data_[Na4Sn10Au2]
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
  Au  2.5400  1.3500  1.0700
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [7.0037]
_cell_length_b [9.6933]
_cell_length_c [6.3730]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Na2Sn5Au]
_chemical_formula_sum '[Na4 Sn10 Au2]'
_cell_volume [432.6546]
_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  0.5497  1.0
  Na  Na1  2  0.0000  0.5000  0.3884  1.0
  Sn  Sn2  8  0.2364  0.2719  0.7898  1.0
  Sn  Sn3  2  0.0000  0.0000  0.0404  1.0
  Au  Au4  2  0.0000  0.5000  0.8618  1.0
]