data_[Tb18Pa6Ir18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tb  1.1000  1.7500  0.9815
  Pa  1.5000  1.8000  1.0400
  Ir  2.2000  1.3500  0.7650
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.3024]
_cell_length_b [8.3024]
_cell_length_c [17.5107]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Tb3PaIr3]
_chemical_formula_sum '[Tb18 Pa6 Ir18]'
_cell_volume [1045.3146]
_cell_formula_units_Z [6]
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  18  0.0163  0.7317  0.1054  1
  Pa  Pa1  6  0.0000  0.0000  0.3262  1
  Ir  Ir2  18  0.0098  0.6287  0.9400  1
]