data_[Na4Au2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [5.4909]
_cell_length_b [5.5402]
_cell_length_c [5.8530]
_cell_angle_alpha [74.2239]
_cell_angle_beta [69.2673]
_cell_angle_gamma [61.5165]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Na2Au]
_chemical_formula_sum '[Na4 Au2]'
_cell_volume [145.2085]
_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  2  0.0962  0.3551  0.7515  1.0
  Na  Na1  2  0.2725  0.9359  0.2742  1.0
  Au  Au2  2  0.4070  0.6957  0.7929  1.0
]