data_[Rb4Na2Tl4S8]
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
  Tl  1.6200  1.9000  1.3325
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.2319]
_cell_length_b [4.5761]
_cell_length_c [7.7283]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.0148]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Na(TlS2)2]
_chemical_formula_sum '[Rb4 Na2 Tl4 S8]'
_cell_volume [548.9186]
_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  0.1199  0.0000  0.5395  1.0
  Na  Na1  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl2  4  0.1584  0.5000  0.0135  1.0
  S  S3  4  0.0195  0.5000  0.7604  1.0
  S  S4  4  0.2125  0.0000  0.1868  1.0
]