data_[Rb12Tl12Sb8]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.2930]
_cell_length_b [13.6059]
_cell_length_c [18.3900]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Rb3Tl3Sb2]
_chemical_formula_sum '[Rb12 Tl12 Sb8]'
_cell_volume [1324.3808]
_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  0.0000  0.0684  0.6035  1.0
  Rb  Rb1  4  0.0000  0.3635  0.7500  1.0
  Tl  Tl2  8  0.0000  0.3552  0.5309  1.0
  Tl  Tl3  4  0.0000  0.3537  0.2500  1.0
  Sb  Sb4  8  0.0000  0.2195  0.1152  1.0
]