data_[Bi4Br12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Bi  2.0200  1.6000  1.0350
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.8728]
_cell_length_b [14.2451]
_cell_length_c [11.7177]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [BiBr3]
_chemical_formula_sum '[Bi4 Br12]'
_cell_volume [646.4430]
_cell_formula_units_Z [4]
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  0.2126  0.7500  1.0
  Br  Br1  8  0.0000  0.3661  0.0898  1.0
  Br  Br2  4  0.0000  0.1342  0.2500  1.0
]