The structure described by NpCl4 crystallizes in the tetragonal I4_1/amd space group. Np(1) is bonded in a 8-coordinate geometry to eight equivalent Cl(1) atoms. Cl(1) is bonded in a water-like geometry to two equivalent Np(1) atoms. is represented by the CIF card [CIF]
data_NpCl4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.048
_cell_length_b   7.048
_cell_length_c   7.048
_cell_angle_alpha   107.678
_cell_angle_beta   107.678
_cell_angle_gamma   113.121
_symmetry_Int_Tables_number   1
_cell_volume   268.659
_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  1  0.750  0.250  0.500  1.0
  Np  Np1  1  0.000  0.000  0.000  1.0
  Cl  Cl2  1  0.247  0.935  0.311  1.0
  Cl  Cl3  1  0.685  0.497  0.811  1.0
  Cl  Cl4  1  0.065  0.753  0.689  1.0
  Cl  Cl5  1  0.503  0.315  0.189  1.0
  Cl  Cl6  1  0.126  0.315  0.811  1.0
  Cl  Cl7  1  0.065  0.376  0.311  1.0
  Cl  Cl8  1  0.624  0.935  0.689  1.0
  Cl  Cl9  1  0.685  0.874  0.189  1.0
[/CIF]
.
The structure described by NpCl4 crystallizes in the tetragonal I4_1/amd space group. Np(1) is bonded in a 8-coordinate geometry to eight equivalent Cl(1) atoms. Cl(1) is bonded in a water-like geometry to two equivalent Np(1) atoms. is represented by the CIF card [CIF]
data_NpCl4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.048
_cell_length_b   7.048
_cell_length_c   7.048
_cell_angle_alpha   107.678
_cell_angle_beta   107.678
_cell_angle_gamma   113.121
_symmetry_Int_Tables_number   1
_cell_volume   268.659
_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  1  0.750  0.250  0.500  1.0
  Np  Np1  1  0.000  0.000  0.000  1.0
  Cl  Cl2  1  0.247  0.935  0.311  1.0
  Cl  Cl3  1  0.685  0.497  0.811  1.0
  Cl  Cl4  1  0.065  0.753  0.689  1.0
  Cl  Cl5  1  0.503  0.315  0.189  1.0
  Cl  Cl6  1  0.126  0.315  0.811  1.0
  Cl  Cl7  1  0.065  0.376  0.311  1.0
  Cl  Cl8  1  0.624  0.935  0.689  1.0
  Cl  Cl9  1  0.685  0.874  0.189  1.0
[/CIF]
.