data_[Bi8Pb20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Bi  2.0200  1.6000  1.0350
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.6080]
_cell_length_b [6.1563]
_cell_length_c [9.2190]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.9577]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Bi2Pb5]
_chemical_formula_sum '[Bi8 Pb20]'
_cell_volume [884.6517]
_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
[
  Bi  Bi0  8  0.0742  0.3173  0.1062  1.0
  Pb  Pb1  8  0.1411  0.1797  0.4626  1.0
  Pb  Pb2  8  0.2159  0.3240  0.8233  1.0
  Pb  Pb3  4  0.0000  0.1810  0.7500  1.0
]