data_[Tb12Zn12Cu8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.8292]
_cell_length_b [15.4793]
_cell_length_c [5.3706]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Tb3Zn3Cu2]
_chemical_formula_sum '[Tb12 Zn12 Cu8]'
_cell_volume [650.8690]
_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  0.0429  0.6065  0.6254  1
  Tb  Tb1  4  0.1773  0.7500  0.1321  1
  Zn  Zn2  8  0.1827  0.5350  0.1077  1
  Zn  Zn3  4  0.1668  0.2500  0.1287  1
  Cu  Cu4  8  0.1065  0.1097  0.8793  1
]