data_[Rb8Cd4I8Br8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Cd  1.6900  1.5500  1.0900
  I  2.6600  1.4000  1.2733
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Ama2]
_cell_length_a [11.9249]
_cell_length_b [12.2152]
_cell_length_c [8.6327]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [40]
_chemical_formula_structural [Rb2Cd(IBr)2]
_chemical_formula_sum '[Rb8 Cd4 I8 Br8]'
_cell_volume [1257.4719]
_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
[
  Rb  Rb0  4  0.0000  0.0000  0.3870  1.0
  Rb  Rb1  4  0.2500  0.1754  0.9283  1.0
  Cd  Cd2  4  0.2500  0.2805  0.4263  1.0
  I  I3  8  0.0565  0.2902  0.2392  1.0
  Br  Br4  4  0.2500  0.0829  0.5586  1.0
  Br  Br5  4  0.2500  0.4279  0.6523  1.0
]