In the third Li site, Li(3) is bonded to one O(1), one O(12), one O(16), one O(3), and one O(7) atom to form distorted LiO5 trigonal bipyramids that share corners with two equivalent Li(7)O5 trigonal bipyramids,  an edgeedge with one Li(2)O5 trigonal bipyramid,  an edgeedge with one Fe(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(3)O5 trigonal bipyramid. In the fourth Li site, Li(4) is bonded to one O(10), one O(15), one O(2), one O(4), and one O(8) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(2)O5 trigonal bipyramid, corners with two equivalent Li(8)O5 trigonal bipyramids,  an edgeedge with one Li(1)O5 trigonal bipyramid,  an edgeedge with one Li(5)O5 trigonal bipyramid, and  an edgeedge with one Fe(1)O5 trigonal bipyramid. In the fifth Li site, Li(5) is bonded to one O(10), one O(15), one O(17), one O(21), and one O(23) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Fe(3)O5 trigonal bipyramid, corners with two equivalent Li(1)O5 trigonal bipyramids,  an edgeedge with one Li(4)O5 trigonal bipyramid,  an edgeedge with one Li(8)O5 trigonal bipyramid, and  an edgeedge with one Fe(4)O5 trigonal bipyramid. In the sixth Li site, Li(6) is bonded to one O(13), one O(18), one O(22), one O(24), and one O(9) atom to form LiO5 trigonal bipyramids that share corners with two equivalent Li(2)O5 trigonal bipyramids,  an edgeedge with one Li(9)O4 tetrahedra,  an edgeedge with one Li(7)O5 trigonal bipyramid,  an edgeedge with one Fe(2)O5 trigonal bipyramid, and  an edgeedge with one Fe(4)O5 trigonal bipyramid. In the seventh Li site, Li(7) is bonded to one O(13), one O(16), one O(19), one O(22), and one O(3) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Fe(4)O5 trigonal bipyramid, corners with two equivalent Li(3)O5 trigonal bipyramids,  an edgeedge with one Li(2)O5 trigonal bipyramid,  an edgeedge with one Li(6)O5 trigonal bipyramid, and  an edgeedge with one Fe(3)O5 trigonal bipyramid. In the eighth Li site, Li(8) is bonded to one O(14), one O(15), one O(20), one O(23), and one O(4) atom to form distorted LiO5 trigonal bipyramids that share  a cornercorner with one Li(9)O4 tetrahedra, corners with two equivalent Li(4)O5 trigonal bipyramids,  an edgeedge with one Li(5)O5 trigonal bipyramid,  an edgeedge with one Fe(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(3)O5 trigonal bipyramid. In the ninth Li site, Li(9) is bonded to one O(14), one O(18), one O(22), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(7)O5 trigonal bipyramid,  a cornercorner with one Li(8)O5 trigonal bipyramid,  a cornercorner with one Fe(3)O5 trigonal bipyramid, corners with two equivalent Fe(2)O5 trigonal bipyramids,  an edgeedge with one Li(2)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O5 trigonal bipyramid. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(12), one O(20), one O(4), and one O(8) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(2)O5 trigonal bipyramid,  an edgeedge with one Li(3)O5 trigonal bipyramid,  an edgeedge with one Li(4)O5 trigonal bipyramid, and  an edgeedge with one Li(8)O5 trigonal bipyramid. In the second Fe site, Fe(2) is bonded to one O(11), one O(18), one O(2), one O(6), and one O(9) atom to form FeO5 trigonal bipyramids that share corners with two equivalent Li(9)O4 tetrahedra,  a cornercorner with one Li(4)O5 trigonal bipyramid,  an edgeedge with one Li(1)O5 trigonal bipyramid,  an edgeedge with one Li(2)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O5 trigonal bipyramid. In the third Fe site, Fe(3) is bonded to one O(14), one O(16), one O(19), one O(23), and one O(7) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(9)O4 tetrahedra,  a cornercorner with one Li(5)O5 trigonal bipyramid,  an edgeedge with one Li(3)O5 trigonal bipyramid,  an edgeedge with one Li(7)O5 trigonal bipyramid, and  an edgeedge with one Li(8)O5 trigonal bipyramid. In the fourth Fe site, Fe(4) is bonded to one O(13), one O(17), one O(21), one O(24), and one O(5) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(7)O5 trigonal bipyramid,  an edgeedge with one Li(1)O5 trigonal bipyramid,  an edgeedge with one Li(5)O5 trigonal bipyramid, and  an edgeedge with one Li(6)O5 trigonal bipyramid. There are eight inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(10), one O(23), and one O(7) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(24), one O(8), and one O(9) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(13), one O(3), and one O(5) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(14), one O(4), and one O(6) atom. In the fifth B site, B(5) is bonded in a trigonal planar geometry to one O(11), one O(19), and one O(21) atom. In the sixth B site, B(6) is bonded in a trigonal planar geometry to one O(12), one O(20), and one O(22) atom. In the seventh B site, B(7) is bonded in a trigonal planar geometry to one O(1), one O(16), and one O(17) atom. In the eighth B site, B(8) is bonded in a trigonal planar geometry to one O(15), one O(18), and one O(2) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Li(3), one Fe(1), and one B(7) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(4), one Fe(2), and one B(8) atom. