data_[Na2Sn10Au8]
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 [C2/m]
_cell_length_a [16.8606]
_cell_length_b [4.6529]
_cell_length_c [6.6376]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.6195]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NaSn5Au4]
_chemical_formula_sum '[Na2 Sn10 Au8]'
_cell_volume [484.0881]
_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  0.5000  0.0000  1
  Sn  Sn1  4  0.1352  0.0000  0.2471  1
  Sn  Sn2  4  0.2176  0.0000  0.8143  1
  Sn  Sn3  2  0.0000  0.5000  0.5000  1
  Au  Au4  4  0.0455  0.0000  0.7794  1
  Au  Au5  4  0.1734  0.5000  0.5122  1
]