data_[Bi4Pb10]
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/m]
_cell_length_a [10.8848]
_cell_length_b [5.1972]
_cell_length_c [8.0059]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.1787]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Bi2Pb5]
_chemical_formula_sum '[Bi4 Pb10]'
_cell_volume [445.7762]
_cell_formula_units_Z [2]
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  4  0.2118  0.5000  0.1526  1
  Pb  Pb1  4  0.0761  0.5000  0.7210  1
  Pb  Pb2  4  0.1419  0.0000  0.4273  1
  Pb  Pb3  2  0.0000  0.0000  0.0000  1
]