The crystal structure described by NpF4 crystallizes in the triclinic P-1 space group. There are three inequivalent Np sites. In the first Np site, Np(1) is bonded in a 8-coordinate geometry to one F(10), one F(11), one F(12), one F(13), one F(4), one F(5), one F(6), and one F(7) atom. In the second Np site, Np(2) is bonded in a 8-coordinate geometry to one F(1), one F(10), one F(13), one F(3), one F(5), one F(6), one F(8), and one F(9) atom. In the third Np site, Np(3) is bonded in a 8-coordinate geometry to one F(11), one F(12), one F(2), one F(3), one F(4), one F(7), one F(8), and one F(9) atom. There are thirteen inequivalent F sites. In the first F site, F(1) is bonded in a linear geometry to two equivalent Np(2) atoms. In the second F site, F(2) is bonded in a linear geometry to two equivalent Np(3) atoms. In the third F site, F(3) is bonded in a linear geometry to one Np(2) and one Np(3) atom. In the fourth F site, F(4) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(3) atom. In the fifth F site, F(5) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(2) atom. In the sixth F site, F(6) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(2) atom. In the seventh F site, F(7) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(3) atom. In the eighth F site, F(8) is bonded in a bent 150 degrees geometry to one Np(2) and one Np(3) atom. In the ninth F site, F(9) is bonded in a bent 150 degrees geometry to one Np(2) and one Np(3) atom. In the tenth F site, F(10) is bonded in a linear geometry to one Np(1) and one Np(2) atom. In the eleventh F site, F(11) is bonded in a linear geometry to one Np(1) and one Np(3) atom. In the twelfth F site, F(12) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(3) atom. In the thirteenth F site, F(13) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(2) atom. is represented by the CIF card [CIF]
data_NpF4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.326
_cell_length_b   8.322
_cell_length_c   8.306
_cell_angle_alpha   62.927
_cell_angle_beta   62.873
_cell_angle_gamma   81.109
_symmetry_Int_Tables_number   1
_cell_volume   455.081
_cell_formula_units_Z   6
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  0.215  0.784  0.751  1.0
  Np  Np1  1  0.785  0.216  0.249  1.0
  Np  Np2  1  0.634  0.779  0.167  1.0
  Np  Np3  1  0.222  0.365  0.333  1.0
  Np  Np4  1  0.366  0.221  0.833  1.0
  Np  Np5  1  0.778  0.635  0.667  1.0
  F  F6  1  0.500  0.000  0.000  1.0
  F  F7  1  0.000  0.500  0.500  1.0
  F  F8  1  0.604  0.397  0.750  1.0
  F  F9  1  0.396  0.603  0.250  1.0
  F  F10  1  0.186  0.597  0.072  1.0
  F  F11  1  0.400  0.811  0.428  1.0
  F  F12  1  0.814  0.403  0.928  1.0
  F  F13  1  0.600  0.189  0.572  1.0
  F  F14  1  0.936  0.828  0.953  1.0
  F  F15  1  0.176  0.063  0.544  1.0
  F  F16  1  0.064  0.172  0.047  1.0
  F  F17  1  0.824  0.937  0.456  1.0
  F  F18  1  0.318  0.258  0.107  1.0
  F  F19  1  0.743  0.684  0.392  1.0
  F  F20  1  0.682  0.742  0.893  1.0
  F  F21  1  0.257  0.316  0.608  1.0
  F  F22  1  0.741  0.500  0.213  1.0
  F  F23  1  0.500  0.258  0.288  1.0
  F  F24  1  0.259  0.500  0.787  1.0
  F  F25  1  0.500  0.742  0.712  1.0
  F  F26  1  0.970  0.276  0.350  1.0
  F  F27  1  0.723  0.032  0.149  1.0
  F  F28  1  0.030  0.724  0.650  1.0
  F  F29  1  0.277  0.968  0.851  1.0
[/CIF]
