data_[Pm12Bi8Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  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 [7.9584]
_cell_length_b [13.7177]
_cell_length_c [7.8518]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5534]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Pm3Bi2Pb]
_chemical_formula_sum '[Pm12 Bi8 Pb4]'
_cell_volume [807.7536]
_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
[
  Pm  Pm0  8  0.2489  0.0840  0.5021  1
  Pm  Pm1  4  0.2500  0.2500  0.0000  1
  Bi  Bi2  4  0.0000  0.0831  0.7500  1
  Bi  Bi3  4  0.0000  0.2490  0.2500  1
  Pb  Pb4  4  0.0000  0.4160  0.7500  1
]