data_[Pb2W2N4O2]
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
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.8869]
_cell_length_b [5.8077]
_cell_length_c [5.9352]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [PbWN2O]
_chemical_formula_sum '[Pb2 W2 N4 O2]'
_cell_volume [133.9822]
_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  2  0.0000  0.0000  0.0263  1
  W  W1  2  0.5000  0.0000  0.5305  1
  N  N2  4  0.5000  0.2480  0.7226  1
  O  O3  2  0.0000  0.0000  0.4577  1
]