data_[Cs4Rb8Tl4Bi8]
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
  Tl  1.6200  1.9000  1.3325
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [9.6610]
_cell_length_b [15.5527]
_cell_length_c [8.2067]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [CsRb2TlBi2]
_chemical_formula_sum '[Cs4 Rb8 Tl4 Bi8]'
_cell_volume [1233.0973]
_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  4  0.0000  0.0000  0.2500  1
  Rb  Rb1  8  0.1749  0.6749  0.5000  1
  Tl  Tl2  4  0.0000  0.5000  0.2500  1
  Bi  Bi3  8  0.1877  0.4037  0.5000  1
]