The crystal structure described by Li9Cr4(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(1), one O(14), one O(17), and one O(2) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Cr(4)O6 octahedra, corners with two equivalent Li(6)O4 tetrahedra,  an edgeedge with one Cr(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 58-82°. In the second Li site, Li(2) is bonded to one O(14), one O(2), one O(6), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(4)O6 octahedra,  a cornercorner with one Li(5)O4 tetrahedra,  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one Li(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 33-66°. In the third Li site, Li(3) is bonded to one O(22), one O(4), one O(5), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(3)O6 octahedra, corners with two equivalent Li(4)O4 tetrahedra, and  an edgeedge with one Cr(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-76°. In the fourth Li site, Li(4) is bonded to one O(10), one O(13), one O(4), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra, corners with two equivalent Li(3)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, and  an edgeedge with one Cr(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-77°. In the fifth Li site, Li(5) is bonded to one O(11), one O(19), one O(24), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  an edgeedge with one Cr(3)O6 octahedra, and  an edgeedge with one Li(9)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 26-79°. In the sixth Li site, Li(6) is bonded to one O(1), one O(14), one O(18), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Cr(4)O6 octahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(9)O4 trigonal pyramid,  an edgeedge with one Cr(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 30-86°. In the seventh Li site, Li(7) is bonded to one O(12), one O(15), one O(16), and one O(21) atom to form LiO4 tetrahedra that share  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Cr(4)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, and  an edgeedge with one Li(8)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 28-78°. In the eighth Li site, Li(8) is bonded to one O(13), one O(15), one O(16), and one O(20) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  an edgeedge with one Cr(2)O6 octahedra, and  an edgeedge with one Li(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 40-69°. In the ninth Li site, Li(9) is bonded to one O(11), one O(18), one O(19), and one O(23) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Li(6)O4 tetrahedra,  an edgeedge with one Cr(3)O6 octahedra, and  an edgeedge with one Li(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 42-70°. There are four inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(9) atom to form distorted CrO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra, and  an edgeedge with one Li(6)O4 tetrahedra. In the second Cr site, Cr(2) is bonded to one O(11), one O(13), one O(15), one O(17), one O(20), and one O(21) atom to form CrO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid,  a cornercorner with one Li(9)O4 trigonal pyramid,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 trigonal pyramid. In the third Cr site, Cr(3) is bonded to one O(16), one O(18), one O(19), one O(22), one O(23), and one O(24) atom to form CrO6 octahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid,  a cornercorner with one Li(9)O4 trigonal pyramid,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Li(9)O4 trigonal pyramid. In the fourth Cr site, Cr(4) is bonded to one O(10), one O(12), one O(14), one O(4), one O(5), and one O(8) atom to form distorted CrO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Li(4)O4 tetrahedra. 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(20), and one O(8) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(23), one O(3), and one O(4) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(15), one O(7), and one O(9) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(11), one O(13), and one O(6) atom. In the fifth B site, B(5) is bonded in a trigonal planar geometry to one O(12), one O(14), and one O(19) atom. In the sixth B site, B(6) is bonded in a trigonal planar geometry to one O(10), one O(16), and one O(18) atom. In the seventh B site, B(7) is bonded in a trigonal planar geometry to one O(2), 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(24), and one O(5) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to one Li(1), one Li(6), one Cr(1), and one B(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(2), one Cr(1), and one B(7) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Cr(1) and one B(2) atom. In the fourth O site, O(4) is bonded to one Li(3), one Li(4), one Cr(4), and one B(2) atom to form distorted OLi2CrB trigonal pyramids that share corners with two equivalent O(9)Li2CrB tetrahedra and  a cornercorner with one O(14)Li3CrB trigonal bipyramid. