data_[Pm6W2Br4O12]
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
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.1360]
_cell_length_b [6.4737]
_cell_length_c [5.8132]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.7203]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3W(BrO3)2]
_chemical_formula_sum '[Pm6 W2 Br4 O12]'
_cell_volume [450.1525]
_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  0.2500  0.2500  0.5000  1
  Pm  Pm1  2  0.0000  0.5000  0.0000  1
  W  W2  2  0.0000  0.0000  0.5000  1
  Br  Br3  4  0.2172  0.5000  0.8904  1
  O  O4  8  0.0536  0.2269  0.3039  1
  O  O5  4  0.1512  0.0000  0.6668  1
]