data_[Dy18Ir3Pb3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Ir  2.2000  1.3500  0.7650
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.8860]
_cell_length_b [6.8860]
_cell_length_c [19.5422]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Dy6IrPb]
_chemical_formula_sum '[Dy18 Ir3 Pb3]'
_cell_volume [802.4905]
_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
[
  Dy  Dy0  18  0.0046  0.3749  0.4135  1
  Ir  Ir1  3  0.0000  0.0000  0.0000  1
  Pb  Pb2  3  -0.0000  0.0000  0.5000  1
]