data_[Na6Li2Np4N12]
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
  Np  1.3600  1.7500  1.0000
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.9079]
_cell_length_b [10.0228]
_cell_length_c [5.9755]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.3829]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3LiNp2N6]
_chemical_formula_sum '[Na6 Li2 Np4 N12]'
_cell_volume [331.6762]
_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  0.0000  0.1562  0.5000  1
  Na  Na1  2  0.0000  0.5000  0.5000  1
  Li  Li2  2  0.0000  0.0000  0.0000  1
  Np  Np3  4  0.0000  0.3320  0.0000  1
  N  N4  8  0.2488  0.1885  0.1873  1
  N  N5  4  0.1872  0.5000  0.1935  1
]