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Li(3), one Cr(4), and one B(8) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(6), one Cr(1), and one B(4) atom. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Li(2), one Li(5), one Cr(1), and one B(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Cr(4) and one B(1) atom. In the ninth O site, O(9) is bonded to one Li(3), one Li(4), one Cr(1), and one B(3) atom to form distorted corner-sharing OLi2CrB tetrahedra. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Li(4), one Cr(4), and one B(6) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Li(5), one Li(9), one Cr(2), and one B(4) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Li(7), one Cr(4), and one B(5) atom. In the thirteenth O site, O(13) is bonded in a distorted see-saw-like geometry to one Li(4), one Li(8), one Cr(2), and one B(4) atom. In the fourteenth O site, O(14) is bonded to one Li(1), one Li(2), one Li(6), one Cr(4), and one B(5) atom to form distorted corner-sharing OLi3CrB trigonal bipyramids. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Li(7), one Li(8), one Cr(2), and one B(3) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Li(7), one Li(8), one Cr(3), and one B(6) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Li(1), one Cr(2), and one B(8) atom. In the eighteenth O site, O(18) is bonded in a distorted see-saw-like geometry to one Li(6), one Li(9), one Cr(3), and one B(6) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Li(5), one Li(9), one Cr(3), and one B(5) atom. In the twentieth O site, O(20) is bonded in a 3-coordinate geometry to one Li(8), one Cr(2), and one B(1) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one Li(7), one Cr(2), and one B(7) atom. In the twenty-second O site, O(22) is bonded in a trigonal planar geometry to one Li(3), one Cr(3), and one B(7) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Li(9), one Cr(3), and one B(2) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal non-coplanar geometry to one Li(5), one Cr(3), and one B(8) atom. is represented by the CIF card [CIF]
data_Li9Cr4(BO3)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.017
_cell_length_b   8.946
_cell_length_c   9.472
_cell_angle_alpha   113.691
_cell_angle_beta   90.113
_cell_angle_gamma   90.129
_symmetry_Int_Tables_number   1
_cell_volume   466.906
_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  0.291  0.130  0.930  1.0
  Li  Li1  1  0.068  0.291  0.823  1.0
  Li  Li2  1  0.252  0.146  0.416  1.0
  Li  Li3  1  0.725  0.379  0.499  1.0
  Li  Li4  1  0.252  0.614  0.988  1.0
  Li  Li5  1  0.744  0.381  0.016  1.0
  Li  Li6  1  0.242  0.610  0.487  1.0
  Li  Li7  1  0.587  0.725  0.662  1.0
  Li  Li8  1  0.912  0.726  0.159  1.0
  Cr  Cr9  1  0.535  0.228  0.719  1.0
  Cr  Cr10  1  0.038  0.764  0.780  1.0
  Cr  Cr11  1  0.458  0.768  0.280  1.0
  Cr  Cr12  1  0.969  0.229  0.219  1.0
  B  B13  1  0.720  0.050  0.924  1.0
  B  B14  1  0.783  0.053  0.422  1.0
  B  B15  1  0.348  0.456  0.692  1.0
  B  B16  1  0.842  0.539  0.806  1.0
  B  B17  1  0.156  0.454  0.188  1.0
  B  B18  1  0.654  0.542  0.307  1.0
  B  B19  1  0.222  0.949  0.583  1.0
  B  B20  1  0.278  0.948  0.080  1.0
  O  O21  1  0.603  0.171  0.900  1.0
  O  O22  1  0.258  0.103  0.704  1.0
  O  O23  1  0.723  0.090  0.577  1.0
  O  O24  1  0.902  0.174  0.401  1.0
  O  O25  1  0.227  0.097  0.197  1.0
  O  O26  1  0.785  0.392  0.813  1.0
  O  O27  1  0.336  0.421  0.824  1.0
  O  O28  1  0.780  0.088  0.078  1.0
  O  O29  1  0.438  0.322  0.569  1.0
  O  O30  1  0.727  0.399  0.305  1.0
  O  O31  1  0.956  0.658  0.928  1.0
  O  O32  1  0.157  0.421  0.318  1.0
  O  O33  1  0.816  0.572  0.677  1.0
  O  O34  1  0.071  0.321  0.058  1.0
  O  O35  1  0.295  0.601  0.688  1.0
  O  O36  1  0.538  0.662  0.427  1.0
  O  O37  1  0.236  0.924  0.931  1.0
  O  O38  1  0.671  0.586  0.180  1.0
  O  O39  1  0.206  0.603  0.188  1.0
  O  O40  1  0.768  0.902  0.814  1.0
  O  O41  1  0.126  0.824  0.605  1.0
  O  O42  1  0.297  0.934  0.437  1.0
  O  O43  1  0.731  0.904  0.312  1.0
  O  O44  1  0.366  0.826  0.117  1.0
[/CIF]
.
