data_[Na4Sb8Au16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sb  2.0500  1.4500  0.8300
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [17.2944]
_cell_length_b [4.8217]
_cell_length_c [7.6057]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Na(SbAu2)2]
_chemical_formula_sum '[Na4 Sb8 Au16]'
_cell_volume [634.2334]
_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  0.1442  0.7500  0.5296  1
  Sb  Sb1  4  0.0125  0.2500  0.7823  1
  Sb  Sb2  4  0.2252  0.7500  0.0837  1
  Au  Au3  4  0.0291  0.2500  0.4050  1
  Au  Au4  4  0.0801  0.7500  0.9106  1
  Au  Au5  4  0.1736  0.2500  0.8956  1
  Au  Au6  4  0.1905  0.2500  0.2790  1
]