data_[Rb4Bi8Pb4]
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 [Pnma]
_cell_length_a [8.4121]
_cell_length_b [5.4854]
_cell_length_c [13.4655]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [RbBi2Pb]
_chemical_formula_sum '[Rb4 Bi8 Pb4]'
_cell_volume [621.3470]
_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  0.2331  0.7500  0.1495  1.0
  Bi  Bi1  4  0.0738  0.7500  0.8591  1.0
  Bi  Bi2  4  0.2461  0.7500  0.4344  1.0
  Pb  Pb3  4  0.0426  0.2500  0.3681  1.0
]