data_[Na12Li4Sn4]
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 [P2/c]
_cell_length_a [9.2851]
_cell_length_b [6.2709]
_cell_length_c [10.1895]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.9356]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [Na3LiSn]
_chemical_formula_sum '[Na12 Li4 Sn4]'
_cell_volume [578.2394]
_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  0.1140  0.0068  0.4034  1
  Na  Na1  4  0.2978  0.2272  0.7002  1
  Na  Na2  4  0.4835  0.2693  0.4059  1
  Li  Li3  4  0.0986  0.4917  0.4016  1
  Sn  Sn4  4  0.1956  0.2905  0.1644  1
]