data_[Rb4Na2Sb2Br12]
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
  Sb  2.0500  1.4500  0.8300
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.8973]
_cell_length_b [8.2019]
_cell_length_c [13.7853]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.8428]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2NaSbBr6]
_chemical_formula_sum '[Rb4 Na2 Sb2 Br12]'
_cell_volume [732.8342]
_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  0.2698  0.0675  0.2500  1.0
  Na  Na1  2  0.5000  0.0000  0.0000  1.0
  Sb  Sb2  2  0.0000  0.0000  0.5000  1.0
  Br  Br3  4  0.1587  0.0151  0.7431  1.0
  Br  Br4  4  0.2324  0.7117  0.5420  1.0
  Br  Br5  4  0.3347  0.1938  0.5432  1.0
]