data_[Rb4Cd2Bi2O8]
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
  Bi  2.0200  1.6000  1.0350
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [8.4361]
_cell_length_b [8.3633]
_cell_length_c [6.3195]
_cell_angle_alpha [90.0000]
_cell_angle_beta [130.1422]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [Rb2CdBiO4]
_chemical_formula_sum '[Rb4 Cd2 Bi2 O8]'
_cell_volume [340.8366]
_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  0.0000  0.7308  0.5000  1.0
  Rb  Rb1  2  0.0000  0.9777  0.0000  1.0
  Cd  Cd2  2  0.0000  0.5040  0.0000  1.0
  Bi  Bi3  2  0.0000  0.2530  0.5000  1.0
  O  O4  4  0.1547  0.4102  0.4213  1.0
  O  O5  4  0.2499  0.6635  0.0842  1.0
]