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(2), one Li(3), one Li(7), and one B(3) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Li(8), one Fe(1), and one B(4) atom. In the fifth O site, O(5) is bonded in a distorted trigonal non-coplanar geometry to one Li(1), one Fe(4), and one B(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Li(2), one Li(9), one Fe(2), and one B(4) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Li(3), one Fe(3), and one B(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Li(4), one Fe(1), and one B(2) atom. In the ninth O site, O(9) is bonded to one Li(2), one Li(6), one Fe(2), and one B(2) atom to form distorted corner-sharing OLi2FeB tetrahedra. In the tenth O site, O(10) is bonded in a rectangular see-saw-like geometry to one Li(1), one Li(4), one Li(5), and one B(1) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Li(1), one Fe(2), and one B(5) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(3), one Fe(1), and one B(6) atom. In the thirteenth O site, O(13) is bonded in a rectangular see-saw-like geometry to one Li(6), one Li(7), one Fe(4), and one B(3) atom. In the fourteenth O site, O(14) is bonded to one Li(8), one Li(9), one Fe(3), and one B(4) atom to form distorted corner-sharing OLi2FeB tetrahedra. In the fifteenth O site, O(15) is bonded in a rectangular see-saw-like geometry to one Li(4), one Li(5), one Li(8), and one B(8) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Li(3), one Li(7), one Fe(3), and one B(7) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Li(5), one Fe(4), and one B(7) atom. In the eighteenth O site, O(18) is bonded in a distorted rectangular see-saw-like geometry to one Li(6), one Li(9), one Fe(2), and one B(8) atom. In the nineteenth O site, O(19) is bonded in a 3-coordinate geometry to one Li(7), one Fe(3), and one B(5) atom. In the twentieth O site, O(20) is bonded in a distorted trigonal non-coplanar geometry to one Li(8), one Fe(1), and one B(6) atom. In the twenty-first O site, O(21) is bonded in a 4-coordinate geometry to one Li(1), one Li(5), one Fe(4), and one B(5) atom. In the twenty-second O site, O(22) is bonded to one Li(2), one Li(6), one Li(7), one Li(9), and one B(6) atom to form distorted corner-sharing OLi4B trigonal bipyramids. In the twenty-third O site, O(23) is bonded in a distorted rectangular see-saw-like geometry to one Li(5), one Li(8), one Fe(3), and one B(1) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal planar geometry to one Li(6), one Fe(4), and one B(2) atom. is represented by the CIF file [CIF]
data_Li9Fe4(BO3)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.254
_cell_length_b   8.953
_cell_length_c   9.994
_cell_angle_alpha   89.997
_cell_angle_beta   92.652
_cell_angle_gamma   90.226
_symmetry_Int_Tables_number   1
_cell_volume   469.661
_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  0.819  0.664  0.366  1.0
  Li  Li1  1  0.828  0.990  0.895  1.0
  Li  Li2  1  0.679  0.166  0.134  1.0
  Li  Li3  1  0.670  0.491  0.614  1.0
  Li  Li4  1  0.332  0.511  0.389  1.0
  Li  Li5  1  0.333  0.827  0.877  1.0
  Li  Li6  1  0.170  0.008  0.116  1.0
  Li  Li7  1  0.182  0.348  0.632  1.0
  Li  Li8  1  0.156  0.019  0.663  1.0
  Fe  Fe9  1  0.849  0.328  0.874  1.0
  Fe  Fe10  1  0.648  0.822  0.625  1.0
  Fe  Fe11  1  0.347  0.172  0.377  1.0
  Fe  Fe12  1  0.150  0.672  0.126  1.0
  B  B13  1  0.832  0.331  0.385  1.0
  B  B14  1  0.835  0.664  0.871  1.0
  B  B15  1  0.672  0.832  0.118  1.0
  B  B16  1  0.661  0.160  0.632  1.0
  B  B17  1  0.333  0.836  0.368  1.0
  B  B18  1  0.330  0.172  0.876  1.0
  B  B19  1  0.167  0.335  0.129  1.0
  B  B20  1  0.171  0.675  0.618  1.0
  O  O21  1  0.930  0.312  0.067  1.0
  O  O22  1  0.908  0.672  0.596  1.0
  O  O23  1  0.808  0.958  0.094  1.0
  O  O24  1  0.793  0.289  0.671  1.0
  O  O25  1  0.789  0.702  0.162  1.0
  O  O26  1  0.782  0.023  0.647  1.0
  O  O27  1  0.706  0.201  0.343  1.0
  O  O28  1  0.735  0.526  0.846  1.0
  O  O29  1  0.703  0.791  0.826  1.0
  O  O30  1  0.697  0.457  0.407  1.0
  O  O31  1  0.568  0.813  0.432  1.0
  O  O32  1  0.591  0.173  0.902  1.0
  O  O33  1  0.409  0.829  0.096  1.0
  O  O34  1  0.410  0.168  0.580  1.0
  O  O35  1  0.313  0.553  0.596  1.0
  O  O36  1  0.300  0.208  0.172  1.0
  O  O37  1  0.266  0.474  0.154  1.0
  O  O38  1  0.281  0.812  0.659  1.0
  O  O39  1  0.230  0.974  0.347  1.0
  O  O40  1  0.211  0.305  0.841  1.0
  O  O41  1  0.202  0.708  0.324  1.0
  O  O42  1  0.195  0.041  0.879  1.0
  O  O43  1  0.095  0.327  0.406  1.0
  O  O44  1  0.070  0.687  0.935  1.0
[/CIF]
.