data_[Na4Li4Ni2O8]
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
  Ni  1.9100  1.3500  0.7400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.4507]
_cell_length_b [3.0953]
_cell_length_c [5.8969]
_cell_angle_alpha [90.0000]
_cell_angle_beta [117.1773]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Li2NiO4]
_chemical_formula_sum '[Na4 Li4 Ni2 O8]'
_cell_volume [185.9355]
_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  0.1500  0.0000  0.5291  1.0
  Li  Li1  4  0.1732  0.5000  0.9753  1.0
  Ni  Ni2  2  0.0000  0.0000  0.0000  1.0
  O  O3  4  0.0053  0.5000  0.2222  1.0
  O  O4  4  0.1960  0.0000  0.1642  1.0
]