The crystal structure described by Li9Cr4(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(1), one O(14), one O(17), and one O(2) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Cr(4)O6 octahedra, corners with two equivalent Li(6)O4 tetrahedra,  an edgeedge with one Cr(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 58-82°. In the second Li site, Li(2) is bonded to one O(14), one O(2), one O(6), and one O(7) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(4)O6 octahedra,  a cornercorner with one Li(5)O4 tetrahedra,  an edgeedge with one Cr(1)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one Li(6)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 33-66°. In the third Li site, Li(3) is bonded to one O(22), one O(4), one O(5), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(3)O6 octahedra, corners with two equivalent Li(4)O4 tetrahedra, and  an edgeedge with one Cr(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 62-76°. In the fourth Li site, Li(4) is bonded to one O(10), one O(13), one O(4), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra, corners with two equivalent Li(3)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid, and  an edgeedge with one Cr(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 30-77°. In the fifth Li site, Li(5) is bonded to one O(11), one O(19), one O(24), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Cr(1)O6 octahedra,  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra,  an edgeedge with one Cr(3)O6 octahedra, and  an edgeedge with one Li(9)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 26-79°. In the sixth Li site, Li(6) is bonded to one O(1), one O(14), one O(18), and one O(6) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Cr(4)O6 octahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(9)O4 trigonal pyramid,  an edgeedge with one Cr(1)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 30-86°. In the seventh Li site, Li(7) is bonded to one O(12), one O(15), one O(16), and one O(21) atom to form LiO4 tetrahedra that share  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Cr(4)O6 octahedra,  an edgeedge with one Cr(2)O6 octahedra, and  an edgeedge with one Li(8)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 28-78°. In the eighth Li site, Li(8) is bonded to one O(13), one O(15), one O(16), and one O(20) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra,  an edgeedge with one Cr(2)O6 octahedra, and  an edgeedge with one Li(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 40-69°. In the ninth Li site, Li(9) is bonded to one O(11), one O(18), one O(19), and one O(23) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Cr(2)O6 octahedra,  a cornercorner with one Cr(3)O6 octahedra,  a cornercorner with one Li(6)O4 tetrahedra,  an edgeedge with one Cr(3)O6 octahedra, and  an edgeedge with one Li(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 42-70°. There are four inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(9) atom to form distorted CrO6 octahedra that share  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra, and  an edgeedge with one Li(6)O4 tetrahedra. In the second Cr site, Cr(2) is bonded to one O(11), one O(13), one O(15), one O(17), one O(20), and one O(21) atom to form CrO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid,  a cornercorner with one Li(9)O4 trigonal pyramid,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 trigonal pyramid. In the third Cr site, Cr(3) is bonded to one O(16), one O(18), one O(19), one O(22), one O(23), and one O(24) atom to form CrO6 octahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 trigonal pyramid,  a cornercorner with one Li(9)O4 trigonal pyramid,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Li(9)O4 trigonal pyramid. In the fourth Cr site, Cr(4) is bonded to one O(10), one O(12), one O(14), one O(4), one O(5), and one O(8) atom to form distorted CrO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(6)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Li(4)O4 tetrahedra. 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(20), and one O(8) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(23), one O(3), and one O(4) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(15), one O(7), and one O(9) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(11), one O(13), and one O(6) atom. In the fifth B site, B(5) is bonded in a trigonal planar geometry to one O(12), one O(14), and one O(19) atom. In the sixth B site, B(6) is bonded in a trigonal planar geometry to one O(10), one O(16), and one O(18) atom. In the seventh B site, B(7) is bonded in a trigonal planar geometry to one O(2), 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(24), and one O(5) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded in a distorted see-saw-like geometry to one Li(1), one Li(6), one Cr(1), and one B(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(2), one Cr(1), and one B(7) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Cr(1) and one B(2) atom. In the fourth O site, O(4) is bonded to one Li(3), one Li(4), one Cr(4), and one B(2) atom to form distorted OLi2CrB trigonal pyramids that share corners with two equivalent O(9)Li2CrB tetrahedra and  a cornercorner with one O(14)Li3CrB trigonal bipyramid. