data_[Tb16Ga4Cu8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ga  1.8100  1.3000  0.7600
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Cc]
_cell_length_a [8.5007]
_cell_length_b [14.6873]
_cell_length_c [6.7718]
_cell_angle_alpha [90.0000]
_cell_angle_beta [127.1644]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [9]
_chemical_formula_structural [Tb4GaCu2]
_chemical_formula_sum '[Tb16 Ga4 Cu8]'
_cell_volume [673.7656]
_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  4  0.1524  0.9767  0.4035  1.0
  Tb  Tb1  4  0.1979  0.4629  0.7797  1.0
  Tb  Tb2  4  0.2231  0.2538  0.0796  1.0
  Tb  Tb3  4  0.4270  0.1735  0.7536  1.0
  Ga  Ga4  4  0.4151  0.3631  0.5710  1.0
  Cu  Cu5  4  0.0217  0.1633  0.5317  1.0
  Cu  Cu6  4  0.4370  0.0874  0.3804  1.0
]