data_[Na4Ge4Au8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ge  2.0100  1.2500  0.7700
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [7.7434]
_cell_length_b [7.2162]
_cell_length_c [5.9151]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [NaGeAu2]
_chemical_formula_sum '[Na4 Ge4 Au8]'
_cell_volume [330.5224]
_cell_formula_units_Z [4]
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  0.0193  0.2500  0.3685  1.0
  Ge  Ge1  4  0.1264  0.7500  0.1262  1.0
  Au  Au2  8  0.1857  0.0508  0.9109  1.0
]