data_[Cu24Ir3Pt18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cu  1.9000  1.3500  0.8200
  Ir  2.2000  1.3500  0.7650
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [7.1362]
_cell_length_b [7.1362]
_cell_length_c [15.3844]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Cu8IrPt6]
_chemical_formula_sum '[Cu24 Ir3 Pt18]'
_cell_volume [678.4951]
_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
[
  Cu  Cu0  18  0.0066  0.7090  0.8755  1
  Cu  Cu1  6  0.0000  0.0000  0.2467  1
  Ir  Ir2  3  0.0000  0.0000  0.0000  1
  Pt  Pt3  18  0.0007  0.2942  0.6201  1
]