The structure described by NbON is Baddeleyite-derived structured and crystallizes in the triclinic P1 space group. There are eight inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one N(1), one N(3), one N(5), one N(8), one O(1), one O(4), and one O(8) atom to form distorted NbN4O3 pentagonal bipyramids that share  a cornercorner with one Nb(3)N3O4 pentagonal bipyramid,  a cornercorner with one Nb(2)N4O3 pentagonal bipyramid,  an edgeedge with one Nb(3)N3O4 pentagonal bipyramid,  an edgeedge with one Nb(2)N4O3 pentagonal bipyramid, edges with two equivalent Nb(7)N4O3 pentagonal bipyramids, and edges with three equivalent Nb(6)N4O3 pentagonal bipyramids. In the second Nb site, Nb(2) is bonded to one N(1), one N(2), one N(5), one N(7), one O(1), one O(2), and one O(6) atom to form a mixture of distorted corner and edge-sharing NbN4O3 pentagonal bipyramids. In the third Nb site, Nb(3) is bonded to one N(3), one N(6), one N(8), one O(3), one O(4), one O(5), and one O(7) atom to form a mixture of distorted corner and edge-sharing NbN3O4 pentagonal bipyramids. In the fourth Nb site, Nb(4) is bonded to one N(2), one N(4), one N(6), one N(7), one O(2), one O(3), and one O(5) atom to form distorted NbN4O3 pentagonal bipyramids that share  a cornercorner with one Nb(3)N3O4 pentagonal bipyramid,  a cornercorner with one Nb(2)N4O3 pentagonal bipyramid, corners with two equivalent Nb(7)N4O3 pentagonal bipyramids,  an edgeedge with one Nb(3)N3O4 pentagonal bipyramid,  an edgeedge with one Nb(2)N4O3 pentagonal bipyramid, and edges with three equivalent Nb(5)N4O3 pentagonal bipyramids. In the fifth Nb site, Nb(5) is bonded to one N(2), one N(4), one N(6), one N(7), one O(2), one O(5), and one O(6) atom to form distorted NbN4O3 pentagonal bipyramids that share  a cornercorner with one Nb(7)N4O3 pentagonal bipyramid, corners with two equivalent Nb(3)N3O4 pentagonal bipyramids,  an edgeedge with one Nb(7)N4O3 pentagonal bipyramid, edges with two equivalent Nb(2)N4O3 pentagonal bipyramids, and edges with three equivalent Nb(4)N4O3 pentagonal bipyramids. In the sixth Nb site, Nb(6) is bonded to one N(1), one N(3), one N(5), one N(8), one O(4), one O(7), and one O(8) atom to form distorted NbN4O3 pentagonal bipyramids that share  a cornercorner with one Nb(7)N4O3 pentagonal bipyramid, corners with two equivalent Nb(2)N4O3 pentagonal bipyramids,  an edgeedge with one Nb(7)N4O3 pentagonal bipyramid, edges with two equivalent Nb(3)N3O4 pentagonal bipyramids, and edges with three equivalent Nb(1)N4O3 pentagonal bipyramids. In the seventh Nb site, Nb(7) is bonded to one N(1), one N(2), one N(5), one N(7), one O(1), one O(6), and one O(8) atom to form a mixture of distorted corner and edge-sharing NbN4O3 pentagonal bipyramids. In the eighth Nb site, Nb(8) is bonded in a 7-coordinate geometry to one N(3), one N(4), one N(6), one N(8), one O(3), one O(5), and one O(7) atom. There are eight inequivalent N sites. In the first N site, N(1) is bonded to one Nb(1), one Nb(2), one Nb(6), and one Nb(7) atom to form a mixture of corner and edge-sharing NNb4 tetrahedra. In the second N site, N(2) is bonded to one Nb(2), one Nb(4), one Nb(5), and one Nb(7) atom to form NNb4 tetrahedra that share corners with two equivalent N(5)Nb4 tetrahedra, corners with two equivalent N(6)Nb4 tetrahedra,  an edgeedge with one N(1)Nb4 tetrahedra,  an edgeedge with one O(5)Nb4 tetrahedra, and edges with two equivalent N(7)Nb4 tetrahedra. In the third N site, N(3) is bonded to one Nb(1), one Nb(3), one Nb(6), and one Nb(8) atom to form NNb4 tetrahedra that share corners with two equivalent N(5)Nb4 tetrahedra, corners with two equivalent N(6)Nb4 tetrahedra,  an edgeedge with