The structure described by Na4W(NO)2 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P-1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form distorted NaO4 tetrahedra that share corners with two equivalent Na(2)N4O square pyramids, corners with four equivalent Na(4)N2O2 tetrahedra, corners with four equivalent W(1)N2O2 tetrahedra, and edges with two equivalent Na(1)O4 tetrahedra. In the second Na site, Na(2) is bonded to two equivalent N(1), two equivalent N(2), and one O(1) atom to form distorted NaN4O square pyramids that share  a cornercorner with one W(1)N2O2 tetrahedra, corners with two equivalent Na(1)O4 tetrahedra, corners with three equivalent Na(4)N2O2 tetrahedra, edges with two equivalent Na(2)N4O square pyramids,  an edgeedge with one Na(4)N2O2 tetrahedra, and edges with two equivalent W(1)N2O2 tetrahedra. In the third Na site, Na(3) is bonded in a 5-coordinate geometry to two equivalent N(1), two equivalent N(2), and one O(1) atom. In the fourth Na site, Na(4) is bonded to one N(1), one N(2), one O(1), and one O(2) atom to form distorted NaN2O2 tetrahedra that share corners with three equivalent Na(2)N4O square pyramids, corners with four equivalent Na(1)O4 tetrahedra, corners with four equivalent W(1)N2O2 tetrahedra, and  an edgeedge with one Na(2)N4O square pyramid. W(1) is bonded to one N(1), one N(2), one O(1), and one O(2) atom to form WN2O2 tetrahedra that share  a cornercorner with one Na(2)N4O square pyramid, corners with four equivalent Na(4)N2O2 tetrahedra, corners with four equivalent Na(1)O4 tetrahedra, and edges with two equivalent Na(2)N4O square pyramids. There are two inequivalent N sites. In the first N site, N(1) is bonded to one Na(4), two equivalent Na(2), two equivalent Na(3), and one W(1) atom to form distorted NNa5W octahedra that share corners with two equivalent N(2)Na5W octahedra, corners with two equivalent O(2)Na3W tetrahedra, edges with two equivalent N(1)Na5W octahedra, and edges with four equivalent N(2)Na5W octahedra. The corner-sharing octahedral tilt angles range from 19-38°. In the second N site, N(2) is bonded to one Na(4), two equivalent Na(2), two equivalent Na(3), and one W(1) atom to form distorted NNa5W octahedra that share corners with two equivalent N(1)Na5W octahedra, corners with two equivalent O(2)Na3W tetrahedra, edges with two equivalent N(2)Na5W octahedra, and edges with four equivalent N(1)Na5W octahedra. The corner-sharing octahedral tilt angles range from 19-38°. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Na(2), one Na(3), one Na(4), two equivalent Na(1), and one W(1) atom. In the second O site, O(2) is bonded to one Na(4), two equivalent Na(1), and one W(1) atom to form ONa3W tetrahedra that share corners with two equivalent N(1)Na5W octahedra, corners with two equivalent N(2)Na5W octahedra, and  an edgeedge with one O(2)Na3W tetrahedra. The corner-sharing octahedral tilt angles range from 62-69°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na4W(NO)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.920
_cell_length_b   5.954
_cell_length_c   9.066
_cell_angle_alpha   83.354
_cell_angle_beta   71.441
_cell_angle_gamma   69.739
_symmetry_Int_Tables_number   1
_cell_volume   284.136
_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  0.241  0.764  0.985  1.0
  Na  Na1  1  0.759  0.236  0.015  1.0
  Na  Na2  1  0.055  0.758  0.406  1.0
  Na  Na3  1  0.945  0.242  0.594  1.0
  Na  Na4  1  0.479  0.743  0.551  1.0
  Na  Na5  1  0.521  0.257  0.449  1.0
  Na  Na6  1  0.614  0.722  0.188  1.0
  Na  Na7  1  0.386  0.278  0.812  1.0
  W  W8  1  0.842  0.718  0.765  1.0
  W  W9  1  0.158  0.282  0.235  1.0
  N  N10  1  0.298  0.038  0.359  1.0
  N  N11  1  0.160  0.542  0.646  1.0
  N  N12  1  0.840  0.458  0.354  1.0
  N  N13  1  0.702  0.962  0.641  1.0
  O  O14  1  0.642  0.512  0.819  1.0
  O  O15  1  0.149  0.159  0.053  1.0
  O  O16  1  0.358  0.488  0.181  1.0
  O  O17  1  0.851  0.841  0.947  1.0
[/CIF]
