data_[Rb4Bi4S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Bi  2.0200  1.6000  1.0350
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.6297]
_cell_length_b [8.7099]
_cell_length_c [7.5810]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.6634]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [RbBiS2]
_chemical_formula_sum '[Rb4 Bi4 S8]'
_cell_volume [545.8926]
_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  0.1264  0.0821  0.3164  1.0
  Bi  Bi1  4  0.3925  0.6783  0.3669  1.0
  S  S2  4  0.1724  0.7256  0.5392  1.0
  S  S3  4  0.3601  0.1101  0.7812  1.0
]