data_[Rb8Tl12Cd20]
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
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Ibam]
_cell_length_a [12.5243]
_cell_length_b [14.9551]
_cell_length_c [7.0267]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [72]
_chemical_formula_structural [Rb2Tl3Cd5]
_chemical_formula_sum '[Rb8 Tl12 Cd20]'
_cell_volume [1316.1176]
_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  0.2321  0.1338  0.5000  1
  Tl  Tl1  8  0.1580  0.3949  0.5000  1
  Tl  Tl2  4  0.0000  0.0000  0.2500  1
  Cd  Cd3  8  0.0000  0.2846  0.2500  1
  Cd  Cd4  8  0.1026  0.1486  0.0000  1
  Cd  Cd5  4  0.0000  0.5000  0.2500  1
]