one N(1)Nb4 tetrahedra,  an edgeedge with one O(5)Nb4 tetrahedra, and edges with two equivalent N(8)Nb4 tetrahedra. In the fourth N site, N(4) is bonded in a 3-coordinate geometry to one Nb(4), one Nb(5), and one Nb(8) atom. In the fifth N site, N(5) is bonded to one Nb(1), one Nb(2), one Nb(6), and one Nb(7) atom to form a mixture of corner and edge-sharing NNb4 tetrahedra. In the sixth N site, N(6) is bonded to one Nb(3), one Nb(4), one Nb(5), and one Nb(8) atom to form NNb4 tetrahedra that share corners with two equivalent N(2)Nb4 tetrahedra, corners with two equivalent N(3)Nb4 tetrahedra,  an edgeedge with one N(7)Nb4 tetrahedra,  an edgeedge with one N(8)Nb4 tetrahedra, and edges with two equivalent O(5)Nb4 tetrahedra. In the seventh N site, N(7) is bonded to one Nb(2), one Nb(4), one Nb(5), and one Nb(7) atom to form NNb4 tetrahedra that share corners with two equivalent N(1)Nb4 tetrahedra, corners with two equivalent O(5)Nb4 tetrahedra,  an edgeedge with one N(5)Nb4 tetrahedra,  an edgeedge with one N(6)Nb4 tetrahedra, and edges with two equivalent N(2)Nb4 tetrahedra. In the eighth N site, N(8) is bonded to one Nb(1), one Nb(3), one Nb(6), and one Nb(8) atom to form NNb4 tetrahedra that share corners with two equivalent N(1)Nb4 tetrahedra, corners with two equivalent O(5)Nb4 tetrahedra,  an edgeedge with one N(5)Nb4 tetrahedra,  an edgeedge with one N(6)Nb4 tetrahedra, and edges with two equivalent N(3)Nb4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Nb(1), one Nb(2), and one Nb(7) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Nb(2), one Nb(4), and one Nb(5) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Nb(3), one Nb(4), and one Nb(8) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Nb(1), one Nb(3), and one Nb(6) atom. In the fifth O site, O(5) is bonded to one Nb(3), one Nb(4), one Nb(5), and one Nb(8) atom to form ONb4 tetrahedra that share corners with two equivalent N(7)Nb4 tetrahedra, corners with two equivalent N(8)Nb4 tetrahedra,  an edgeedge with one N(2)Nb4 tetrahedra,  an edgeedge with one N(3)Nb4 tetrahedra, and edges with two equivalent N(6)Nb4 tetrahedra. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Nb(2), one Nb(5), and one Nb(7) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Nb(3), one Nb(6), and one Nb(8) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Nb(1), one Nb(6), and one Nb(7) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_NbNO
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.037
_cell_length_b   5.263
_cell_length_c   10.234
_cell_angle_alpha   90.240
_cell_angle_beta   89.977
_cell_angle_gamma   99.873
_symmetry_Int_Tables_number   1
_cell_volume   267.281
_cell_formula_units_Z   8
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
  Nb  Nb0  1  0.795  0.967  0.508  1.0
  Nb  Nb1  1  0.201  0.035  0.757  1.0
  Nb  Nb2  1  0.211  0.026  0.264  1.0
  Nb  Nb3  1  0.789  0.960  0.009  1.0
  Nb  Nb4  1  0.215  0.541  0.959  1.0
  Nb  Nb5  1  0.202  0.527  0.461  1.0
  Nb  Nb6  1  0.793  0.469  0.710  1.0
  Nb  Nb7  1  0.782  0.475  0.205  1.0
  N  N8  1  0.057  0.272  0.608  1.0
  N  N9  1  0.943  0.233  0.867  1.0
  N  N10  1  0.947  0.222  0.363  1.0
  N  N11  1  0.561  0.591  0.069  1.0
  N  N12  1  0.059  0.772  0.611  1.0
  N  N13  1  0.065  0.778  0.113  1.0
  N  N14  1  0.940  0.733  0.854  1.0
  N  N15  1  0.942  0.725  0.357  1.0
  O  O16  1  0.563  0.091  0.649  1.0
  O  O17  1  0.435  0.909  0.896  1.0
  O  O18  1  0.570  0.092  0.150  1.0
  O  O19  1  0.437  0.902  0.399  1.0
  O  O20  1  0.060  0.273  0.108  1.0
  O  O21  1  0.435  0.411  0.816  1.0
  O  O22  1  0.434  0.405  0.320  1.0
  O  O23  1  0.564  0.590  0.568  1.0
[/CIF]
.
