data_[Ga3Cu3Au18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ga  1.8100  1.3000  0.7600
  Cu  1.9000  1.3500  0.8200
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [6.5384]
_cell_length_b [6.5384]
_cell_length_c [11.5707]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [GaCuAu6]
_chemical_formula_sum '[Ga3 Cu3 Au18]'
_cell_volume [428.3870]
_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
[
  Ga  Ga0  3  0.0000  0.0000  0.0000  1.0
  Cu  Cu1  3  -0.0000  0.0000  0.5000  1.0
  Au  Au2  18  0.0002  0.2628  0.7494  1.0
]