data_[Au4Se8Br4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Au  2.5400  1.3500  1.0700
  Se  2.5500  1.1500  1.0133
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [I-42d]
_cell_length_a [8.3183]
_cell_length_b [8.3183]
_cell_length_c [5.4071]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [122]
_chemical_formula_structural [AuSe2Br]
_chemical_formula_sum '[Au4 Se8 Br4]'
_cell_volume [374.1333]
_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
[
  Au  Au0  4  0.0000  0.0000  0.0000  1
  Se  Se1  8  0.1924  0.2500  0.1250  1
  Br  Br2  4  0.0000  0.0000  0.5000  1
]