data_Sr2BBr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.38
_cell_length_b   4.38
_cell_length_c   6.18
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2BBr
_chemical_formula_sum   'Sr2 B1 Br1'
_cell_volume   118.62
_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
  Sr  Sr2  1  0.0  0.0  0.09  1.0
  Sr  Sr3  1  0.19  0.19  0.0  1.0
  B  B0  1  0.0  0.0  0.0  1.0
  Br  Br1  1  0.19  0.19  0.09  1.0

data_Sr2BBr
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.19
_cell_length_b   6.19
_cell_length_c   6.18
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Sr2BBr
_chemical_formula_sum   'Sr4 B2 Br2'
_cell_volume   237.24
_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
  Sr  Sr0  2  0.0  0.0  0.09  1.0
  Sr  Sr1  2  0.19  0.0  0.0  1.0
  B  B2  2  0.0  0.0  0.0  1.0
  Br  Br3  2  0.19  0.0  0.09  1.0

Sr Sr B Br