data_[Rb8Tl6Ag2I16]
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
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.6599]
_cell_length_b [10.1687]
_cell_length_c [10.1632]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.2228]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb4Tl3AgI8]
_chemical_formula_sum '[Rb8 Tl6 Ag2 I16]'
_cell_volume [1509.0783]
_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  0.2500  0.2500  0.5000  1.0
  Rb  Rb1  2  0.0000  0.0000  0.0000  1.0
  Rb  Rb2  2  0.0000  0.5000  0.0000  1.0
  Tl  Tl3  4  0.2500  0.2500  0.0000  1.0
  Tl  Tl4  2  0.0000  0.5000  0.5000  1.0
  Ag  Ag5  2  0.0000  0.0000  0.5000  1.0
  I  I6  8  0.0040  0.2186  0.7158  1.0
  I  I7  4  0.2460  0.5000  0.7529  1.0
  I  I8  4  0.2465  0.5000  0.2397  1.0
]