data_[Na2Ge4Au8]
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 [Cmmm]
_cell_length_a [4.6431]
_cell_length_b [13.3120]
_cell_length_c [4.6678]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Na(GeAu2)2]
_chemical_formula_sum '[Na2 Ge4 Au8]'
_cell_volume [288.5160]
_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  0.0000  0.0000  0.0000  1.0
  Ge  Ge1  4  0.0000  0.4053  0.5000  1.0
  Au  Au2  4  0.0000  0.1765  0.5000  1.0
  Au  Au3  4  0.0000  0.3220  0.0000  1.0
]