data_[Tb2Tl12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Im-3m]
_cell_length_a [8.3729]
_cell_length_b [8.3729]
_cell_length_c [8.3729]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [229]
_chemical_formula_structural [TbTl6]
_chemical_formula_sum '[Tb2 Tl12]'
_cell_volume [586.9882]
_cell_formula_units_Z [2]
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
[
  Tb  Tb0  2  0.0000  0.0000  0.0000  1
  Tl  Tl1  12  0.0000  0.2500  0.5000  1
]