data_[Ga6Fe18Cu6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ga  1.8100  1.3000  0.7600
  Fe  1.8300  1.4000  0.8525
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.9646]
_cell_length_b [4.9646]
_cell_length_c [18.8139]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [GaFe3Cu]
_chemical_formula_sum '[Ga6 Fe18 Cu6]'
_cell_volume [401.5788]
_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
[
  Ga  Ga0  6  0.0000  0.0000  0.0923  1
  Fe  Fe1  18  0.0022  0.5011  0.8869  1
  Cu  Cu2  6  0.0000  0.0000  0.3342  1
]