data_[Na4Li12Sn4]
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_1/c]
_cell_length_a [5.8674]
_cell_length_b [8.4885]
_cell_length_c [10.1506]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.6690]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [NaLi3Sn]
_chemical_formula_sum '[Na4 Li12 Sn4]'
_cell_volume [415.7966]
_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  0.1727  0.5447  0.1751  1.0
  Li  Li1  4  0.1331  0.1335  0.9104  1.0
  Li  Li2  4  0.3168  0.6330  0.5806  1.0
  Li  Li3  4  0.4263  0.6466  0.9103  1.0
  Sn  Sn4  4  0.2250  0.1592  0.2205  1.0
]