data_[Pb4W4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pb  2.3300  1.8000  1.1225
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [6.3610]
_cell_length_b [6.3610]
_cell_length_c [6.3610]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [PbW]
_chemical_formula_sum '[Pb4 W4]'
_cell_volume [257.3854]
_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
[
  Pb  Pb0  4  0.0000  0.0000  0.0000  1
  W  W1  4  0.2500  0.2500  0.7500  1
]