The structure described by YNb2NO5 crystallizes in the monoclinic Pc space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 8-coordinate geometry to one N(2), one O(1), one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. In the second Y site, Y(2) is bonded in a 8-coordinate geometry to one N(2), one O(1), one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. There are four inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to two equivalent N(1), one O(2), one O(3), one O(4), and one O(5) atom to form distorted corner-sharing NbN2O4 octahedra. The corner-sharing octahedral tilt angles are 55°. In the second Nb site, Nb(2) is bonded in a 6-coordinate geometry to one N(1), one O(1), one O(3), one O(4), and two equivalent O(5) atoms. In the third Nb site, Nb(3) is bonded in a 6-coordinate geometry to one N(2), one O(7), one O(8), one O(9), and two equivalent O(10) atoms. In the fourth Nb site, Nb(4) is bonded in a 6-coordinate geometry to one O(10), one O(6), one O(7), one O(8), and two equivalent O(9) atoms. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Nb(2) and two equivalent Nb(1) atoms. In the second N site, N(2) is bonded in a distorted trigonal non-coplanar geometry to one Y(1), one Y(2), and one Nb(3) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Y(1), one Y(2), and one Nb(2) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Y(1), one Y(2), and one Nb(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Y(1), one Y(2), one Nb(1), and one Nb(2) atom. In the fourth O site, O(4) is bonded in a distorted tetrahedral geometry to one Y(1), one Y(2), one Nb(1), and one Nb(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Nb(1) and two equivalent Nb(2) atoms. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Y(1), one Y(2), and one Nb(4) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Y(1), one Y(2), one Nb(3), and one Nb(4) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Y(1), one Y(2), one Nb(3), and one Nb(4) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Nb(3) and two equivalent Nb(4) atoms. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Nb(4) and two equivalent Nb(3) atoms. is represented by the CIF card [CIF]
data_YNb2NO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   14.957
_cell_length_b   5.271
_cell_length_c   5.693
_cell_angle_alpha   89.854
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   448.761
_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
  Y  Y0  1  0.252  0.739  0.736  1.0
  Y  Y1  1  0.251  0.260  0.268  1.0
  Y  Y2  1  0.749  0.260  0.768  1.0
  Y  Y3  1  0.748  0.739  0.236  1.0
  Nb  Nb4  1  0.422  0.297  0.805  1.0
  Nb  Nb5  1  0.416  0.817  0.190  1.0
  Nb  Nb6  1  0.584  0.817  0.690  1.0
  Nb  Nb7  1  0.578  0.297  0.305  1.0
  Nb  Nb8  1  0.913  0.686  0.700  1.0
  Nb  Nb9  1  0.915  0.187  0.310  1.0
  Nb  Nb10  1  0.085  0.187  0.810  1.0
  Nb  Nb11  1  0.087  0.686  0.200  1.0
  N  N12  1  0.490  0.130  0.118  1.0
  N  N13  1  0.510  0.130  0.618  1.0
  N  N14  1  0.837  0.582  0.924  1.0
  N  N15  1  0.163  0.582  0.424  1.0
  O  O16  1  0.334  0.923  0.413  1.0
  O  O17  1  0.336  0.419  0.586  1.0
  O  O18  1  0.340  0.028  0.932  1.0
  O  O19  1  0.340  0.538  0.059  1.0
  O  O20  1  0.492  0.630  0.865  1.0
  O  O21  1  0.508  0.630  0.365  1.0
  O  O22  1  0.660  0.538  0.559  1.0
  O  O23  1  0.660  0.028  0.432  1.0
  O  O24  1  0.666  0.923  0.913  1.0
  O  O25  1  0.664  0.419  0.086  1.0
  O  O26  1  0.833  0.081  0.092  1.0
  O  O27  1  0.841  0.978  0.566  1.0
  O  O28  1  0.842  0.470  0.442  1.0
  O  O29  1  0.991  0.359  0.635  1.0
  O  O30  1  0.990  0.877  0.362  1.0
  O  O31  1  0.010  0.877  0.862  1.0
  O  O32  1  0.009  0.359  0.135  1.0
  O  O33  1  0.158  0.470  0.942  1.0
  O  O34  1  0.159  0.978  0.066  1.0
  O  O35  1  0.167  0.081  0.592  1.0
[/CIF]
.
