data_[Sn4Bi12Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sn  1.9600  1.4500  0.8300
  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 [7.8917]
_cell_length_b [13.6041]
_cell_length_c [8.0118]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.8749]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [SnBi3Pb2]
_chemical_formula_sum '[Sn4 Bi12 Pb8]'
_cell_volume [813.8917]
_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
[
  Sn  Sn0  4  0.0000  0.4097  0.7500  1.0
  Bi  Bi1  8  0.2249  0.4211  0.4867  1.0
  Bi  Bi2  4  0.2500  0.2500  0.0000  1.0
  Pb  Pb3  4  0.0000  0.0781  0.7500  1.0
  Pb  Pb4  4  0.0000  0.2381  0.2500  1.0
]