data_[Pt2Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pt  2.2800  1.3500  0.8050
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P4/nbm]
_cell_length_a [6.7998]
_cell_length_b [6.7998]
_cell_length_c [6.1447]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [125]
_chemical_formula_structural [PtPb4]
_chemical_formula_sum '[Pt2 Pb8]'
_cell_volume [284.1169]
_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
[
  Pt  Pt0  2  0.0000  0.0000  0.0000  1.0
  Pb  Pb1  8  0.1746  0.3254  0.7490  1.0
]