data_[Na9Pr3Se12O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Pr  1.1300  1.8500  1.0600
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R32]
_cell_length_a [11.4928]
_cell_length_b [11.4928]
_cell_length_c [8.2174]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [155]
_chemical_formula_structural [Na3Pr(SeO3)4]
_chemical_formula_sum '[Na9 Pr3 Se12 O36]'
_cell_volume [939.9767]
_cell_formula_units_Z [3]
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
[
  Na  Na0  9  0.0000  0.5633  0.0000  1
  Pr  Pr1  3  0.0000  0.0000  0.0000  1
  Se  Se2  9  0.0000  0.4201  0.5000  1
  Se  Se3  3  0.0000  0.0000  0.5000  1
  O  O4  18  0.0237  0.1741  0.1882  1
  O  O5  9  0.0000  0.5663  0.5000  1
  O  O6  9  0.0000  0.8574  0.5000  1
]