data_[Np8W4N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  W  2.3600  1.3500  0.7667
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.6833]
_cell_length_b [5.1159]
_cell_length_c [6.1580]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.8566]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Np2WN2]
_chemical_formula_sum '[Np8 W4 N8]'
_cell_volume [281.1059]
_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
[
  Np  Np0  4  0.0106  0.0000  0.7097  1
  Np  Np1  4  0.1980  0.5000  0.1311  1
  W  W2  4  0.1550  0.5000  0.5926  1
  N  N3  4  0.0042  0.5000  0.7585  1
  N  N4  4  0.1570  0.0000  0.1090  1
]