data_[Rb12Bi8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  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 [C2/m]
_cell_length_a [20.0149]
_cell_length_b [5.8831]
_cell_length_c [10.4974]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.9655]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb3Bi2Pb]
_chemical_formula_sum '[Rb12 Bi8 Pb4]'
_cell_volume [1209.2150]
_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  4  0.0603  0.0000  0.1881  1.0
  Rb  Rb1  4  0.1806  0.5000  0.0541  1.0
  Rb  Rb2  4  0.1897  0.0000  0.5549  1.0
  Bi  Bi3  4  0.0974  0.5000  0.3999  1.0
  Bi  Bi4  4  0.1203  0.0000  0.8403  1.0
  Pb  Pb5  4  0.0648  0.5000  0.6829  1.0
]