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Li(3), one Cr(4), and one B(8) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(6), one Cr(1), and one B(4) atom. In the seventh O site, O(7) is bonded in a distorted see-saw-like geometry to one Li(2), one Li(5), one Cr(1), and one B(3) atom. In the eighth O site, O(8) is bonded in a distorted bent 150 degrees geometry to one Cr(4) and one B(1) atom. In the ninth O site, O(9) is bonded to one Li(3), one Li(4), one Cr(1), and one B(3) atom to form distorted corner-sharing OLi2CrB tetrahedra. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Li(4), one Cr(4), and one B(6) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Li(5), one Li(9), one Cr(2), and one B(4) atom. In the twelfth O site, O(12) is bonded in a distorted T-shaped geometry to one Li(7), one Cr(4), and one B(5) atom. In the thirteenth O site, O(13) is bonded in a distorted see-saw-like geometry to one Li(4), one Li(8), one Cr(2), and one B(4) atom. In the fourteenth O site, O(14) is bonded to one Li(1), one Li(2), one Li(6), one Cr(4), and one B(5) atom to form distorted corner-sharing OLi3CrB trigonal bipyramids. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Li(7), one Li(8), one Cr(2), and one B(3) atom. In the sixteenth O site, O(16) is bonded in a 4-coordinate geometry to one Li(7), one Li(8), one Cr(3), and one B(6) atom. In the seventeenth O site, O(17) is bonded in a distorted trigonal planar geometry to one Li(1), one Cr(2), and one B(8) atom. In the eighteenth O site, O(18) is bonded in a distorted see-saw-like geometry to one Li(6), one Li(9), one Cr(3), and one B(6) atom. In the nineteenth O site, O(19) is bonded in a 4-coordinate geometry to one Li(5), one Li(9), one Cr(3), and one B(5) atom. In the twentieth O site, O(20) is bonded in a 3-coordinate geometry to one Li(8), one Cr(2), and one B(1) atom. In the twenty-first O site, O(21) is bonded in a 3-coordinate geometry to one Li(7), one Cr(2), and one B(7) atom. In the twenty-second O site, O(22) is bonded in a trigonal planar geometry to one Li(3), one Cr(3), and one B(7) atom. In the twenty-third O site, O(23) is bonded in a 3-coordinate geometry to one Li(9), one Cr(3), and one B(2) atom. In the twenty-fourth O site, O(24) is bonded in a distorted trigonal non-coplanar geometry to one Li(5), one Cr(3), and one B(8) atom. is represented by the CIF card [CIF]
data_Li9Cr4(BO3)8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.017
_cell_length_b   8.946
_cell_length_c   9.472
_cell_angle_alpha   113.691
_cell_angle_beta   90.113
_cell_angle_gamma   90.129
_symmetry_Int_Tables_number   1
_cell_volume   466.906
_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  0.291  0.130  0.930  1.0
  Li  Li1  1  0.068  0.291  0.823  1.0
  Li  Li2  1  0.252  0.146  0.416  1.0
  Li  Li3  1  0.725  0.379  0.499  1.0
  Li  Li4  1  0.252  0.614  0.988  1.0
  Li  Li5  1  0.744  0.381  0.016  1.0
  Li  Li6  1  0.242  0.610  0.487  1.0
  Li  Li7  1  0.587  0.725  0.662  1.0
  Li  Li8  1  0.912  0.726  0.159  1.0
  Cr  Cr9  1  0.535  0.228  0.719  1.0
  Cr  Cr10  1  0.038  0.764  0.780  1.0
  Cr  Cr11  1  0.458  0.768  0.280  1.0
  Cr  Cr12  1  0.969  0.229  0.219  1.0
  B  B13  1  0.720  0.050  0.924  1.0
  B  B14  1  0.783  0.053  0.422  1.0
  B  B15  1  0.348  0.456  0.692  1.0
  B  B16  1  0.842  0.539  0.806  1.0
  B  B17  1  0.156  0.454  0.188  1.0
  B  B18  1  0.654  0.542  0.307  1.0
  B  B19  1  0.222  0.949  0.583  1.0
  B  B20  1  0.278  0.948  0.080  1.0
  O  O21  1  0.603  0.171  0.900  1.0
  O  O22  1  0.258  0.103  0.704  1.0
  O  O23  1  0.723  0.090  0.577  1.0
  O  O24  1  0.902  0.174  0.401  1.0
  O  O25  1  0.227  0.097  0.197  1.0
  O  O26  1  0.785  0.392  0.813  1.0
  O  O27  1  0.336  0.421  0.824  1.0
  O  O28  1  0.780  0.088  0.078  1.0
  O  O29  1  0.438  0.322  0.569  1.0
  O  O30  1  0.727  0.399  0.305  1.0
  O  O31  1  0.956  0.658  0.928  1.0
  O  O32  1  0.157  0.421  0.318  1.0
  O  O33  1  0.816  0.572  0.677  1.0
  O  O34  1  0.071  0.321  0.058  1.0
  O  O35  1  0.295  0.601  0.688  1.0
  O  O36  1  0.538  0.662  0.427  1.0
  O  O37  1  0.236  0.924  0.931  1.0
  O  O38  1  0.671  0.586  0.180  1.0
  O  O39  1  0.206  0.603  0.188  1.0
  O  O40  1  0.768  0.902  0.814  1.0
  O  O41  1  0.126  0.824  0.605  1.0
  O  O42  1  0.297  0.934  0.437  1.0
  O  O43  1  0.731  0.904  0.312  1.0
  O  O44  1  0.366  0.826  0.117  1.0
[/CIF]
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