data_[Ga6Cu3Ag3]
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
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [2.9739]
_cell_length_b [2.9739]
_cell_length_c [25.3094]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Ga2CuAg]
_chemical_formula_sum '[Ga6 Cu3 Ag3]'
_cell_volume [193.8555]
_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  6  0.0000  0.0000  0.2567  1.0
  Cu  Cu1  3  0.0000  0.0000  0.0000  1.0
  Ag  Ag2  3  -0.0000  -0.0000  0.5000  1.0
]