The compound described by Na2Nd4NOCl9 crystallizes in the monoclinic P2_1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one Cl(2), one Cl(3), one Cl(4), one Cl(5), one Cl(7), and one Cl(8) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one Cl(2), one Cl(3), one Cl(4), one Cl(6), one Cl(7), and one Cl(8) atom. There are four inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 8-coordinate geometry to one N(1), one O(1), one Cl(2), one Cl(3), one Cl(4), one Cl(7), one Cl(8), and one Cl(9) atom. In the second Nd site, Nd(2) is bonded in a 2-coordinate geometry to one N(1), one O(1), one Cl(1), one Cl(2), one Cl(3), one Cl(5), one Cl(6), one Cl(8), and one Cl(9) atom. In the third Nd site, Nd(3) is bonded in a 2-coordinate geometry to one N(1), one O(1), one Cl(1), one Cl(2), one Cl(3), one Cl(5), one Cl(6), one Cl(7), and one Cl(9) atom. In the fourth Nd site, Nd(4) is bonded in a 8-coordinate geometry to one N(1), one O(1), one Cl(1), one Cl(2), one Cl(3), one Cl(4), one Cl(5), and one Cl(6) atom. N(1) is bonded to one Nd(1), one Nd(2), one Nd(3), and one Nd(4) atom to form NNd4 tetrahedra that share edges with two equivalent O(1)Nd4 tetrahedra. O(1) is bonded to one Nd(1), one Nd(2), one Nd(3), and one Nd(4) atom to form ONd4 tetrahedra that share edges with two equivalent N(1)Nd4 tetrahedra. There are nine inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted T-shaped geometry to one Nd(2), one Nd(3), and one Nd(4) atom. In the second Cl site, Cl(2) is bonded in a 6-coordinate geometry to one Na(1), one Na(2), one Nd(1), one Nd(2), one Nd(3), and one Nd(4) atom. In the third Cl site, Cl(3) is bonded in a 6-coordinate geometry to one Na(1), one Na(2), one Nd(1), one Nd(2), one Nd(3), and one Nd(4) atom. In the fourth Cl site, Cl(4) is bonded in a rectangular see-saw-like geometry to one Na(1), one Na(2), one Nd(1), and one Nd(4) atom. In the fifth Cl site, Cl(5) is bonded in a distorted see-saw-like geometry to one Na(1), one Nd(2), one Nd(3), and one Nd(4) atom. In the sixth Cl site, Cl(6) is bonded in a distorted see-saw-like geometry to one Na(2), one Nd(2), one Nd(3), and one Nd(4) atom. In the seventh Cl site, Cl(7) is bonded in a see-saw-like geometry to one Na(1), one Na(2), one Nd(1), and one Nd(3) atom. In the eighth Cl site, Cl(8) is bonded in a see-saw-like geometry to one Na(1), one Na(2), one Nd(1), and one Nd(2) atom. In the ninth Cl site, Cl(9) is bonded in a distorted T-shaped geometry to one Nd(1), one Nd(2), and one Nd(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2Nd4NCl9O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.389
_cell_length_b   8.181
_cell_length_c   9.446
_cell_angle_alpha   72.955
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   841.463
_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
  Na  Na0  1  0.990  0.771  0.430  1.0
  Na  Na1  1  0.490  0.229  0.570  1.0
  Na  Na2  1  0.008  0.228  0.571  1.0
  Na  Na3  1  0.508  0.772  0.429  1.0
  Nd  Nd4  1  0.248  0.387  0.219  1.0
  Nd  Nd5  1  0.748  0.613  0.781  1.0
  Nd  Nd6  1  0.049  0.716  0.951  1.0
  Nd  Nd7  1  0.549  0.284  0.049  1.0
  Nd  Nd8  1  0.960  0.279  0.051  1.0
  Nd  Nd9  1  0.460  0.721  0.949  1.0
  Nd  Nd10  1  0.248  0.404  0.829  1.0
  Nd  Nd11  1  0.748  0.596  0.171  1.0
  N  N12  1  0.126  0.439  0.015  1.0
  N  N13  1  0.626  0.561  0.985  1.0
  Cl  Cl14  1  0.250  0.767  0.743  1.0
  Cl  Cl15  1  0.750  0.233  0.257  1.0
  Cl  Cl16  1  0.995  0.494  0.302  1.0
  Cl  Cl17  1  0.495  0.506  0.698  1.0
  Cl  Cl18  1  0.001  0.506  0.697  1.0
  Cl  Cl19  1  0.501  0.494  0.303  1.0
  Cl  Cl20  1  0.248  0.362  0.532  1.0
  Cl  Cl21  1  0.748  0.638  0.468  1.0
  Cl  Cl22  1  0.403  0.112  0.879  1.0
  Cl  Cl23  1  0.903  0.888  0.121  1.0
  Cl  Cl24  1  0.597  0.892  0.124  1.0
  Cl  Cl25  1  0.097  0.108  0.876  1.0
  Cl  Cl26  1  0.089  0.096  0.315  1.0
  Cl  Cl27  1  0.589  0.904  0.685  1.0
  Cl  Cl28  1  0.910  0.900  0.689  1.0
  Cl  Cl29  1  0.410  0.100  0.311  1.0
  Cl  Cl30  1  0.250  0.747  0.139  1.0
  Cl  Cl31  1  0.750  0.253  0.861  1.0
  O  O32  1  0.877  0.560  0.985  1.0
  O  O33  1  0.377  0.440  0.015  1.0
[/CIF]
.