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The structure described by Na4W(NO)2 is Aluminum carbonitride-derived structured and crystallizes in the triclinic P-1 space group. There are four inequivalent Na sites. In the first Na site, Na(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form distorted NaO4 tetrahedra that share corners with two equivalent Na(2)N4O square pyramids, corners with four equivalent Na(4)N2O2 tetrahedra, corners with four equivalent W(1)N2O2 tetrahedra, and edges with two equivalent Na(1)O4 tetrahedra. In the second Na site, Na(2) is bonded to two equivalent N(1), two equivalent N(2), and one O(1) atom to form distorted NaN4O square pyramids that share  a cornercorner with one W(1)N2O2 tetrahedra, corners with two equivalent Na(1)O4 tetrahedra, corners with three equivalent Na(4)N2O2 tetrahedra, edges with two equivalent Na(2)N4O square pyramids,  an edgeedge with one Na(4)N2O2 tetrahedra, and edges with two equivalent W(1)N2O2 tetrahedra. In the third Na site, Na(3) is bonded in a 5-coordinate geometry to two equivalent N(1), two equivalent N(2), and one O(1) atom. In the fourth Na site, Na(4) is bonded to one N(1), one N(2), one O(1), and one O(2) atom to form distorted NaN2O2 tetrahedra that share corners with three equivalent Na(2)N4O square pyramids, corners with four equivalent Na(1)O4 tetrahedra, corners with four equivalent W(1)N2O2 tetrahedra, and  an edgeedge with one Na(2)N4O square pyramid. W(1) is bonded to one N(1), one N(2), one O(1), and one O(2) atom to form WN2O2 tetrahedra that share  a cornercorner with one Na(2)N4O square pyramid, corners with four equivalent Na(4)N2O2 tetrahedra, corners with four equivalent Na(1)O4 tetrahedra, and edges with two equivalent Na(2)N4O square pyramids. There are two inequivalent N sites. In the first N site, N(1) is bonded to one Na(4), two equivalent Na(2), two equivalent Na(3), and one W(1) atom to form distorted NNa5W octahedra that share corners with two equivalent N(2)Na5W octahedra, corners with two equivalent O(2)Na3W tetrahedra, edges with two equivalent N(1)Na5W octahedra, and edges with four equivalent N(2)Na5W octahedra. The corner-sharing octahedral tilt angles range from 19-38°. In the second N site, N(2) is bonded to one Na(4), two equivalent Na(2), two equivalent Na(3), and one W(1) atom to form distorted NNa5W octahedra that share corners with two equivalent N(1)Na5W octahedra, corners with two equivalent O(2)Na3W tetrahedra, edges with two equivalent N(2)Na5W octahedra, and edges with four equivalent N(1)Na5W octahedra. The corner-sharing octahedral tilt angles range from 19-38°. There are two inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Na(2), one Na(3), one Na(4), two equivalent Na(1), and one W(1) atom. In the second O site, O(2) is bonded to one Na(4), two equivalent Na(1), and one W(1) atom to form ONa3W tetrahedra that share corners with two equivalent N(1)Na5W octahedra, corners with two equivalent N(2)Na5W octahedra, and  an edgeedge with one O(2)Na3W tetrahedra. The corner-sharing octahedral tilt angles range from 62-69°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na4W(NO)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.920
_cell_length_b   5.954
_cell_length_c   9.066
_cell_angle_alpha   83.354
_cell_angle_beta   71.441
_cell_angle_gamma   69.739
_symmetry_Int_Tables_number   1
_cell_volume   284.136
_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  0.241  0.764  0.985  1.0
  Na  Na1  1  0.759  0.236  0.015  1.0
  Na  Na2  1  0.055  0.758  0.406  1.0
  Na  Na3  1  0.945  0.242  0.594  1.0
  Na  Na4  1  0.479  0.743  0.551  1.0
  Na  Na5  1  0.521  0.257  0.449  1.0
  Na  Na6  1  0.614  0.722  0.188  1.0
  Na  Na7  1  0.386  0.278  0.812  1.0
  W  W8  1  0.842  0.718  0.765  1.0
  W  W9  1  0.158  0.282  0.235  1.0
  N  N10  1  0.298  0.038  0.359  1.0
  N  N11  1  0.160  0.542  0.646  1.0
  N  N12  1  0.840  0.458  0.354  1.0
  N  N13  1  0.702  0.962  0.641  1.0
  O  O14  1  0.642  0.512  0.819  1.0
  O  O15  1  0.149  0.159  0.053  1.0
  O  O16  1  0.358  0.488  0.181  1.0
  O  O17  1  0.851  0.841  0.947  1.0
[/CIF]
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