data_[Mg4Np4P8N24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Np  1.3600  1.7500  1.0000
  P  2.1900  1.0000  0.5500
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.8912]
_cell_length_b [9.1028]
_cell_length_c [5.1473]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.9943]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [MgNp(PN3)2]
_chemical_formula_sum '[Mg4 Np4 P8 N24]'
_cell_volume [447.6754]
_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
[
  Mg  Mg0  4  0.0000  0.0864  0.7500  1
  Np  Np1  4  0.0000  0.2919  0.2500  1
  P  P2  8  0.2102  0.4146  0.7676  1
  N  N3  8  0.1208  0.2704  0.6260  1
  N  N4  8  0.1221  0.1046  0.1514  1
  N  N5  8  0.1514  0.4546  0.0347  1
]