data_[Cs3Np3Ag6Cl18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Np  1.3600  1.7500  1.0000
  Ag  1.9300  1.6000  1.0867
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.5781]
_cell_length_b [7.5781]
_cell_length_c [20.1284]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [CsNp(AgCl3)2]
_chemical_formula_sum '[Cs3 Np3 Ag6 Cl18]'
_cell_volume [1001.0694]
_cell_formula_units_Z [3]
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
[
  Cs  Cs0  3  0.0000  0.0000  0.4987  1
  Np  Np1  3  0.0000  0.0000  0.9977  1
  Ag  Ag2  3  0.0000  0.0000  0.2014  1
  Ag  Ag3  3  0.0000  0.0000  0.7532  1
  Cl  Cl4  9  0.0064  0.6202  0.5956  1
  Cl  Cl5  9  0.0942  0.3694  0.7582  1
]