data_[Np2Pb4Cl16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Np  1.3600  1.7500  1.0000
  Pb  2.3300  1.8000  1.1225
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [20.1169]
_cell_length_b [4.5577]
_cell_length_c [6.8920]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.0172]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Np(PbCl4)2]
_chemical_formula_sum '[Np2 Pb4 Cl16]'
_cell_volume [622.2732]
_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  0.0000  0.5000  0.0000  1
  Pb  Pb1  4  0.1646  0.0000  0.5998  1
  Cl  Cl2  4  0.0094  0.0000  0.7791  1
  Cl  Cl3  4  0.0940  0.5000  0.3820  1
  Cl  Cl4  4  0.1229  0.5000  0.9241  1
  Cl  Cl5  4  0.2378  0.0000  0.2941  1
]