The structure described by Np3S5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Np sites. In the first Np site, Np(1) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), two equivalent S(3), and two equivalent S(4) atoms. In the second Np site, Np(2) is bonded to one S(1), one S(2), one S(4), and four equivalent S(3) atoms to form distorted edge-sharing NpS7 pentagonal bipyramids. There are four inequivalent S sites. In the first S site, S(1) is bonded to one Np(2) and four equivalent Np(1) atoms to form distorted SNp5 trigonal bipyramids that share  a cornercorner with one S(4)Np5 square pyramid, corners with five equivalent S(2)Np5 square pyramids, corners with four equivalent S(1)Np5 trigonal bipyramids, corners with four equivalent S(3)Np4 trigonal pyramids, edges with two equivalent S(2)Np5 square pyramids, edges with four equivalent S(4)Np5 square pyramids, and edges with four equivalent S(3)Np4 trigonal pyramids. In the second S site, S(2) is bonded to one Np(2) and four equivalent Np(1) atoms to form SNp5 square pyramids that share corners with four equivalent S(4)Np5 square pyramids, corners with five equivalent S(1)Np5 trigonal bipyramids, corners with eight equivalent S(3)Np4 trigonal pyramids,  an edgeedge with one S(4)Np5 square pyramid, edges with two equivalent S(2)Np5 square pyramids, edges with two equivalent S(1)Np5 trigonal bipyramids, edges with two equivalent S(3)Np4 trigonal pyramids, and  a faceface with one S(4)Np5 square pyramid. In the third S site, S(3) is bonded to two equivalent Np(1) and two equivalent Np(2) atoms to form distorted SNp4 trigonal pyramids that share corners with two equivalent S(4)Np5 square pyramids, corners with four equivalent S(2)Np5 square pyramids, corners with two equivalent S(1)Np5 trigonal bipyramids, corners with six equivalent S(3)Np4 trigonal pyramids,  an edgeedge with one S(2)Np5 square pyramid, edges with two equivalent S(4)Np5 square pyramids, edges with two equivalent S(1)Np5 trigonal bipyramids, and  an edgeedge with one S(3)Np4 trigonal pyramid. In the fourth S site, S(4) is bonded to one Np(2) and four equivalent Np(1) atoms to form SNp5 square pyramids that share corners with four equivalent S(2)Np5 square pyramids, corners with four equivalent S(4)Np5 square pyramids,  a cornercorner with one S(1)Np5 trigonal bipyramid, corners with four equivalent S(3)Np4 trigonal pyramids,  an edgeedge with one S(2)Np5 square pyramid, edges with four equivalent S(1)Np5 trigonal bipyramids, edges with four equivalent S(3)Np4 trigonal pyramids, and  a faceface with one S(2)Np5 square pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Np3S5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.478
_cell_length_b   8.077
_cell_length_c   11.841
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   715.172
_cell_formula_units_Z   4
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  0.022  0.002  0.676  1.0
  Np  Np1  1  0.522  0.998  0.824  1.0
  Np  Np2  1  0.478  0.498  0.176  1.0
  Np  Np3  1  0.978  0.502  0.324  1.0
  Np  Np4  1  0.978  0.998  0.324  1.0
  Np  Np5  1  0.478  0.002  0.176  1.0
  Np  Np6  1  0.522  0.502  0.824  1.0
  Np  Np7  1  0.022  0.498  0.676  1.0
  Np  Np8  1  0.561  0.250  0.505  1.0
  Np  Np9  1  0.061  0.750  0.995  1.0
  Np  Np10  1  0.939  0.250  0.005  1.0
  Np  Np11  1  0.439  0.750  0.495  1.0
  S  S12  1  0.334  0.250  0.688  1.0
  S  S13  1  0.834  0.750  0.812  1.0
  S  S14  1  0.166  0.250  0.188  1.0
  S  S15  1  0.666  0.750  0.312  1.0
  S  S16  1  0.957  0.250  0.501  1.0
  S  S17  1  0.457  0.750  0.999  1.0
  S  S18  1  0.543  0.250  0.001  1.0
  S  S19  1  0.043  0.750  0.499  1.0
  S  S20  1  0.666  0.538  0.597  1.0
  S  S21  1  0.166  0.462  0.903  1.0
  S  S22  1  0.834  0.962  0.097  1.0
  S  S23  1  0.334  0.038  0.403  1.0
  S  S24  1  0.334  0.462  0.403  1.0
  S  S25  1  0.834  0.538  0.097  1.0
  S  S26  1  0.166  0.038  0.903  1.0
  S  S27  1  0.666  0.962  0.597  1.0
  S  S28  1  0.807  0.250  0.788  1.0
  S  S29  1  0.307  0.750  0.712  1.0
  S  S30  1  0.693  0.250  0.288  1.0
  S  S31  1  0.193  0.750  0.212  1.0
[/CIF]
