data_[Rb4Tl4S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tl  1.6200  1.9000  1.3325
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [8.0449]
_cell_length_b [4.2128]
_cell_length_c [15.4896]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [RbTlS2]
_chemical_formula_sum '[Rb4 Tl4 S8]'
_cell_volume [524.9631]
_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  0.0836  0.7500  0.1493  1.0
  Tl  Tl1  4  0.0421  0.2500  0.3966  1.0
  S  S2  4  0.1331  0.7500  0.7294  1.0
  S  S3  4  0.1932  0.7500  0.4643  1.0
]