data_[Rb2Pm1Br6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Pm  1.1300  1.8500  1.1100
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P-62m]
_cell_length_a [8.8353]
_cell_length_b [8.8353]
_cell_length_c [4.6182]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [189]
_chemical_formula_structural [Rb2PmBr6]
_chemical_formula_sum '[Rb2 Pm1 Br6]'
_cell_volume [312.2102]
_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  2  0.3333  0.6667  0.0000  1
  Pm  Pm1  1  0.0000  0.0000  0.5000  1
  Br  Br2  3  0.0000  0.2323  0.0000  1
  Br  Br3  3  0.0000  0.6523  0.5000  1
]