data_[Rb6Tl3Ag6Cl18]
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
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [8.0343]
_cell_length_b [8.0343]
_cell_length_c [20.9251]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Rb2Tl(AgCl3)2]
_chemical_formula_sum '[Rb6 Tl3 Ag6 Cl18]'
_cell_volume [1169.7610]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.2147  1.0
  Tl  Tl1  3  0.0000  0.0000  0.0000  1.0
  Ag  Ag2  6  0.0000  0.0000  0.4301  1.0
  Cl  Cl3  18  0.0224  0.5112  0.7563  1.0
]