data_[Rb8Tl48Sn16]
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 [Fd-3m]
_cell_length_a [14.4119]
_cell_length_b [14.4119]
_cell_length_c [14.4119]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [227]
_chemical_formula_structural [Rb(Tl3Sn)2]
_chemical_formula_sum '[Rb8 Tl48 Sn16]'
_cell_volume [2993.3677]
_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  8  0.0000  0.0000  0.5000  1
  Tl  Tl1  48  0.0000  0.0000  0.2424  1
  Sn  Sn2  16  0.1250  0.1250  0.1250  1
]