data_[Rb8Sn4Bi8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sn  1.9600  1.4500  0.8300
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [8.0058]
_cell_length_b [16.5489]
_cell_length_c [7.8973]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Rb2SnBi2Pb]
_chemical_formula_sum '[Rb8 Sn4 Bi8 Pb4]'
_cell_volume [1046.2934]
_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  8  0.2465  0.1648  0.5000  1.0
  Sn  Sn1  4  0.0000  0.0000  0.2500  1.0
  Bi  Bi2  8  0.2360  0.0971  0.0000  1.0
  Pb  Pb3  4  0.0000  0.5000  0.2500  1.0
]