data_[Tb20Al4Cd8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Al  1.6100  1.2500  0.6750
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [7.7390]
_cell_length_b [7.7390]
_cell_length_c [15.0805]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Tb5AlCd2]
_chemical_formula_sum '[Tb20 Al4 Cd8]'
_cell_volume [903.1928]
_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  16  0.1648  0.3352  0.3432  1.0
  Tb  Tb1  4  0.0000  0.0000  0.0000  1.0
  Al  Al2  4  0.0000  0.0000  0.2500  1.0
  Cd  Cd3  8  0.1288  0.3712  0.0000  1.0
]