data_[Tb18Dy6Th3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Dy  1.2200  1.7500  1.1310
  Th  1.3000  1.8000  1.0800
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [7.3922]
_cell_length_b [7.3922]
_cell_length_c [19.3582]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Tb6Dy2Th]
_chemical_formula_sum '[Tb18 Dy6 Th3]'
_cell_volume [916.0973]
_cell_formula_units_Z [3]
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  9  0.1732  0.3464  0.5641  1
  Tb  Tb1  9  0.1907  0.3813  0.7645  1
  Dy  Dy2  3  0.0000  0.0000  0.2464  1
  Dy  Dy3  3  0.0000  0.0000  0.4202  1
  Th  Th4  3  0.0000  0.0000  0.6819  1
]