data_[Tb20Ni8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [16.3890]
_cell_length_b [6.3652]
_cell_length_c [6.8466]
_cell_angle_alpha [90.0000]
_cell_angle_beta [96.3675]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Tb5Ni2]
_chemical_formula_sum '[Tb20 Ni8]'
_cell_volume [709.8236]
_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  0.0959  0.1075  0.9226  1.0
  Tb  Tb1  8  0.2160  0.4323  0.3123  1.0
  Tb  Tb2  4  0.0000  0.4340  0.2500  1.0
  Ni  Ni3  8  0.1100  0.2982  0.5689  1.0
]