The structure described by NbON is Baddeleyite-derived structured and crystallizes in the triclinic P1 space group. There are eight inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one N(1), one N(3), one N(5), one N(8), one O(1), one O(4), and one O(8) atom to form distorted NbN4O3 pentagonal bipyramids that share  a cornercorner with one Nb(3)N3O4 pentagonal bipyramid,  a cornercorner with one Nb(2)N4O3 pentagonal bipyramid,  an edgeedge with one Nb(3)N3O4 pentagonal bipyramid,  an edgeedge with one Nb(2)N4O3 pentagonal bipyramid, edges with two equivalent Nb(7)N4O3 pentagonal bipyramids, and edges with three equivalent Nb(6)N4O3 pentagonal bipyramids. In the second Nb site, Nb(2) is bonded to one N(1), one N(2), one N(5), one N(7), one O(1), one O(2), and one O(6) atom to form a mixture of distorted corner and edge-sharing NbN4O3 pentagonal bipyramids. In the third Nb site, Nb(3) is bonded to one N(3), one N(6), one N(8), one O(3), one O(4), one O(5), and one O(7) atom to form a mixture of distorted corner and edge-sharing NbN3O4 pentagonal bipyramids. In the fourth Nb site, Nb(4) is bonded to one N(2), one N(4), one N(6), one N(7), one O(2), one O(3), and one O(5) atom to form distorted NbN4O3 pentagonal bipyramids that share  a cornercorner with one Nb(3)N3O4 pentagonal bipyramid,  a cornercorner with one Nb(2)N4O3 pentagonal bipyramid, corners with two equivalent Nb(7)N4O3 pentagonal bipyramids,  an edgeedge with one Nb(3)N3O4 pentagonal bipyramid,  an edgeedge with one Nb(2)N4O3 pentagonal bipyramid, and edges with three equivalent Nb(5)N4O3 pentagonal bipyramids. In the fifth Nb site, Nb(5) is bonded to one N(2), one N(4), one N(6), one N(7), one O(2), one O(5), and one O(6) atom to form distorted NbN4O3 pentagonal bipyramids that share  a cornercorner with one Nb(7)N4O3 pentagonal bipyramid, corners with two equivalent Nb(3)N3O4 pentagonal bipyramids,  an edgeedge with one Nb(7)N4O3 pentagonal bipyramid, edges with two equivalent Nb(2)N4O3 pentagonal bipyramids, and edges with three equivalent Nb(4)N4O3 pentagonal bipyramids. In the sixth Nb site, Nb(6) is bonded to one N(1), one N(3), one N(5), one N(8), one O(4), one O(7), and one O(8) atom to form distorted NbN4O3 pentagonal bipyramids that share  a cornercorner with one Nb(7)N4O3 pentagonal bipyramid, corners with two equivalent Nb(2)N4O3 pentagonal bipyramids,  an edgeedge with one Nb(7)N4O3 pentagonal bipyramid, edges with two equivalent Nb(3)N3O4 pentagonal bipyramids, and edges with three equivalent Nb(1)N4O3 pentagonal bipyramids. In the seventh Nb site, Nb(7) is bonded to one N(1), one N(2), one N(5), one N(7), one O(1), one O(6), and one O(8) atom to form a mixture of distorted corner and edge-sharing NbN4O3 pentagonal bipyramids. In the eighth Nb site, Nb(8) is bonded in a 7-coordinate geometry to one N(3), one N(4), one N(6), one N(8), one O(3), one O(5), and one O(7) atom. There are eight inequivalent N sites. In the first N site, N(1) is bonded to one Nb(1), one Nb(2), one Nb(6), and one Nb(7) atom to form a mixture of corner and edge-sharing NNb4 tetrahedra. In the second N site, N(2) is bonded to one Nb(2), one Nb(4), one Nb(5), and one Nb(7) atom to form NNb4 tetrahedra that share corners with two equivalent N(5)Nb4 tetrahedra, corners with two equivalent N(6)Nb4 tetrahedra,  an edgeedge with one N(1)Nb4 tetrahedra,  an edgeedge with one O(5)Nb4 tetrahedra, and edges with two equivalent N(7)Nb4 tetrahedra. In the third N site, N(3) is bonded to one Nb(1), one Nb(3), one Nb(6), and one Nb(8) atom to form NNb4 tetrahedra that share corners with two equivalent N(5)Nb4 tetrahedra, corners with two equivalent N(6)Nb4 tetrahedra,  an edgeedge with one N(1)Nb4 tetrahedra,  an edgeedge