data_[Rb4Cd2Br8]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.0020]
_cell_length_b [7.8488]
_cell_length_c [9.6657]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.2266]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Rb2CdBr4]
_chemical_formula_sum '[Rb4 Cd2 Br8]'
_cell_volume [576.6071]
_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
[
  Rb  Rb0  2  0.2377  0.7500  0.4358  1.0
  Rb  Rb1  2  0.2816  0.7500  0.9441  1.0
  Cd  Cd2  2  0.2665  0.2500  0.1973  1.0
  Br  Br3  4  0.4940  0.5053  0.2579  1.0
  Br  Br4  2  0.0746  0.2500  0.3735  1.0
  Br  Br5  2  0.0808  0.2500  0.9203  1.0
]