The material described by K2NdN5O17 crystallizes in the orthorhombic Fdd2 space group. K(1) is bonded in a 9-coordinate geometry to one O(2), one O(4), one O(7), one O(8), one O(9), two equivalent O(3), and two equivalent O(6) atoms. Nd(1) is bonded in a distorted q6 geometry to two equivalent O(1), two equivalent O(2), two equivalent O(4), two equivalent O(5), two equivalent O(7), and two equivalent O(9) atoms. There are three inequivalent N sites. In the first N site, N(3) is bonded in a trigonal planar geometry to one O(8) and two equivalent O(7) atoms. In the second N site, N(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. In the third N site, N(2) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Nd(1) and one N(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one N(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to two equivalent K(1) and one N(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one N(2) atom. In the fifth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent K(1) and one N(3) atom. In the sixth O site, O(5) is bonded in a distorted single-bond geometry to one Nd(1) and one N(2) atom. In the seventh O site, O(6) is bonded in a distorted single-bond geometry to two equivalent K(1) and one N(2) atom. In the eighth O site, O(7) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one N(3) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one K(1) and one Nd(1) atom. is represented by the CIF file [CIF]
data_K2NdN5O17
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.379
_cell_length_b   12.151
_cell_length_c   8.340
_cell_angle_alpha   71.606
_cell_angle_beta   68.654
_cell_angle_gamma   39.739
_symmetry_Int_Tables_number   1
_cell_volume   745.608
_cell_formula_units_Z   2
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
  K  K0  1  0.574  0.720  0.893  1.0
  K  K1  1  0.893  0.813  0.574  1.0
  K  K2  1  0.437  0.357  0.530  1.0
  K  K3  1  0.530  0.676  0.437  1.0
  Nd  Nd4  1  0.247  0.253  0.247  1.0
  Nd  Nd5  1  0.997  0.003  0.997  1.0
  N  N6  1  0.043  0.439  0.584  1.0
  N  N7  1  0.584  0.935  0.043  1.0
  N  N8  1  0.315  0.666  0.811  1.0
  N  N9  1  0.811  0.207  0.315  1.0
  N  N10  1  0.912  0.436  0.173  1.0
  N  N11  1  0.173  0.478  0.912  1.0
  N  N12  1  0.772  0.077  0.814  1.0
  N  N13  1  0.814  0.338  0.772  1.0
  N  N14  1  0.504  0.996  0.504  1.0
  N  N15  1  0.254  0.746  0.254  1.0
  O  O16  1  0.109  0.292  0.580  1.0
  O  O17  1  0.580  0.018  0.109  1.0
  O  O18  1  0.232  0.670  0.958  1.0
  O  O19  1  0.958  0.141  0.232  1.0
  O  O20  1  0.088  0.493  0.446  1.0
  O  O21  1  0.446  0.972  0.088  1.0
  O  O22  1  0.278  0.804  0.757  1.0
  O  O23  1  0.757  0.162  0.278  1.0
  O  O24  1  0.939  0.529  0.709  1.0
  O  O25  1  0.709  0.823  0.939  1.0
  O  O26  1  0.427  0.541  0.721  1.0
  O  O27  1  0.721  0.311  0.427  1.0
  O  O28  1  0.911  0.470  0.305  1.0
  O  O29  1  0.305  0.314  0.911  1.0
  O  O30  1  0.936  0.945  0.780  1.0
  O  O31  1  0.780  0.339  0.936  1.0
  O  O32  1  0.060  0.314  0.083  1.0
  O  O33  1  0.083  0.542  0.060  1.0
  O  O34  1  0.708  0.167  0.936  1.0
  O  O35  1  0.936  0.190  0.708  1.0
  O  O36  1  0.776  0.518  0.135  1.0
  O  O37  1  0.135  0.570  0.776  1.0
  O  O38  1  0.680  0.115  0.732  1.0
  O  O39  1  0.732  0.474  0.680  1.0
  O  O40  1  0.454  0.138  0.447  1.0
  O  O41  1  0.447  0.962  0.454  1.0
  O  O42  1  0.288  0.803  0.112  1.0
  O  O43  1  0.112  0.796  0.288  1.0
  O  O44  1  0.606  0.894  0.606  1.0
  O  O45  1  0.356  0.644  0.356  1.0
  O  O46  1  0.178  0.086  0.375  1.0
  O  O47  1  0.375  0.361  0.178  1.0
  O  O48  1  0.889  0.875  0.164  1.0
  O  O49  1  0.164  0.072  0.889  1.0
[/CIF]
.
