data_[Pm8W4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.6458]
_cell_length_b [3.8608]
_cell_length_c [16.1093]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Pm2WO5]
_chemical_formula_sum '[Pm8 W4 O20]'
_cell_volume [475.5245]
_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
[
  Pm  Pm0  4  0.0900  0.2500  0.0884  1
  Pm  Pm1  4  0.1418  0.2500  0.7420  1
  W  W2  4  0.1142  0.2500  0.4312  1
  O  O3  4  0.0924  0.7500  0.6509  1
  O  O4  4  0.0931  0.7500  0.4661  1
  O  O5  4  0.0976  0.7500  0.1763  1
  O  O6  4  0.1513  0.7500  0.0026  1
  O  O7  4  0.2050  0.7500  0.8310  1
]