data_[Rb2Tl2Au4I8]
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
  Au  2.5400  1.3500  1.0700
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [I222]
_cell_length_a [8.4744]
_cell_length_b [8.8528]
_cell_length_c [9.1331]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [23]
_chemical_formula_structural [RbTl(AuI2)2]
_chemical_formula_sum '[Rb2 Tl2 Au4 I8]'
_cell_volume [685.1819]
_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  0.0000  1
  Tl  Tl1  2  0.0000  0.0000  0.5000  1
  Au  Au2  4  0.0000  0.5000  0.1679  1
  I  I3  8  0.2210  0.2978  0.7949  1
]