data_[Rb4Na2Pr2I12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Pr  1.1300  1.8500  1.0600
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.5219]
_cell_length_b [8.9975]
_cell_length_c [14.7623]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.2536]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2NaPrI6]
_chemical_formula_sum '[Rb4 Na2 Pr2 I12]'
_cell_volume [935.5885]
_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
[
  Rb  Rb0  4  0.2830  0.5812  0.7538  1.0
  Na  Na1  2  0.5000  0.0000  0.0000  1.0
  Pr  Pr2  2  0.0000  0.0000  0.5000  1.0
  I  I3  4  0.1437  0.5228  0.2485  1.0
  I  I4  4  0.2388  0.2051  0.0511  1.0
  I  I5  4  0.3510  0.6931  0.0508  1.0
]