data_[Bi8S8Br6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Bi  2.0200  1.6000  1.0350
  S  2.5800  1.0000  0.8800
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.9020]
_cell_length_b [9.1870]
_cell_length_c [16.1695]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Bi4S4Br3]
_chemical_formula_sum '[Bi8 S8 Br6]'
_cell_volume [579.6372]
_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
[
  Bi  Bi0  4  0.0000  0.2635  0.5000  1
  Bi  Bi1  4  0.0000  0.5000  0.2258  1
  S  S2  8  0.0000  0.1882  0.3349  1
  Br  Br3  4  0.0000  0.0000  0.1040  1
  Br  Br4  2  0.0000  0.5000  0.0000  1
]