data_[Na2Li2]
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
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [3.4507]
_cell_length_b [4.5506]
_cell_length_c [7.1633]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.9025]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaLi]
_chemical_formula_sum '[Na2 Li2]'
_cell_volume [112.3379]
_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  0.2419  0.7500  0.8515  1.0
  Li  Li1  2  0.2566  0.7500  0.3993  1.0
]