data_[K4Pb4W2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Pb  2.3300  1.8000  1.1225
  W  2.3600  1.3500  0.7667
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [10.3054]
_cell_length_b [10.3054]
_cell_length_c [3.0578]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [K2Pb2W]
_chemical_formula_sum '[K4 Pb4 W2]'
_cell_volume [324.7437]
_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
[
  K  K0  4  0.1212  0.3788  0.0000  1
  Pb  Pb1  4  0.1791  0.6791  0.5000  1
  W  W2  2  0.0000  0.0000  0.0000  1
]