data_Y2B5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.7
_cell_length_b   8.7
_cell_length_c   8.7
_cell_angle_alpha   21.42
_cell_angle_beta   21.42
_cell_angle_gamma   21.42
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2B5
_chemical_formula_sum   'Y2 B5'
_cell_volume   77.05
_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
  Y  Y5  1  0.0  0.0  0.71  1.0
  Y  Y6  1  0.0  0.0  0.8  1.0
  B  B0  1  0.0  0.0  0.26  1.0
  B  B1  1  0.0  0.0  0.24  1.0
  B  B2  1  0.0  0.0  0.45  1.0
  B  B3  1  0.0  0.0  0.05  1.0
  B  B4  1  0.0  0.0  0.0  1.0

data_Y2B5
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.6
_cell_length_b   3.24
_cell_length_c   8.7
_cell_angle_alpha   90.0
_cell_angle_beta   102.39
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Y2B5
_chemical_formula_sum   'Y4 B10'
_cell_volume   154.11
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Y  Y0  2  0.0  0.0  0.2  1.0
  Y  Y1  2  0.0  0.0  0.29  1.0
  B  B2  2  0.0  0.0  0.0  1.0
  B  B3  2  0.0  0.0  0.55  1.0
  B  B4  2  0.0  0.0  0.74  1.0
  B  B5  2  0.0  0.0  0.76  1.0
  B  B6  2  0.0  0.0  0.95  1.0

Y Y B B B B B