data_[Na2Sn2Pb4Au4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sn  1.9600  1.4500  0.8300
  Pb  2.3300  1.8000  1.1225
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.5610]
_cell_length_b [8.8719]
_cell_length_c [7.5912]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [NaSn(PbAu)2]
_chemical_formula_sum '[Na2 Sn2 Pb4 Au4]'
_cell_volume [307.1746]
_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  0.4287  0.4911  1
  Sn  Sn1  2  0.5000  0.3239  0.1627  1
  Pb  Pb2  2  0.0000  0.1744  0.8436  1
  Pb  Pb3  2  0.5000  0.0796  0.5156  1
  Au  Au4  2  0.0000  0.1541  0.2422  1
  Au  Au5  2  0.5000  0.3847  0.7905  1
]