data_[Na4Bi4Au8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Bi  2.0200  1.6000  1.0350
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [9.5485]
_cell_length_b [7.3299]
_cell_length_c [5.7607]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [NaBiAu2]
_chemical_formula_sum '[Na4 Bi4 Au8]'
_cell_volume [403.1877]
_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  0.0620  0.2500  0.6067  1
  Bi  Bi1  4  0.0845  0.7500  0.9008  1
  Au  Au2  8  0.2211  0.0518  0.1098  1
]