The compound described by Na2Nd4NOCl9 crystallizes in the monoclinic P2_1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded in a 6-coordinate geometry to one Cl(2), one Cl(3), one Cl(4), one Cl(5), one Cl(7), and one Cl(8) atom. In the second Na site, Na(2) is bonded in a 6-coordinate geometry to one Cl(2), one Cl(3), one Cl(4), one Cl(6), one Cl(7), and one Cl(8) atom. There are four inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a 8-coordinate geometry to one N(1), one O(1), one Cl(2), one Cl(3), one Cl(4), one Cl(7), one Cl(8), and one Cl(9) atom. In the second Nd site, Nd(2) is bonded in a 2-coordinate geometry to one N(1), one O(1), one Cl(1), one Cl(2), one Cl(3), one Cl(5), one Cl(6), one Cl(8), and one Cl(9) atom. In the third Nd site, Nd(3) is bonded in a 2-coordinate geometry to one N(1), one O(1), one Cl(1), one Cl(2), one Cl(3), one Cl(5), one Cl(6), one Cl(7), and one Cl(9) atom. In the fourth Nd site, Nd(4) is bonded in a 8-coordinate geometry to one N(1), one O(1), one Cl(1), one Cl(2), one Cl(3), one Cl(4), one Cl(5), and one Cl(6) atom. N(1) is bonded to one Nd(1), one Nd(2), one Nd(3), and one Nd(4) atom to form NNd4 tetrahedra that share edges with two equivalent O(1)Nd4 tetrahedra. O(1) is bonded to one Nd(1), one Nd(2), one Nd(3), and one Nd(4) atom to form ONd4 tetrahedra that share edges with two equivalent N(1)Nd4 tetrahedra. There are nine inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a distorted T-shaped geometry to one Nd(2), one Nd(3), and one Nd(4) atom. In the second Cl site, Cl(2) is bonded in a 6-coordinate geometry to one Na(1), one Na(2), one Nd(1), one Nd(2), one Nd(3), and one Nd(4) atom. In the third Cl site, Cl(3) is bonded in a 6-coordinate geometry to one Na(1), one Na(2), one Nd(1), one Nd(2), one Nd(3), and one Nd(4) atom. In the fourth Cl site, Cl(4) is bonded in a rectangular see-saw-like geometry to one Na(1), one Na(2), one Nd(1), and one Nd(4) atom. In the fifth Cl site, Cl(5) is bonded in a distorted see-saw-like geometry to one Na(1), one Nd(2), one Nd(3), and one Nd(4) atom. In the sixth Cl site, Cl(6) is bonded in a distorted see-saw-like geometry to one Na(2), one Nd(2), one Nd(3), and one Nd(4) atom. In the seventh Cl site, Cl(7) is bonded in a see-saw-like geometry to one Na(1), one Na(2), one Nd(1), and one Nd(3) atom. In the eighth Cl site, Cl(8) is bonded in a see-saw-like geometry to one Na(1), one Na(2), one Nd(1), and one Nd(2) atom. In the ninth Cl site, Cl(9) is bonded in a distorted T-shaped geometry to one Nd(1), one Nd(2), and one Nd(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2Nd4NCl9O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.389
_cell_length_b   8.181
_cell_length_c   9.446
_cell_angle_alpha   72.955
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   841.463
_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
  Na  Na0  1  0.990  0.771  0.430  1.0
  Na  Na1  1  0.490  0.229  0.570  1.0
  Na  Na2  1  0.008  0.228  0.571  1.0
  Na  Na3  1  0.508  0.772  0.429  1.0
  Nd  Nd4  1  0.248  0.387  0.219  1.0
  Nd  Nd5  1  0.748  0.613  0.781  1.0
  Nd  Nd6  1  0.049  0.716  0.951  1.0
  Nd  Nd7  1  0.549  0.284  0.049  1.0
  Nd  Nd8  1  0.960  0.279  0.051  1.0
  Nd  Nd9  1  0.460  0.721  0.949  1.0
  Nd  Nd10  1  0.248  0.404  0.829  1.0
  Nd  Nd11  1  0.748  0.596  0.171  1.0
  N  N12  1  0.126  0.439  0.015  1.0
  N  N13  1  0.626  0.561  0.985  1.0
  Cl  Cl14  1  0.250  0.767  0.743  1.0
  Cl  Cl15  1  0.750  0.233  0.257  1.0
  Cl  Cl16  1  0.995  0.494  0.302  1.0
  Cl  Cl17  1  0.495  0.506  0.698  1.0
  Cl  Cl18  1  0.001  0.506  0.697  1.0
  Cl  Cl19  1  0.501  0.494  0.303  1.0
  Cl  Cl20  1  0.248  0.362  0.532  1.0
  Cl  Cl21  1  0.748  0.638  0.468  1.0
  Cl  Cl22  1  0.403  0.112  0.879  1.0
  Cl  Cl23  1  0.903  0.888  0.121  1.0
  Cl  Cl24  1  0.597  0.892  0.124  1.0
  Cl  Cl25  1  0.097  0.108  0.876  1.0
  Cl  Cl26  1  0.089  0.096  0.315  1.0
  Cl  Cl27  1  0.589  0.904  0.685  1.0
  Cl  Cl28  1  0.910  0.900  0.689  1.0
  Cl  Cl29  1  0.410  0.100  0.311  1.0
  Cl  Cl30  1  0.250  0.747  0.139  1.0
  Cl  Cl31  1  0.750  0.253  0.861  1.0
  O  O32  1  0.877  0.560  0.985  1.0
  O  O33  1  0.377  0.440  0.015  1.0
[/CIF]
.