data_[Tb8Pm16Ho12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pm  1.1300  1.8500  1.1100
  Ho  1.2300  1.7500  1.0410
]
_symmetry_space_group_name_H-M [Cccm]
_cell_length_a [9.7922]
_cell_length_b [16.9578]
_cell_length_c [7.0764]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [66]
_chemical_formula_structural [Tb2Pm4Ho3]
_chemical_formula_sum '[Tb8 Pm16 Ho12]'
_cell_volume [1175.0658]
_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  0.1867  0.3395  0.5000  1
  Pm  Pm1  8  0.1484  0.3265  0.0000  1
  Pm  Pm2  8  0.1653  0.0146  0.0000  1
  Ho  Ho3  8  0.0000  0.1692  0.2500  1
  Ho  Ho4  4  0.0000  0.5000  0.2500  1
]