data_[Np2Cl2O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Cl  3.1600  1.0000  0.7800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1]
_cell_length_a [8.8587]
_cell_length_b [5.8426]
_cell_length_c [9.1876]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.7048]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [4]
_chemical_formula_structural [NpClO10]
_chemical_formula_sum '[Np2 Cl2 O20]'
_cell_volume [453.0109]
_cell_formula_units_Z [2]
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  2  0.1859  0.9598  0.5395  1
  Cl  Cl1  2  0.2780  0.5709  0.0271  1
  O  O2  2  0.0402  0.1976  0.4650  1
  O  O3  2  0.1318  0.8289  0.3524  1
  O  O4  2  0.1555  0.9960  0.7254  1
  O  O5  2  0.1636  0.5192  0.8805  1
  O  O6  2  0.1936  0.3838  0.1932  1
  O  O7  2  0.2837  0.8099  0.0714  1
  O  O8  2  0.3000  0.2544  0.2676  1
  O  O9  2  0.3328  0.7336  0.6089  1
  O  O10  2  0.3441  0.1742  0.6190  1
  O  O11  2  0.4311  0.4616  0.0552  1
]