data_[Dy18Er36Pb3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Dy  1.2200  1.7500  1.1310
  Er  1.2400  1.7500  1.0300
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [11.7326]
_cell_length_b [11.7326]
_cell_length_c [14.8903]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Dy6Er12Pb]
_chemical_formula_sum '[Dy18 Er36 Pb3]'
_cell_volume [1775.1075]
_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  0.0133  0.4248  0.6815  1
  Er  Er1  18  0.0060  0.8270  0.1884  1
  Er  Er2  18  0.0415  0.8487  0.4162  1
  Pb  Pb3  3  0.0000  0.0000  0.0000  1
]