data_[Rb14Pm2O9]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [8.3138]
_cell_length_b [8.3138]
_cell_length_c [11.6280]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [147]
_chemical_formula_structural [Rb14Pm2O9]
_chemical_formula_sum '[Rb14 Pm2 O9]'
_cell_volume [696.0362]
_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
[
  Rb  Rb0  6  0.0395  0.6756  0.9077  1
  Rb  Rb1  6  0.0978  0.3869  0.5918  1
  Rb  Rb2  2  0.0000  0.0000  0.2484  1
  Pm  Pm3  2  0.3333  0.6667  0.2760  1
  O  O4  6  0.1146  0.3824  0.3416  1
  O  O5  2  0.3333  0.6667  0.0823  1
  O  O6  1  0.0000  0.0000  0.0000  1
]