data_[Tb8Nd20Ho8]
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 [15.1823]
_cell_length_b [12.9253]
_cell_length_c [6.2350]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [46]
_chemical_formula_structural [Tb2Nd5Ho2]
_chemical_formula_sum '[Tb8 Nd20 Ho8]'
_cell_volume [1223.5249]
_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  0.0000  0.0000  0.9210  1
  Tb  Tb1  4  0.2500  0.0564  0.0531  1
  Nd  Nd2  8  0.0486  0.1995  0.3317  1
  Nd  Nd3  8  0.1439  0.6849  0.4894  1
  Nd  Nd4  4  0.2500  0.1763  0.5785  1
  Ho  Ho5  8  0.1353  0.9503  0.4846  1
]