data_[Pm4Pb2W2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pb  2.3300  1.8000  1.1225
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.0079]
_cell_length_b [7.3464]
_cell_length_c [7.0046]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.6781]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2PbWO8]
_chemical_formula_sum '[Pm4 Pb2 W2 O16]'
_cell_volume [360.5908]
_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
[
  Pm  Pm0  4  0.0210  0.5000  0.7581  1
  Pb  Pb1  2  0.0000  0.0000  0.5000  1
  W  W2  2  0.0000  0.0000  0.0000  1
  O  O3  8  0.0145  0.1792  0.2111  1
  O  O4  4  0.2080  0.5000  0.4868  1
  O  O5  4  0.2234  0.5000  0.0182  1
]