with one O(5)Nb4 tetrahedra, and edges with two equivalent N(8)Nb4 tetrahedra. In the fourth N site, N(4) is bonded in a 3-coordinate geometry to one Nb(4), one Nb(5), and one Nb(8) atom. In the fifth N site, N(5) is bonded to one Nb(1), one Nb(2), one Nb(6), and one Nb(7) atom to form a mixture of corner and edge-sharing NNb4 tetrahedra. In the sixth N site, N(6) is bonded to one Nb(3), one Nb(4), one Nb(5), and one Nb(8) atom to form NNb4 tetrahedra that share corners with two equivalent N(2)Nb4 tetrahedra, corners with two equivalent N(3)Nb4 tetrahedra,  an edgeedge with one N(7)Nb4 tetrahedra,  an edgeedge with one N(8)Nb4 tetrahedra, and edges with two equivalent O(5)Nb4 tetrahedra. In the seventh N site, N(7) is bonded to one Nb(2), one Nb(4), one Nb(5), and one Nb(7) atom to form NNb4 tetrahedra that share corners with two equivalent N(1)Nb4 tetrahedra, corners with two equivalent O(5)Nb4 tetrahedra,  an edgeedge with one N(5)Nb4 tetrahedra,  an edgeedge with one N(6)Nb4 tetrahedra, and edges with two equivalent N(2)Nb4 tetrahedra. In the eighth N site, N(8) is bonded to one Nb(1), one Nb(3), one Nb(6), and one Nb(8) atom to form NNb4 tetrahedra that share corners with two equivalent N(1)Nb4 tetrahedra, corners with two equivalent O(5)Nb4 tetrahedra,  an edgeedge with one N(5)Nb4 tetrahedra,  an edgeedge with one N(6)Nb4 tetrahedra, and edges with two equivalent N(3)Nb4 tetrahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Nb(1), one Nb(2), and one Nb(7) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Nb(2), one Nb(4), and one Nb(5) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Nb(3), one Nb(4), and one Nb(8) atom. In the fourth O site, O(4) is bonded in a distorted trigonal non-coplanar geometry to one Nb(1), one Nb(3), and one Nb(6) atom. In the fifth O site, O(5) is bonded to one Nb(3), one Nb(4), one Nb(5), and one Nb(8) atom to form ONb4 tetrahedra that share corners with two equivalent N(7)Nb4 tetrahedra, corners with two equivalent N(8)Nb4 tetrahedra,  an edgeedge with one N(2)Nb4 tetrahedra,  an edgeedge with one N(3)Nb4 tetrahedra, and edges with two equivalent N(6)Nb4 tetrahedra. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Nb(2), one Nb(5), and one Nb(7) atom. In the seventh O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Nb(3), one Nb(6), and one Nb(8) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Nb(1), one Nb(6), and one Nb(7) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_NbNO
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.037
_cell_length_b   5.263
_cell_length_c   10.234
_cell_angle_alpha   90.240
_cell_angle_beta   89.977
_cell_angle_gamma   99.873
_symmetry_Int_Tables_number   1
_cell_volume   267.281
_cell_formula_units_Z   8
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
  Nb  Nb0  1  0.795  0.967  0.508  1.0
  Nb  Nb1  1  0.201  0.035  0.757  1.0
  Nb  Nb2  1  0.211  0.026  0.264  1.0
  Nb  Nb3  1  0.789  0.960  0.009  1.0
  Nb  Nb4  1  0.215  0.541  0.959  1.0
  Nb  Nb5  1  0.202  0.527  0.461  1.0
  Nb  Nb6  1  0.793  0.469  0.710  1.0
  Nb  Nb7  1  0.782  0.475  0.205  1.0
  N  N8  1  0.057  0.272  0.608  1.0
  N  N9  1  0.943  0.233  0.867  1.0
  N  N10  1  0.947  0.222  0.363  1.0
  N  N11  1  0.561  0.591  0.069  1.0
  N  N12  1  0.059  0.772  0.611  1.0
  N  N13  1  0.065  0.778  0.113  1.0
  N  N14  1  0.940  0.733  0.854  1.0
  N  N15  1  0.942  0.725  0.357  1.0
  O  O16  1  0.563  0.091  0.649  1.0
  O  O17  1  0.435  0.909  0.896  1.0
  O  O18  1  0.570  0.092  0.150  1.0
  O  O19  1  0.437  0.902  0.399  1.0
  O  O20  1  0.060  0.273  0.108  1.0
  O  O21  1  0.435  0.411  0.816  1.0
  O  O22  1  0.434  0.405  0.320  1.0
  O  O23  1  0.564  0.590  0.568  1.0
[/CIF]
.