data_[Na3Ce3Np12N24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ce  1.1200  1.8500  1.0800
  Np  1.3600  1.7500  1.0000
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [6.9015]
_cell_length_b [6.9015]
_cell_length_c [15.9213]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [NaCeNp4N8]
_chemical_formula_sum '[Na3 Ce3 Np12 N24]'
_cell_volume [656.7522]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0012  1
  Ce  Ce1  3  0.0000  0.0000  0.6114  1
  Np  Np2  9  0.0016  0.5008  0.5000  1
  Np  Np3  3  0.0000  0.0000  0.3841  1
  N  N4  9  0.0174  0.5087  0.7667  1
  N  N5  9  0.1830  0.3659  0.5668  1
  N  N6  3  0.0000  0.0000  0.2402  1
  N  N7  3  0.0000  0.0000  0.7628  1
]