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The crystal structure described by NpF4 crystallizes in the triclinic P-1 space group. There are three inequivalent Np sites. In the first Np site, Np(1) is bonded in a 8-coordinate geometry to one F(10), one F(11), one F(12), one F(13), one F(4), one F(5), one F(6), and one F(7) atom. In the second Np site, Np(2) is bonded in a 8-coordinate geometry to one F(1), one F(10), one F(13), one F(3), one F(5), one F(6), one F(8), and one F(9) atom. In the third Np site, Np(3) is bonded in a 8-coordinate geometry to one F(11), one F(12), one F(2), one F(3), one F(4), one F(7), one F(8), and one F(9) atom. There are thirteen inequivalent F sites. In the first F site, F(1) is bonded in a linear geometry to two equivalent Np(2) atoms. In the second F site, F(2) is bonded in a linear geometry to two equivalent Np(3) atoms. In the third F site, F(3) is bonded in a linear geometry to one Np(2) and one Np(3) atom. In the fourth F site, F(4) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(3) atom. In the fifth F site, F(5) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(2) atom. In the sixth F site, F(6) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(2) atom. In the seventh F site, F(7) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(3) atom. In the eighth F site, F(8) is bonded in a bent 150 degrees geometry to one Np(2) and one Np(3) atom. In the ninth F site, F(9) is bonded in a bent 150 degrees geometry to one Np(2) and one Np(3) atom. In the tenth F site, F(10) is bonded in a linear geometry to one Np(1) and one Np(2) atom. In the eleventh F site, F(11) is bonded in a linear geometry to one Np(1) and one Np(3) atom. In the twelfth F site, F(12) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(3) atom. In the thirteenth F site, F(13) is bonded in a bent 150 degrees geometry to one Np(1) and one Np(2) atom. is represented by the CIF card [CIF]
data_NpF4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.326
_cell_length_b   8.322
_cell_length_c   8.306
_cell_angle_alpha   62.927
_cell_angle_beta   62.873
_cell_angle_gamma   81.109
_symmetry_Int_Tables_number   1
_cell_volume   455.081
_cell_formula_units_Z   6
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  0.215  0.784  0.751  1.0
  Np  Np1  1  0.785  0.216  0.249  1.0
  Np  Np2  1  0.634  0.779  0.167  1.0
  Np  Np3  1  0.222  0.365  0.333  1.0
  Np  Np4  1  0.366  0.221  0.833  1.0
  Np  Np5  1  0.778  0.635  0.667  1.0
  F  F6  1  0.500  0.000  0.000  1.0
  F  F7  1  0.000  0.500  0.500  1.0
  F  F8  1  0.604  0.397  0.750  1.0
  F  F9  1  0.396  0.603  0.250  1.0
  F  F10  1  0.186  0.597  0.072  1.0
  F  F11  1  0.400  0.811  0.428  1.0
  F  F12  1  0.814  0.403  0.928  1.0
  F  F13  1  0.600  0.189  0.572  1.0
  F  F14  1  0.936  0.828  0.953  1.0
  F  F15  1  0.176  0.063  0.544  1.0
  F  F16  1  0.064  0.172  0.047  1.0
  F  F17  1  0.824  0.937  0.456  1.0
  F  F18  1  0.318  0.258  0.107  1.0
  F  F19  1  0.743  0.684  0.392  1.0
  F  F20  1  0.682  0.742  0.893  1.0
  F  F21  1  0.257  0.316  0.608  1.0
  F  F22  1  0.741  0.500  0.213  1.0
  F  F23  1  0.500  0.258  0.288  1.0
  F  F24  1  0.259  0.500  0.787  1.0
  F  F25  1  0.500  0.742  0.712  1.0
  F  F26  1  0.970  0.276  0.350  1.0
  F  F27  1  0.723  0.032  0.149  1.0
  F  F28  1  0.030  0.724  0.650  1.0
  F  F29  1  0.277  0.968  0.851  1.0
[/CIF]
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