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The structure described by Np3S5 crystallizes in the orthorhombic Pnma space group. There are two inequivalent Np sites. In the first Np site, Np(1) is bonded in a 8-coordinate geometry to two equivalent S(1), two equivalent S(2), two equivalent S(3), and two equivalent S(4) atoms. In the second Np site, Np(2) is bonded to one S(1), one S(2), one S(4), and four equivalent S(3) atoms to form distorted edge-sharing NpS7 pentagonal bipyramids. There are four inequivalent S sites. In the first S site, S(1) is bonded to one Np(2) and four equivalent Np(1) atoms to form distorted SNp5 trigonal bipyramids that share  a cornercorner with one S(4)Np5 square pyramid, corners with five equivalent S(2)Np5 square pyramids, corners with four equivalent S(1)Np5 trigonal bipyramids, corners with four equivalent S(3)Np4 trigonal pyramids, edges with two equivalent S(2)Np5 square pyramids, edges with four equivalent S(4)Np5 square pyramids, and edges with four equivalent S(3)Np4 trigonal pyramids. In the second S site, S(2) is bonded to one Np(2) and four equivalent Np(1) atoms to form SNp5 square pyramids that share corners with four equivalent S(4)Np5 square pyramids, corners with five equivalent S(1)Np5 trigonal bipyramids, corners with eight equivalent S(3)Np4 trigonal pyramids,  an edgeedge with one S(4)Np5 square pyramid, edges with two equivalent S(2)Np5 square pyramids, edges with two equivalent S(1)Np5 trigonal bipyramids, edges with two equivalent S(3)Np4 trigonal pyramids, and  a faceface with one S(4)Np5 square pyramid. In the third S site, S(3) is bonded to two equivalent Np(1) and two equivalent Np(2) atoms to form distorted SNp4 trigonal pyramids that share corners with two equivalent S(4)Np5 square pyramids, corners with four equivalent S(2)Np5 square pyramids, corners with two equivalent S(1)Np5 trigonal bipyramids, corners with six equivalent S(3)Np4 trigonal pyramids,  an edgeedge with one S(2)Np5 square pyramid, edges with two equivalent S(4)Np5 square pyramids, edges with two equivalent S(1)Np5 trigonal bipyramids, and  an edgeedge with one S(3)Np4 trigonal pyramid. In the fourth S site, S(4) is bonded to one Np(2) and four equivalent Np(1) atoms to form SNp5 square pyramids that share corners with four equivalent S(2)Np5 square pyramids, corners with four equivalent S(4)Np5 square pyramids,  a cornercorner with one S(1)Np5 trigonal bipyramid, corners with four equivalent S(3)Np4 trigonal pyramids,  an edgeedge with one S(2)Np5 square pyramid, edges with four equivalent S(1)Np5 trigonal bipyramids, edges with four equivalent S(3)Np4 trigonal pyramids, and  a faceface with one S(2)Np5 square pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Np3S5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.478
_cell_length_b   8.077
_cell_length_c   11.841
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   715.172
_cell_formula_units_Z   4
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  0.022  0.002  0.676  1.0
  Np  Np1  1  0.522  0.998  0.824  1.0
  Np  Np2  1  0.478  0.498  0.176  1.0
  Np  Np3  1  0.978  0.502  0.324  1.0
  Np  Np4  1  0.978  0.998  0.324  1.0
  Np  Np5  1  0.478  0.002  0.176  1.0
  Np  Np6  1  0.522  0.502  0.824  1.0
  Np  Np7  1  0.022  0.498  0.676  1.0
  Np  Np8  1  0.561  0.250  0.505  1.0
  Np  Np9  1  0.061  0.750  0.995  1.0
  Np  Np10  1  0.939  0.250  0.005  1.0
  Np  Np11  1  0.439  0.750  0.495  1.0
  S  S12  1  0.334  0.250  0.688  1.0
  S  S13  1  0.834  0.750  0.812  1.0
  S  S14  1  0.166  0.250  0.188  1.0
  S  S15  1  0.666  0.750  0.312  1.0
  S  S16  1  0.957  0.250  0.501  1.0
  S  S17  1  0.457  0.750  0.999  1.0
  S  S18  1  0.543  0.250  0.001  1.0
  S  S19  1  0.043  0.750  0.499  1.0
  S  S20  1  0.666  0.538  0.597  1.0
  S  S21  1  0.166  0.462  0.903  1.0
  S  S22  1  0.834  0.962  0.097  1.0
  S  S23  1  0.334  0.038  0.403  1.0
  S  S24  1  0.334  0.462  0.403  1.0
  S  S25  1  0.834  0.538  0.097  1.0
  S  S26  1  0.166  0.038  0.903  1.0
  S  S27  1  0.666  0.962  0.597  1.0
  S  S28  1  0.807  0.250  0.788  1.0
  S  S29  1  0.307  0.750  0.712  1.0
  S  S30  1  0.693  0.250  0.288  1.0
  S  S31  1  0.193  0.750  0.212  1.0
[/CIF]
.