The compound described by Li3Eu2(BO3)3 crystallizes in the monoclinic P2_1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(6), and one O(9) atom. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(5), and one O(9) atom. In the third Li site, Li(3) is bonded in a distorted trigonal planar geometry to one O(5), one O(7), and one O(9) atom. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded to one O(3), one O(5), one O(7), and one O(8) atom to form distorted corner-sharing EuO4 tetrahedra. In the second Eu site, Eu(2) is bonded to one O(1), one O(6), one O(7), and one O(8) atom to form corner-sharing EuO4 tetrahedra. There are three 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(3) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(2), one O(4), and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a distorted see-saw-like geometry to one Li(1), one Li(2), one Li(3), and one B(3) atom. In the second O site, O(1) is bonded in a 1-coordinate geometry to one Li(1), one Li(2), one Eu(2), and one B(1) atom. In the third O site, O(2) is bonded in a 3-coordinate geometry to one Li(2), one B(1), and one B(3) atom. In the fourth O site, O(3) is bonded in a 3-coordinate geometry to one Li(1), one Eu(1), and one B(1) atom. In the fifth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one B(2) and one B(3) atom. In the sixth O site, O(5) is bonded in a distorted tetrahedral geometry to one Li(2), one Li(3), one Eu(1), and one B(2) atom. In the seventh O site, O(6) is bonded in a 3-coordinate geometry to one Li(1), one Eu(2), and one B(2) atom. In the eighth O site, O(7) is bonded in a trigonal planar geometry to one Li(3), one Eu(1), and one Eu(2) atom. In the ninth O site, O(8) is bonded in a bent 150 degrees geometry to one Eu(1) and one Eu(2) atom. is represented by the CIF file [CIF]
data_Li3Eu2(BO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.757
_cell_length_b   6.835
_cell_length_c   11.159
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   105.714
_symmetry_Int_Tables_number   1
_cell_volume   496.136
_cell_formula_units_Z   2
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  0.321  0.466  0.783  1.0
  Li  Li1  1  0.679  0.534  0.283  1.0
  Li  Li2  1  0.063  0.659  0.841  1.0
  Li  Li3  1  0.937  0.341  0.341  1.0
  Li  Li4  1  0.641  0.755  0.901  1.0
  Li  Li5  1  0.359  0.245  0.401  1.0
  Eu  Eu6  1  0.976  0.987  0.630  1.0
  Eu  Eu7  1  0.024  0.013  0.130  1.0
  Eu  Eu8  1  0.394  0.793  0.478  1.0
  Eu  Eu9  1  0.606  0.207  0.978  1.0
  B  B10  1  0.074  0.452  0.636  1.0
  B  B11  1  0.926  0.548  0.136  1.0
  B  B12  1  0.694  0.526  0.727  1.0
  B  B13  1  0.306  0.474  0.227  1.0
  B  B14  1  0.247  0.599  0.012  1.0
  B  B15  1  0.753  0.401  0.512  1.0
  O  O16  1  0.212  0.638  0.646  1.0
  O  O17  1  0.788  0.362  0.146  1.0
  O  O18  1  0.961  0.395  0.526  1.0
  O  O19  1  0.039  0.605  0.026  1.0
  O  O20  1  0.047  0.312  0.726  1.0
  O  O21  1  0.953  0.688  0.226  1.0
  O  O22  1  0.663  0.486  0.602  1.0
  O  O23  1  0.337  0.514  0.102  1.0
  O  O24  1  0.823  0.708  0.765  1.0
  O  O25  1  0.177  0.292  0.265  1.0
  O  O26  1  0.574  0.392  0.805  1.0
  O  O27  1  0.426  0.608  0.305  1.0
  O  O28  1  0.216  0.014  0.491  1.0
  O  O29  1  0.784  0.986  0.991  1.0
  O  O30  1  0.699  0.943  0.532  1.0
  O  O31  1  0.301  0.057  0.032  1.0
  O  O32  1  0.337  0.661  0.907  1.0
  O  O33  1  0.663  0.339  0.407  1.0
[/CIF]
.
