data_[K8Np2S4Cl2O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Np  1.3600  1.7500  1.0000
  S  2.5800  1.0000  0.8800
  Cl  3.1600  1.0000  0.7800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [9.8862]
_cell_length_b [4.5170]
_cell_length_c [15.3572]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.4430]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [K4NpS2ClO10]
_chemical_formula_sum '[K8 Np2 S4 Cl2 O20]'
_cell_volume [619.2730]
_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
[
  K  K0  4  0.0614  0.2289  0.1311  1
  K  K1  4  0.3324  0.2369  0.8926  1
  Np  Np2  2  0.5000  0.2597  0.2500  1
  S  S3  4  0.2922  0.3446  0.5661  1
  Cl  Cl4  2  0.0000  0.2674  0.7500  1
  O  O5  4  0.1435  0.2493  0.5548  1
  O  O6  4  0.3064  0.3249  0.0773  1
  O  O7  4  0.3251  0.2522  0.4853  1
  O  O8  4  0.3436  0.2605  0.2849  1
  O  O9  4  0.4138  0.2314  0.6607  1
]