data_[Cs8Rb4Bi8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Rb  0.8200  2.3500  1.6600
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [8.8539]
_cell_length_b [17.7382]
_cell_length_c [7.9629]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Cs2RbBi2Pb]
_chemical_formula_sum '[Cs8 Rb4 Bi8 Pb4]'
_cell_volume [1250.5858]
_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
[
  Cs  Cs0  8  0.2170  0.3260  0.0000  1.0
  Rb  Rb1  4  0.0000  0.0000  0.2500  1.0
  Bi  Bi2  8  0.2015  0.6022  0.0000  1.0
  Pb  Pb3  4  0.0000  0.5000  0.2500  1.0
]