data_[Na2Li6Cl8]
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
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [8.1412]
_cell_length_b [7.0205]
_cell_length_c [6.3704]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [NaLi3Cl4]
_chemical_formula_sum '[Na2 Li6 Cl8]'
_cell_volume [364.1003]
_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  0.1627  0.0127  1.0
  Li  Li1  4  0.2473  0.3370  0.5072  1.0
  Li  Li2  2  0.0000  0.8203  0.5040  1.0
  Cl  Cl3  4  0.2307  0.6542  0.6341  1.0
  Cl  Cl4  2  0.0000  0.1565  0.5850  1.0
  Cl  Cl5  2  0.0000  0.7985  0.1310  1.0
]