data_[Np4P4Cl4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  P  2.1900  1.0000  0.5500
  Cl  3.1600  1.0000  0.7800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.7495]
_cell_length_b [6.9493]
_cell_length_c [6.5337]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.3073]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NpPClO4]
_chemical_formula_sum '[Np4 P4 Cl4 O16]'
_cell_volume [428.9462]
_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  0.2364  0.0000  0.1513  1
  P  P1  4  0.1365  0.5000  0.2640  1
  Cl  Cl2  4  0.0198  0.0000  0.7649  1
  O  O3  8  0.1880  0.3248  0.1496  1
  O  O4  4  0.0241  0.5000  0.7688  1
  O  O5  4  0.2115  0.5000  0.5002  1
]