data_[Rb4Se8Br24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Se  2.5500  1.1500  1.0133
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.1134]
_cell_length_b [12.5644]
_cell_length_c [8.7423]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.4877]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Rb(SeBr3)2]
_chemical_formula_sum '[Rb4 Se8 Br24]'
_cell_volume [1591.8263]
_cell_formula_units_Z [4]
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  0.0000  0.1759  0.7500  1.0
  Se  Se1  8  0.2461  0.1507  0.3158  1.0
  Br  Br2  8  0.1133  0.0573  0.1236  1.0
  Br  Br3  8  0.1262  0.2473  0.4592  1.0
  Br  Br4  8  0.1370  0.4192  0.8009  1.0
]