data_[Rb8Tb4Tl4S16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tb  1.1000  1.7500  0.9815
  Tl  1.6200  1.9000  1.3325
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [11.8726]
_cell_length_b [12.3471]
_cell_length_c [8.4505]
_cell_angle_alpha [90.0000]
_cell_angle_beta [133.6783]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Rb2TbTlS4]
_chemical_formula_sum '[Rb8 Tb4 Tl4 S16]'
_cell_volume [895.9254]
_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  0.5000  0.0000  1
  Rb  Rb1  4  0.2500  0.2500  0.0000  1
  Tb  Tb2  4  0.0000  0.0000  0.0000  1
  Tl  Tl3  4  0.2500  0.2500  0.5000  1
  S  S4  8  0.0125  0.2320  0.4757  1
  S  S5  8  0.2113  0.0103  0.4574  1
]