data_[K14Pm2O9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Pm  1.1300  1.8500  1.1100
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3]
_cell_length_a [7.9159]
_cell_length_b [7.9159]
_cell_length_c [11.0790]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [147]
_chemical_formula_structural [K14Pm2O9]
_chemical_formula_sum '[K14 Pm2 O9]'
_cell_volume [601.2176]
_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
[
  K  K0  6  0.0543  0.6862  0.9106  1
  K  K1  6  0.1014  0.3815  0.5910  1
  K  K2  2  0.0000  0.0000  0.2469  1
  Pm  Pm3  2  0.3333  0.6667  0.2714  1
  O  O4  6  0.1053  0.3704  0.3418  1
  O  O5  2  0.3333  0.6667  0.0673  1
  O  O6  1  0.0000  0.0000  0.0000  1
]