data_[Rb8Tl24Sn8]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [16.8498]
_cell_length_b [11.7502]
_cell_length_c [7.5201]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.7547]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [RbTl3Sn]
_chemical_formula_sum '[Rb8 Tl24 Sn8]'
_cell_volume [1452.1525]
_cell_formula_units_Z [8]
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  0.0000  0.0329  0.2500  1.0
  Rb  Rb1  4  0.0000  0.3578  0.7500  1.0
  Tl  Tl2  8  0.1801  0.1631  0.0593  1.0
  Tl  Tl3  8  0.1835  0.1710  0.6084  1.0
  Tl  Tl4  8  0.1949  0.4846  0.6029  1.0
  Sn  Sn5  8  0.0916  0.3328  0.2783  1.0
]