data_[Na4Li4Np4N12]
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 [Cmcm]
_cell_length_a [3.1301]
_cell_length_b [10.8523]
_cell_length_c [11.6843]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [NaLiNpN3]
_chemical_formula_sum '[Na4 Li4 Np4 N12]'
_cell_volume [396.9017]
_cell_formula_units_Z [4]
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  0.0000  0.0000  1
  Li  Li1  4  0.0000  0.4199  0.2500  1
  Np  Np2  4  0.0000  0.1560  0.2500  1
  N  N3  8  0.0000  0.4155  0.6440  1
  N  N4  4  0.0000  0.2081  0.7500  1
]