data_[Rb2Ta2Ag4S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Ta  1.5000  1.4500  0.8200
  Ag  1.9300  1.6000  1.0867
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [I-42m]
_cell_length_a [6.8113]
_cell_length_b [6.8113]
_cell_length_c [9.1666]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [121]
_chemical_formula_structural [RbTa(AgS2)2]
_chemical_formula_sum '[Rb2 Ta2 Ag4 S8]'
_cell_volume [425.2785]
_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  2  0.0000  0.0000  0.5000  1.0
  Ta  Ta1  2  0.0000  0.0000  0.0000  1.0
  Ag  Ag2  4  0.0000  0.5000  0.2500  1.0
  S  S3  8  0.1922  0.1922  0.8515  1.0
]