data_[Rb10Si2S8Br4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Si  1.9000  1.1000  0.5400
  S  2.5800  1.0000  0.8800
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [10.0543]
_cell_length_b [11.1250]
_cell_length_c [8.0600]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Rb5Si(S2Br)2]
_chemical_formula_sum '[Rb10 Si2 S8 Br4]'
_cell_volume [901.5392]
_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  8  0.2280  0.2005  0.0931  1.0
  Rb  Rb1  2  0.5000  0.0000  0.5459  1.0
  Si  Si2  2  0.0000  0.0000  0.5760  1.0
  S  S3  4  0.0000  0.1297  0.7790  1.0
  S  S4  4  0.1757  0.0000  0.4333  1.0
  Br  Br5  4  0.5000  0.2216  0.8379  1.0
]