The structure described by YNb2NO5 crystallizes in the monoclinic Pc space group. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 8-coordinate geometry to one N(2), one O(1), one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. In the second Y site, Y(2) is bonded in a 8-coordinate geometry to one N(2), one O(1), one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. There are four inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to two equivalent N(1), one O(2), one O(3), one O(4), and one O(5) atom to form distorted corner-sharing NbN2O4 octahedra. The corner-sharing octahedral tilt angles are 55°. In the second Nb site, Nb(2) is bonded in a 6-coordinate geometry to one N(1), one O(1), one O(3), one O(4), and two equivalent O(5) atoms. In the third Nb site, Nb(3) is bonded in a 6-coordinate geometry to one N(2), one O(7), one O(8), one O(9), and two equivalent O(10) atoms. In the fourth Nb site, Nb(4) is bonded in a 6-coordinate geometry to one O(10), one O(6), one O(7), one O(8), and two equivalent O(9) atoms. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Nb(2) and two equivalent Nb(1) atoms. In the second N site, N(2) is bonded in a distorted trigonal non-coplanar geometry to one Y(1), one Y(2), and one Nb(3) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Y(1), one Y(2), and one Nb(2) atom. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Y(1), one Y(2), and one Nb(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Y(1), one Y(2), one Nb(1), and one Nb(2) atom. In the fourth O site, O(4) is bonded in a distorted tetrahedral geometry to one Y(1), one Y(2), one Nb(1), and one Nb(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Nb(1) and two equivalent Nb(2) atoms. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Y(1), one Y(2), and one Nb(4) atom. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to one Y(1), one Y(2), one Nb(3), and one Nb(4) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Y(1), one Y(2), one Nb(3), and one Nb(4) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Nb(3) and two equivalent Nb(4) atoms. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Nb(4) and two equivalent Nb(3) atoms. is represented by the CIF card [CIF]
data_YNb2NO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   14.957
_cell_length_b   5.271
_cell_length_c   5.693
_cell_angle_alpha   89.854
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   448.761
_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
  Y  Y0  1  0.252  0.739  0.736  1.0
  Y  Y1  1  0.251  0.260  0.268  1.0
  Y  Y2  1  0.749  0.260  0.768  1.0
  Y  Y3  1  0.748  0.739  0.236  1.0
  Nb  Nb4  1  0.422  0.297  0.805  1.0
  Nb  Nb5  1  0.416  0.817  0.190  1.0
  Nb  Nb6  1  0.584  0.817  0.690  1.0
  Nb  Nb7  1  0.578  0.297  0.305  1.0
  Nb  Nb8  1  0.913  0.686  0.700  1.0
  Nb  Nb9  1  0.915  0.187  0.310  1.0
  Nb  Nb10  1  0.085  0.187  0.810  1.0
  Nb  Nb11  1  0.087  0.686  0.200  1.0
  N  N12  1  0.490  0.130  0.118  1.0
  N  N13  1  0.510  0.130  0.618  1.0
  N  N14  1  0.837  0.582  0.924  1.0
  N  N15  1  0.163  0.582  0.424  1.0
  O  O16  1  0.334  0.923  0.413  1.0
  O  O17  1  0.336  0.419  0.586  1.0
  O  O18  1  0.340  0.028  0.932  1.0
  O  O19  1  0.340  0.538  0.059  1.0
  O  O20  1  0.492  0.630  0.865  1.0
  O  O21  1  0.508  0.630  0.365  1.0
  O  O22  1  0.660  0.538  0.559  1.0
  O  O23  1  0.660  0.028  0.432  1.0
  O  O24  1  0.666  0.923  0.913  1.0
  O  O25  1  0.664  0.419  0.086  1.0
  O  O26  1  0.833  0.081  0.092  1.0
  O  O27  1  0.841  0.978  0.566  1.0
  O  O28  1  0.842  0.470  0.442  1.0
  O  O29  1  0.991  0.359  0.635  1.0
  O  O30  1  0.990  0.877  0.362  1.0
  O  O31  1  0.010  0.877  0.862  1.0
  O  O32  1  0.009  0.359  0.135  1.0
  O  O33  1  0.158  0.470  0.942  1.0
  O  O34  1  0.159  0.978  0.066  1.0
  O  O35  1  0.167  0.081  0.592  1.0
[/CIF]
.