data_[Cu18Pd6Au18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Pd  2.2000  1.4000  0.8462
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [7.3547]
_cell_length_b [7.3547]
_cell_length_c [13.5615]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Cu3PdAu3]
_chemical_formula_sum '[Cu18 Pd6 Au18]'
_cell_volume [635.2851]
_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
[
  Cu  Cu0  18  0.0484  0.8184  0.4184  1.0
  Pd  Pd1  6  0.0000  0.0000  0.2593  1.0
  Au  Au2  18  0.0313  0.7884  0.9149  1.0
]