The material described by K2NdN5O17 crystallizes in the orthorhombic Fdd2 space group. K(1) is bonded in a 9-coordinate geometry to one O(2), one O(4), one O(7), one O(8), one O(9), two equivalent O(3), and two equivalent O(6) atoms. Nd(1) is bonded in a distorted q6 geometry to two equivalent O(1), two equivalent O(2), two equivalent O(4), two equivalent O(5), two equivalent O(7), and two equivalent O(9) atoms. There are three inequivalent N sites. In the first N site, N(3) is bonded in a trigonal planar geometry to one O(8) and two equivalent O(7) atoms. In the second N site, N(1) is bonded in a trigonal planar geometry to one O(1), one O(2), and one O(3) atom. In the third N site, N(2) is bonded in a trigonal planar geometry to one O(4), one O(5), and one O(6) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Nd(1) and one N(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one N(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to two equivalent K(1) and one N(1) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one N(2) atom. In the fifth O site, O(8) is bonded in a distorted trigonal planar geometry to two equivalent K(1) and one N(3) atom. In the sixth O site, O(5) is bonded in a distorted single-bond geometry to one Nd(1) and one N(2) atom. In the seventh O site, O(6) is bonded in a distorted single-bond geometry to two equivalent K(1) and one N(2) atom. In the eighth O site, O(7) is bonded in a distorted single-bond geometry to one K(1), one Nd(1), and one N(3) atom. In the ninth O site, O(9) is bonded in a distorted water-like geometry to one K(1) and one Nd(1) atom. is represented by the CIF file [CIF]
data_K2NdN5O17
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.379
_cell_length_b   12.151
_cell_length_c   8.340
_cell_angle_alpha   71.606
_cell_angle_beta   68.654
_cell_angle_gamma   39.739
_symmetry_Int_Tables_number   1
_cell_volume   745.608
_cell_formula_units_Z   2
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
  K  K0  1  0.574  0.720  0.893  1.0
  K  K1  1  0.893  0.813  0.574  1.0
  K  K2  1  0.437  0.357  0.530  1.0
  K  K3  1  0.530  0.676  0.437  1.0
  Nd  Nd4  1  0.247  0.253  0.247  1.0
  Nd  Nd5  1  0.997  0.003  0.997  1.0
  N  N6  1  0.043  0.439  0.584  1.0
  N  N7  1  0.584  0.935  0.043  1.0
  N  N8  1  0.315  0.666  0.811  1.0
  N  N9  1  0.811  0.207  0.315  1.0
  N  N10  1  0.912  0.436  0.173  1.0
  N  N11  1  0.173  0.478  0.912  1.0
  N  N12  1  0.772  0.077  0.814  1.0
  N  N13  1  0.814  0.338  0.772  1.0
  N  N14  1  0.504  0.996  0.504  1.0
  N  N15  1  0.254  0.746  0.254  1.0
  O  O16  1  0.109  0.292  0.580  1.0
  O  O17  1  0.580  0.018  0.109  1.0
  O  O18  1  0.232  0.670  0.958  1.0
  O  O19  1  0.958  0.141  0.232  1.0
  O  O20  1  0.088  0.493  0.446  1.0
  O  O21  1  0.446  0.972  0.088  1.0
  O  O22  1  0.278  0.804  0.757  1.0
  O  O23  1  0.757  0.162  0.278  1.0
  O  O24  1  0.939  0.529  0.709  1.0
  O  O25  1  0.709  0.823  0.939  1.0
  O  O26  1  0.427  0.541  0.721  1.0
  O  O27  1  0.721  0.311  0.427  1.0
  O  O28  1  0.911  0.470  0.305  1.0
  O  O29  1  0.305  0.314  0.911  1.0
  O  O30  1  0.936  0.945  0.780  1.0
  O  O31  1  0.780  0.339  0.936  1.0
  O  O32  1  0.060  0.314  0.083  1.0
  O  O33  1  0.083  0.542  0.060  1.0
  O  O34  1  0.708  0.167  0.936  1.0
  O  O35  1  0.936  0.190  0.708  1.0
  O  O36  1  0.776  0.518  0.135  1.0
  O  O37  1  0.135  0.570  0.776  1.0
  O  O38  1  0.680  0.115  0.732  1.0
  O  O39  1  0.732  0.474  0.680  1.0
  O  O40  1  0.454  0.138  0.447  1.0
  O  O41  1  0.447  0.962  0.454  1.0
  O  O42  1  0.288  0.803  0.112  1.0
  O  O43  1  0.112  0.796  0.288  1.0
  O  O44  1  0.606  0.894  0.606  1.0
  O  O45  1  0.356  0.644  0.356  1.0
  O  O46  1  0.178  0.086  0.375  1.0
  O  O47  1  0.375  0.361  0.178  1.0
  O  O48  1  0.889  0.875  0.164  1.0
  O  O49  1  0.164  0.072  0.889  1.0
[/CIF]
.