data_[Rb8Tl8Cl20]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Ima2]
_cell_length_a [22.6438]
_cell_length_b [8.0941]
_cell_length_c [7.4509]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [46]
_chemical_formula_structural [Rb2Tl2Cl5]
_chemical_formula_sum '[Rb8 Tl8 Cl20]'
_cell_volume [1365.6113]
_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  8  0.1087  0.0260  0.5087  1.0
  Tl  Tl1  4  0.0000  0.0000  0.0188  1.0
  Tl  Tl2  4  0.2500  0.5562  0.4712  1.0
  Cl  Cl3  8  0.0169  0.7473  0.2666  1.0
  Cl  Cl4  8  0.1228  0.0693  0.0311  1.0
  Cl  Cl5  4  0.2500  0.5814  0.0612  1.0
]