The compound 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 6-coordinate geometry to one N(1), one N(2), one O(1), one O(2), one O(6), and one O(8) atom. In the second Y site, Y(2) is bonded in a 6-coordinate geometry to one N(2), one O(1), one O(2), one O(3), one O(6), and one O(7) atom. There are four inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one N(1), one O(2), one O(3), one O(4), and two equivalent O(5) atoms to form a mixture of distorted edge and corner-sharing NbNO5 octahedra. The corner-sharing octahedral tilt angles are 48°. In the second Nb site, Nb(2) is bonded to one N(1), one O(1), one O(3), one O(5), and two equivalent O(4) atoms to form a mixture of distorted edge and corner-sharing NbNO5 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. 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 to one O(10), one O(6), one O(7), one O(8), and two equivalent O(9) atoms to form distorted corner-sharing NbO6 octahedra. The corner-sharing octahedral tilt angles are 55°. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Y(1), one Nb(1), and one Nb(2) atom. In the second N site, N(2) is bonded in a distorted trigonal planar 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 3-coordinate 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 planar geometry to one Y(1), one Y(2), and one Nb(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Y(2), one Nb(1), and one Nb(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Nb(1) and two equivalent Nb(2) atoms. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Nb(2) and two equivalent Nb(1) 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 trigonal planar geometry to one Y(2), one Nb(3), and one Nb(4) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Y(1), 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 file [CIF]
data_YNb2NO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   15.026
_cell_length_b   5.295
_cell_length_c   5.939
_cell_angle_alpha   89.672
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   472.509
_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  0.250  0.257  0.700  1.0
  Y  Y1  1  0.248  0.758  0.293  1.0
  Y  Y2  1  0.752  0.758  0.793  1.0
  Y  Y3  1  0.750  0.257  0.200  1.0
  Nb  Nb4  1  0.088  0.743  0.827  1.0
  Nb  Nb5  1  0.082  0.224  0.176  1.0
  Nb  Nb6  1  0.918  0.224  0.676  1.0
  Nb  Nb7  1  0.912  0.743  0.327  1.0
  Nb  Nb8  1  0.587  0.276  0.685  1.0
  Nb  Nb9  1  0.581  0.775  0.315  1.0
  Nb  Nb10  1  0.419  0.775  0.815  1.0
  Nb  Nb11  1  0.413  0.276  0.185  1.0
  N  N12  1  0.152  0.032  0.924  1.0
  N  N13  1  0.848  0.032  0.424  1.0
  N  N14  1  0.668  0.395  0.884  1.0
  N  N15  1  0.332  0.395  0.384  1.0
  O  O16  1  0.164  0.104  0.394  1.0
  O  O17  1  0.168  0.606  0.614  1.0
  O  O18  1  0.150  0.534  0.091  1.0
  O  O19  1  0.006  0.396  0.873  1.0
  O  O20  1  0.004  0.902  0.134  1.0
  O  O21  1  0.994  0.396  0.373  1.0
  O  O22  1  0.996  0.902  0.634  1.0
  O  O23  1  0.850  0.534  0.591  1.0
  O  O24  1  0.836  0.104  0.894  1.0
  O  O25  1  0.832  0.606  0.114  1.0
  O  O26  1  0.667  0.896  0.114  1.0
  O  O27  1  0.649  0.957  0.582  1.0
  O  O28  1  0.648  0.463  0.408  1.0
  O  O29  1  0.506  0.598  0.629  1.0
  O  O30  1  0.504  0.080  0.361  1.0
  O  O31  1  0.496  0.080  0.861  1.0
  O  O32  1  0.494  0.598  0.129  1.0
  O  O33  1  0.352  0.463  0.908  1.0
  O  O34  1  0.351  0.957  0.082  1.0
  O  O35  1  0.333  0.896  0.614  1.0
[/CIF]
.
