data_[Na4Ga2Si2Au12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ga  1.8100  1.3000  0.7600
  Si  1.9000  1.1000  0.5400
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [5.7075]
_cell_length_b [9.0514]
_cell_length_c [8.6079]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Na2GaSiAu6]
_chemical_formula_sum '[Na4 Ga2 Si2 Au12]'
_cell_volume [444.6901]
_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  4  0.0000  0.2415  0.2759  1.0
  Ga  Ga1  2  0.0000  0.5000  0.7274  1.0
  Si  Si2  2  0.0000  0.0000  0.7527  1.0
  Au  Au3  4  0.0000  0.2472  0.8712  1.0
  Au  Au4  4  0.2433  0.5000  0.4737  1.0
  Au  Au5  4  0.2484  0.5000  0.9918  1.0
]