data_[Tb20Al8Zn4]
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
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [I4/mcm]
_cell_length_a [7.6191]
_cell_length_b [7.6191]
_cell_length_c [14.8480]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [140]
_chemical_formula_structural [Tb5Al2Zn]
_chemical_formula_sum '[Tb20 Al8 Zn4]'
_cell_volume [861.9451]
_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  0.1718  0.3282  0.8508  1
  Tb  Tb1  4  0.0000  0.0000  0.0000  1
  Al  Al2  8  0.1202  0.3798  0.5000  1
  Zn  Zn3  4  0.0000  0.0000  0.2500  1
]