data_[Sn8Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sn  1.9600  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2_12_12_1]
_cell_length_a [5.9851]
_cell_length_b [7.7905]
_cell_length_c [10.7839]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [19]
_chemical_formula_structural [SnPb]
_chemical_formula_sum '[Sn8 Pb8]'
_cell_volume [502.8125]
_cell_formula_units_Z [8]
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  0.2172  0.5970  0.7400  1.0
  Sn  Sn1  4  0.2326  0.0151  0.1821  1.0
  Pb  Pb2  4  0.0378  0.6625  0.0475  1.0
  Pb  Pb3  4  0.2418  0.7468  0.4187  1.0
]