data_[Rb1Na1Pr2Br8]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.2327]
_cell_length_b [9.1195]
_cell_length_c [7.4991]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.7249]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [RbNaPr2Br8]
_chemical_formula_sum '[Rb1 Na1 Pr2 Br8]'
_cell_volume [492.9491]
_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  1  0.0000  0.5000  0.0000  1.0
  Na  Na1  1  0.0000  0.0000  0.0000  1.0
  Pr  Pr2  2  0.5000  0.2440  0.5000  1.0
  Br  Br3  4  0.2470  0.2231  0.1843  1.0
  Br  Br4  2  0.2878  0.0000  0.6524  1.0
  Br  Br5  2  0.2924  0.5000  0.6379  1.0
]