data_[Na8Li4Sn8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Li  0.9800  1.4500  0.9000
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [12.4688]
_cell_length_b [5.6332]
_cell_length_c [7.9764]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.8305]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Na2LiSn2]
_chemical_formula_sum '[Na8 Li4 Sn8]'
_cell_volume [520.0794]
_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  8  0.1962  0.3607  0.1514  1.0
  Li  Li1  4  0.0000  0.3159  0.7500  1.0
  Sn  Sn2  8  0.0790  0.1550  0.4477  1.0
]