The compound described by Li3Eu2(BO3)3 crystallizes in the monoclinic P2_1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(6), and one O(9) atom. In the second Li site, Li(2) is bonded in a 4-coordinate geometry to one O(1), one O(2), one O(5), and one O(9) atom. In the third Li site, Li(3) is bonded in a distorted trigonal planar geometry to one O(5), one O(7), and one O(9) atom. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded to one O(3), one O(5), one O(7), and one O(8) atom to form distorted corner-sharing EuO4 tetrahedra. In the second Eu site, Eu(2) is bonded to one O(1), one O(6), one O(7), and one O(8) atom to form corner-sharing EuO4 tetrahedra. There are three 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(3) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(2), one O(4), and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(9) is bonded in a distorted see-saw-like geometry to one Li(1), one Li(2), one Li(3), and one B(3) atom. In the second O site, O(1) is bonded in a 1-coordinate geometry to one Li(1), one Li(2), one Eu(2), and one B(1) atom. In the third O site, O(2) is bonded in a 3-coordinate geometry to one Li(2), one B(1), and one B(3) atom. In the fourth O site, O(3) is bonded in a 3-coordinate geometry to one Li(1), one Eu(1), and one B(1) atom. In the fifth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one B(2) and one B(3) atom. In the sixth O site, O(5) is bonded in a distorted tetrahedral geometry to one Li(2), one Li(3), one Eu(1), and one B(2) atom. In the seventh O site, O(6) is bonded in a 3-coordinate geometry to one Li(1), one Eu(2), and one B(2) atom. In the eighth O site, O(7) is bonded in a trigonal planar geometry to one Li(3), one Eu(1), and one Eu(2) atom. In the ninth O site, O(8) is bonded in a bent 150 degrees geometry to one Eu(1) and one Eu(2) atom. is represented by the CIF file [CIF]
data_Li3Eu2(BO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.757
_cell_length_b   6.835
_cell_length_c   11.159
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   105.714
_symmetry_Int_Tables_number   1
_cell_volume   496.136
_cell_formula_units_Z   2
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  0.321  0.466  0.783  1.0
  Li  Li1  1  0.679  0.534  0.283  1.0
  Li  Li2  1  0.063  0.659  0.841  1.0
  Li  Li3  1  0.937  0.341  0.341  1.0
  Li  Li4  1  0.641  0.755  0.901  1.0
  Li  Li5  1  0.359  0.245  0.401  1.0
  Eu  Eu6  1  0.976  0.987  0.630  1.0
  Eu  Eu7  1  0.024  0.013  0.130  1.0
  Eu  Eu8  1  0.394  0.793  0.478  1.0
  Eu  Eu9  1  0.606  0.207  0.978  1.0
  B  B10  1  0.074  0.452  0.636  1.0
  B  B11  1  0.926  0.548  0.136  1.0
  B  B12  1  0.694  0.526  0.727  1.0
  B  B13  1  0.306  0.474  0.227  1.0
  B  B14  1  0.247  0.599  0.012  1.0
  B  B15  1  0.753  0.401  0.512  1.0
  O  O16  1  0.212  0.638  0.646  1.0
  O  O17  1  0.788  0.362  0.146  1.0
  O  O18  1  0.961  0.395  0.526  1.0
  O  O19  1  0.039  0.605  0.026  1.0
  O  O20  1  0.047  0.312  0.726  1.0
  O  O21  1  0.953  0.688  0.226  1.0
  O  O22  1  0.663  0.486  0.602  1.0
  O  O23  1  0.337  0.514  0.102  1.0
  O  O24  1  0.823  0.708  0.765  1.0
  O  O25  1  0.177  0.292  0.265  1.0
  O  O26  1  0.574  0.392  0.805  1.0
  O  O27  1  0.426  0.608  0.305  1.0
  O  O28  1  0.216  0.014  0.491  1.0
  O  O29  1  0.784  0.986  0.991  1.0
  O  O30  1  0.699  0.943  0.532  1.0
  O  O31  1  0.301  0.057  0.032  1.0
  O  O32  1  0.337  0.661  0.907  1.0
  O  O33  1  0.663  0.339  0.407  1.0
[/CIF]
.