data_[Sr4Au4Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Au  2.5400  1.3500  1.0700
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [I-42d]
_cell_length_a [5.3476]
_cell_length_b [5.3476]
_cell_length_c [18.6611]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [122]
_chemical_formula_structural [SrAuBr2]
_chemical_formula_sum '[Sr4 Au4 Br8]'
_cell_volume [533.6455]
_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
[
  Sr  Sr0  4  0.0000  0.0000  0.5000  1
  Au  Au1  4  0.0000  0.0000  0.0000  1
  Br  Br2  8  0.2293  0.2500  0.1250  1
]