data_[Na4Li4Sn12]
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 [Pnma]
_cell_length_a [6.3636]
_cell_length_b [12.2503]
_cell_length_c [6.8332]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [NaLiSn3]
_chemical_formula_sum '[Na4 Li4 Sn12]'
_cell_volume [532.6889]
_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  0.0000  0.0000  0.5000  1.0
  Li  Li1  4  0.1170  0.7500  0.6082  1.0
  Sn  Sn2  8  0.0050  0.6174  0.9372  1.0
  Sn  Sn3  4  0.1914  0.2500  0.7173  1.0
]