data_[Na6Ga18Au4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ga  1.8100  1.3000  0.7600
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.3973]
_cell_length_b [10.0486]
_cell_length_c [12.8615]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Na3Ga9Au2]
_chemical_formula_sum '[Na6 Ga18 Au4]'
_cell_volume [568.3064]
_cell_formula_units_Z [2]
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
[
  Na  Na0  4  0.0000  0.0000  0.3203  1.0
  Na  Na1  2  0.0000  0.0000  0.0000  1.0
  Ga  Ga2  8  0.0000  0.2814  0.1285  1.0
  Ga  Ga3  8  0.0000  0.3690  0.3228  1.0
  Ga  Ga4  2  0.0000  0.5000  0.0000  1.0
  Au  Au5  4  0.0000  0.2331  0.5000  1.0
]