data_[Na4Pr2Ir2O12]
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
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.7346]
_cell_length_b [5.8874]
_cell_length_c [9.9623]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.4551]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Na2PrIrO6]
_chemical_formula_sum '[Na4 Pr2 Ir2 O12]'
_cell_volume [277.3417]
_cell_formula_units_Z [2]
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  4  0.2394  0.0425  0.2511  1.0
  Pr  Pr1  2  0.5000  0.0000  0.0000  1.0
  Ir  Ir2  2  0.0000  0.0000  0.5000  1.0
  O  O3  4  0.1116  0.2297  0.9422  1.0
  O  O4  4  0.2225  0.6774  0.9509  1.0
  O  O5  4  0.3204  0.0353  0.7210  1.0
]