data_[Pm2Se2O6F1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
  F  3.9800  0.5000  0.7050
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.6708]
_cell_length_b [5.8766]
_cell_length_c [6.0420]
_cell_angle_alpha [67.4750]
_cell_angle_beta [84.9237]
_cell_angle_gamma [75.0378]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Pm2Se2O6F]
_chemical_formula_sum '[Pm2 Se2 O6 F1]'
_cell_volume [179.6700]
_cell_formula_units_Z [1]
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  2  0.2208  0.5105  0.2206  1
  Se  Se1  2  0.2159  0.9236  0.6467  1
  O  O2  2  0.0066  0.7411  0.8437  1
  O  O3  2  0.1077  0.2316  0.6450  1
  O  O4  2  0.4314  0.7702  0.8882  1
  F  F5  1  0.5000  0.5000  0.5000  1
]