The compound 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 6-coordinate geometry to one N(1), one N(2), one O(1), one O(2), one O(6), and one O(8) atom. In the second Y site, Y(2) is bonded in a 6-coordinate geometry to one N(2), one O(1), one O(2), one O(3), one O(6), and one O(7) atom. There are four inequivalent Nb sites. In the first Nb site, Nb(1) is bonded to one N(1), one O(2), one O(3), one O(4), and two equivalent O(5) atoms to form a mixture of distorted edge and corner-sharing NbNO5 octahedra. The corner-sharing octahedral tilt angles are 48°. In the second Nb site, Nb(2) is bonded to one N(1), one O(1), one O(3), one O(5), and two equivalent O(4) atoms to form a mixture of distorted edge and corner-sharing NbNO5 octahedra. The corner-sharing octahedral tilt angles range from 48-53°. 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 to one O(10), one O(6), one O(7), one O(8), and two equivalent O(9) atoms to form distorted corner-sharing NbO6 octahedra. The corner-sharing octahedral tilt angles are 55°. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Y(1), one Nb(1), and one Nb(2) atom. In the second N site, N(2) is bonded in a distorted trigonal planar 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 3-coordinate 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 planar geometry to one Y(1), one Y(2), and one Nb(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Y(2), one Nb(1), and one Nb(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Nb(1) and two equivalent Nb(2) atoms. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Nb(2) and two equivalent Nb(1) 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 trigonal planar geometry to one Y(2), one Nb(3), and one Nb(4) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Y(1), 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 file [CIF]
data_YNb2NO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   15.026
_cell_length_b   5.295
_cell_length_c   5.939
_cell_angle_alpha   89.672
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   472.509
_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  0.250  0.257  0.700  1.0
  Y  Y1  1  0.248  0.758  0.293  1.0
  Y  Y2  1  0.752  0.758  0.793  1.0
  Y  Y3  1  0.750  0.257  0.200  1.0
  Nb  Nb4  1  0.088  0.743  0.827  1.0
  Nb  Nb5  1  0.082  0.224  0.176  1.0
  Nb  Nb6  1  0.918  0.224  0.676  1.0
  Nb  Nb7  1  0.912  0.743  0.327  1.0
  Nb  Nb8  1  0.587  0.276  0.685  1.0
  Nb  Nb9  1  0.581  0.775  0.315  1.0
  Nb  Nb10  1  0.419  0.775  0.815  1.0
  Nb  Nb11  1  0.413  0.276  0.185  1.0
  N  N12  1  0.152  0.032  0.924  1.0
  N  N13  1  0.848  0.032  0.424  1.0
  N  N14  1  0.668  0.395  0.884  1.0
  N  N15  1  0.332  0.395  0.384  1.0
  O  O16  1  0.164  0.104  0.394  1.0
  O  O17  1  0.168  0.606  0.614  1.0
  O  O18  1  0.150  0.534  0.091  1.0
  O  O19  1  0.006  0.396  0.873  1.0
  O  O20  1  0.004  0.902  0.134  1.0
  O  O21  1  0.994  0.396  0.373  1.0
  O  O22  1  0.996  0.902  0.634  1.0
  O  O23  1  0.850  0.534  0.591  1.0
  O  O24  1  0.836  0.104  0.894  1.0
  O  O25  1  0.832  0.606  0.114  1.0
  O  O26  1  0.667  0.896  0.114  1.0
  O  O27  1  0.649  0.957  0.582  1.0
  O  O28  1  0.648  0.463  0.408  1.0
  O  O29  1  0.506  0.598  0.629  1.0
  O  O30  1  0.504  0.080  0.361  1.0
  O  O31  1  0.496  0.080  0.861  1.0
  O  O32  1  0.494  0.598  0.129  1.0
  O  O33  1  0.352  0.463  0.908  1.0
  O  O34  1  0.351  0.957  0.082  1.0
  O  O35  1  0.333  0.896  0.614  1.0
[/CIF]
.