data_[Tb20Nd8Ho8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Nd  1.1400  1.8500  1.2765
  Ho  1.2300  1.7500  1.0410
]
_symmetry_space_group_name_H-M [Ima2]
_cell_length_a [14.9253]
_cell_length_b [11.8293]
_cell_length_c [6.7512]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [46]
_chemical_formula_structural [Tb5(NdHo)2]
_chemical_formula_sum '[Tb20 Nd8 Ho8]'
_cell_volume [1191.9648]
_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  0.0523  0.7478  0.7929  1
  Tb  Tb1  8  0.1433  0.2349  0.6156  1
  Tb  Tb2  4  0.2500  0.7444  0.5908  1
  Nd  Nd3  8  0.1267  0.0001  0.9409  1
  Ho  Ho4  4  0.0000  0.0000  0.4797  1
  Ho  Ho5  4  0.2500  0.0104  0.3947  1
]