data_[Na4Li4Sb2O8]
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
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.1778]
_cell_length_b [3.3440]
_cell_length_c [7.9217]
_cell_angle_alpha [90.0000]
_cell_angle_beta [127.8846]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Li2SbO4]
_chemical_formula_sum '[Na4 Li4 Sb2 O8]'
_cell_volume [233.7021]
_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  4  0.1768  0.0000  0.7833  1
  Li  Li1  4  0.1573  0.5000  0.3810  1
  Sb  Sb2  2  0.0000  0.0000  0.0000  1
  O  O3  4  0.0618  0.5000  0.8864  1
  O  O4  4  0.2154  0.0000  0.3045  1
]