data_[Pb4W2]
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 [Immm]
_cell_length_a [3.0583]
_cell_length_b [4.7342]
_cell_length_c [9.5539]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pb2W]
_chemical_formula_sum '[Pb4 W2]'
_cell_volume [138.3256]
_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
[
  Pb  Pb0  4  0.0000  0.0000  0.3403  1
  W  W1  2  0.0000  0.0000  0.0000  1
]