data_[Tb8Zn4Cu8]
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 [C2/m]
_cell_length_a [10.4027]
_cell_length_b [4.3318]
_cell_length_c [10.2119]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.3782]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tb2ZnCu2]
_chemical_formula_sum '[Tb8 Zn4 Cu8]'
_cell_volume [404.8776]
_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  0.0163  0.0000  0.3370  1.0
  Tb  Tb1  4  0.1958  0.0000  0.1121  1.0
  Zn  Zn2  4  0.2270  0.5000  0.3511  1.0
  Cu  Cu3  4  0.0167  0.5000  0.8873  1.0
  Cu  Cu4  4  0.1367  0.5000  0.5638  1.0
]