data_[Tb8Zn20Cu16]
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 [Fmmm]
_cell_length_a [5.2578]
_cell_length_b [8.7265]
_cell_length_c [16.2258]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [69]
_chemical_formula_structural [Tb2Zn5Cu4]
_chemical_formula_sum '[Tb8 Zn20 Cu16]'
_cell_volume [744.4831]
_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  0.0000  0.0000  0.1313  1
  Zn  Zn1  8  0.2500  0.2500  0.0000  1
  Zn  Zn2  8  0.2500  0.2500  0.2500  1
  Zn  Zn3  4  0.0000  0.0000  0.5000  1
  Cu  Cu4  16  0.0000  0.1556  0.3698  1
]