data_[Tb24Tl4Cu8]
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
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [9.4677]
_cell_length_b [9.9845]
_cell_length_c [10.3931]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Tb6TlCu2]
_chemical_formula_sum '[Tb24 Tl4 Cu8]'
_cell_volume [982.4626]
_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
[
  Tb  Tb0  8  0.0000  0.1993  0.2371  1.0
  Tb  Tb1  8  0.1941  0.5000  0.1783  1.0
  Tb  Tb2  8  0.2157  0.3151  0.5000  1.0
  Tl  Tl3  2  0.0000  0.0000  0.0000  1.0
  Tl  Tl4  2  0.0000  0.0000  0.5000  1.0
  Cu  Cu5  4  0.0000  0.3509  0.0000  1.0
  Cu  Cu6  4  0.0000  0.5000  0.3812  1.0
]