data_[Rb8Pr4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Pr  1.1300  1.8500  1.0600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [6.5708]
_cell_length_b [11.4455]
_cell_length_c [7.4358]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Rb2PrO3]
_chemical_formula_sum '[Rb8 Pr4 O12]'
_cell_volume [559.2151]
_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
[
  Rb  Rb0  8  0.2407  0.5842  0.1120  1
  Pr  Pr1  4  0.2217  0.2500  0.1466  1
  O  O2  8  0.0107  0.6195  0.7208  1
  O  O3  4  0.1149  0.2500  0.8632  1
]