data_BeBBr2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.34
_cell_length_b   9.34
_cell_length_c   9.34
_cell_angle_alpha   20.93
_cell_angle_beta   20.93
_cell_angle_gamma   20.93
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BeBBr2
_chemical_formula_sum   'Be1 B1 Br2'
_cell_volume   91.03
_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
  Be  Be1  1  0.0  0.0  0.0  1.0
  B  B0  1  0.0  0.0  0.7  1.0
  Br  Br2  1  0.0  0.0  0.66  1.0
  Br  Br3  1  0.0  0.0  0.74  1.0

data_BeBBr2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.88
_cell_length_b   3.39
_cell_length_c   9.34
_cell_angle_alpha   90.0
_cell_angle_beta   102.11
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   BeBBr2
_chemical_formula_sum   'Be2 B2 Br4'
_cell_volume   182.06
_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
  Be  Be0  2  0.0  0.0  0.0  1.0
  B  B1  2  0.0  0.0  0.3  1.0
  Br  Br2  2  0.0  0.0  0.26  1.0
  Br  Br3  2  0.0  0.0  0.34  1.0

Be B Br Br
Be B Br Br 0 3 o o - 0 1 o o - 1 2 o o o 1 3 o o o 