data_[Tb12Zn4Cu4]
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 [P2_1/c]
_cell_length_a [6.5377]
_cell_length_b [8.3319]
_cell_length_c [8.9037]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.1921]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Tb3ZnCu]
_chemical_formula_sum '[Tb12 Zn4 Cu4]'
_cell_volume [484.8929]
_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  0.2191  0.5545  0.3325  1.0
  Tb  Tb1  4  0.2393  0.5483  0.9271  1.0
  Tb  Tb2  4  0.2769  0.1952  0.1304  1.0
  Zn  Zn3  4  0.4202  0.6765  0.6310  1.0
  Cu  Cu4  4  0.0314  0.7162  0.6231  1.0
]