data_[Na16Al8Au8O32]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Al  1.6100  1.2500  0.6750
  Au  2.5400  1.3500  1.0700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Fddd]
_cell_length_a [5.7881]
_cell_length_b [12.8257]
_cell_length_c [18.0194]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [70]
_chemical_formula_structural [Na2AlAuO4]
_chemical_formula_sum '[Na16 Al8 Au8 O32]'
_cell_volume [1337.6917]
_cell_formula_units_Z [8]
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  16  0.0000  0.0000  0.1911  1
  Al  Al1  8  0.0000  0.0000  0.0000  1
  Au  Au2  8  0.0000  0.0000  0.5000  1
  O  O3  32  0.0252  0.1521  0.2448  1
]