The compound described by NpAgSeO5 crystallizes in the triclinic P-1 space group. There are two inequivalent Np sites. In the first Np site, Np(1) is bonded to one O(1), one O(10), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form distorted corner-sharing NpO7 pentagonal bipyramids. In the second Np site, Np(2) is bonded to one O(1), one O(10), one O(4), one O(6), one O(7), one O(8), and one O(9) atom to form distorted corner-sharing NpO7 pentagonal bipyramids. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(7), one O(8), and one O(9) atom. In the second Ag site, Ag(2) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(9), and two equivalent O(5) atoms. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a trigonal non-coplanar geometry to one O(2), one O(3), and one O(6) atom. In the second Se site, Se(2) is bonded in a distorted trigonal non-coplanar geometry to one O(5), one O(8), and one O(9) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Np(1) and one Np(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Np(1), one Ag(1), one Ag(2), and one Se(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Np(1), one Ag(1), one Ag(2), and one Se(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Np(1), one Np(2), and one Ag(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Np(1), two equivalent Ag(2), and one Se(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Np(2) and one Se(1) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one Np(1), one Np(2), and one Ag(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Np(2), one Ag(1), and one Se(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Np(2), one Ag(1), one Ag(2), and one Se(2) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Np(1) and one Np(2) atom. is represented by the CIF file [CIF]
data_NpAgSeO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.212
_cell_length_b   8.455
_cell_length_c   8.459
_cell_angle_alpha   89.345
_cell_angle_beta   102.648
_cell_angle_gamma   102.907
_symmetry_Int_Tables_number   1
_cell_volume   490.112
_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  0.504  0.756  0.257  1.0
  Np  Np1  1  0.387  0.718  0.737  1.0
  Np  Np2  1  0.613  0.282  0.263  1.0
  Np  Np3  1  0.496  0.244  0.743  1.0
  Ag  Ag4  1  0.811  0.025  0.007  1.0
  Ag  Ag5  1  0.189  0.975  0.993  1.0
  Ag  Ag6  1  0.883  0.095  0.600  1.0
  Ag  Ag7  1  0.117  0.905  0.400  1.0
  Se  Se8  1  0.094  0.369  0.883  1.0
  Se  Se9  1  0.906  0.631  0.117  1.0
  Se  Se10  1  0.849  0.712  0.653  1.0
  Se  Se11  1  0.151  0.288  0.347  1.0
  O  O12  1  0.412  0.706  0.964  1.0
  O  O13  1  0.147  0.745  0.173  1.0
  O  O14  1  0.205  0.215  0.841  1.0
  O  O15  1  0.795  0.785  0.159  1.0
  O  O16  1  0.366  0.735  0.510  1.0
  O  O17  1  0.219  0.173  0.515  1.0
  O  O18  1  0.886  0.511  0.279  1.0
  O  O19  1  0.522  0.983  0.229  1.0
  O  O20  1  0.853  0.255  0.827  1.0
  O  O21  1  0.634  0.265  0.490  1.0
  O  O22  1  0.262  0.210  0.212  1.0
  O  O23  1  0.088  0.820  0.721  1.0
  O  O24  1  0.493  0.533  0.277  1.0
  O  O25  1  0.478  0.017  0.771  1.0
  O  O26  1  0.507  0.467  0.723  1.0
  O  O27  1  0.912  0.180  0.279  1.0
  O  O28  1  0.588  0.294  0.036  1.0
  O  O29  1  0.781  0.827  0.485  1.0
  O  O30  1  0.114  0.489  0.721  1.0
  O  O31  1  0.738  0.790  0.788  1.0
[/CIF]
.
The compound described by NpAgSeO5 crystallizes in the triclinic P-1 space group. There are two inequivalent Np sites. In the first Np site, Np(1) is bonded to one O(1), one O(10), one O(2), one O(3), one O(4), one O(5), and one O(7) atom to form distorted corner-sharing NpO7 pentagonal bipyramids. In the second Np site, Np(2) is bonded to one O(1), one O(10), one O(4), one O(6), one O(7), one O(8), and one O(9) atom to form distorted corner-sharing NpO7 pentagonal bipyramids. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(7), one O(8), and one O(9) atom. In the second Ag site, Ag(2) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(9), and two equivalent O(5) atoms. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a trigonal non-coplanar geometry to one O(2), one O(3), and one O(6) atom. In the second Se site, Se(2) is bonded in a distorted trigonal non-coplanar geometry to one O(5), one O(8), and one O(9) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Np(1) and one Np(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Np(1), one Ag(1), one Ag(2), and one Se(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Np(1), one Ag(1), one Ag(2), and one Se(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Np(1), one Np(2), and one Ag(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Np(1), two equivalent Ag(2), and one Se(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Np(2) and one Se(1) atom. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one Np(1), one Np(2), and one Ag(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Np(2), one Ag(1), and one Se(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Np(2), one Ag(1), one Ag(2), and one Se(2) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Np(1) and one Np(2) atom. is represented by the CIF file [CIF]
data_NpAgSeO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.212
_cell_length_b   8.455
_cell_length_c   8.459
_cell_angle_alpha   89.345
_cell_angle_beta   102.648
_cell_angle_gamma   102.907
_symmetry_Int_Tables_number   1
_cell_volume   490.112
_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  0.504  0.756  0.257  1.0
  Np  Np1  1  0.387  0.718  0.737  1.0
  Np  Np2  1  0.613  0.282  0.263  1.0
  Np  Np3  1  0.496  0.244  0.743  1.0
  Ag  Ag4  1  0.811  0.025  0.007  1.0
  Ag  Ag5  1  0.189  0.975  0.993  1.0
  Ag  Ag6  1  0.883  0.095  0.600  1.0
  Ag  Ag7  1  0.117  0.905  0.400  1.0
  Se  Se8  1  0.094  0.369  0.883  1.0
  Se  Se9  1  0.906  0.631  0.117  1.0
  Se  Se10  1  0.849  0.712  0.653  1.0
  Se  Se11  1  0.151  0.288  0.347  1.0
  O  O12  1  0.412  0.706  0.964  1.0
  O  O13  1  0.147  0.745  0.173  1.0
  O  O14  1  0.205  0.215  0.841  1.0
  O  O15  1  0.795  0.785  0.159  1.0
  O  O16  1  0.366  0.735  0.510  1.0
  O  O17  1  0.219  0.173  0.515  1.0
  O  O18  1  0.886  0.511  0.279  1.0
  O  O19  1  0.522  0.983  0.229  1.0
  O  O20  1  0.853  0.255  0.827  1.0
  O  O21  1  0.634  0.265  0.490  1.0
  O  O22  1  0.262  0.210  0.212  1.0
  O  O23  1  0.088  0.820  0.721  1.0
  O  O24  1  0.493  0.533  0.277  1.0
  O  O25  1  0.478  0.017  0.771  1.0
  O  O26  1  0.507  0.467  0.723  1.0
  O  O27  1  0.912  0.180  0.279  1.0
  O  O28  1  0.588  0.294  0.036  1.0
  O  O29  1  0.781  0.827  0.485  1.0
  O  O30  1  0.114  0.489  0.721  1.0
  O  O31  1  0.738  0.790  0.788  1.0
[/CIF]
.