The compound described by Sn2N2O is beta indium sulfide-derived structured and crystallizes in the trigonal P-3m1 space group. There are six inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one N(1) and three equivalent N(3) atoms to form SnN4 tetrahedra that share corners with three equivalent Sn(6)N6 octahedra and corners with nine equivalent Sn(4)N4O2 octahedra. The corner-sharing octahedral tilt angles range from 57-59°. In the second Sn site, Sn(2) is bonded to three equivalent N(2) and three equivalent O(1) atoms to form SnN3O3 octahedra that share corners with three equivalent Sn(5)N4 tetrahedra, edges with three equivalent Sn(3)N4O2 octahedra, and edges with three equivalent Sn(4)N4O2 octahedra. In the third Sn site, Sn(3) is bonded to four equivalent N(2) and two equivalent O(2) atoms to form SnN4O2 octahedra that share corners with four equivalent Sn(5)N4 tetrahedra, edges with two equivalent Sn(2)N3O3 octahedra, and edges with four equivalent Sn(3)N4O2 octahedra. In the fourth Sn site, Sn(4) is bonded to one N(1), one N(4), two equivalent N(3), and two equivalent O(1) atoms to form SnN4O2 octahedra that share  a cornercorner with one Sn(5)N4 tetrahedra, corners with three equivalent Sn(1)N4 tetrahedra,  an edgeedge with one Sn(2)N3O3 octahedra,  an edgeedge with one Sn(6)N6 octahedra, and edges with four equivalent Sn(4)N4O2 octahedra. In the fifth Sn site, Sn(5) is bonded to one N(4) and three equivalent N(2) atoms to form SnN4 tetrahedra that share corners with three equivalent Sn(2)N3O3 octahedra, corners with three equivalent Sn(4)N4O2 octahedra, and corners with six equivalent Sn(3)N4O2 octahedra. The corner-sharing octahedral tilt angles range from 57-58°. In the sixth Sn site, Sn(6) is bonded to six equivalent N(3) atoms to form SnN6 octahedra that share corners with six equivalent Sn(1)N4 tetrahedra and edges with six equivalent Sn(4)N4O2 octahedra. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted rectangular see-saw-like geometry to one Sn(1) and three equivalent Sn(4) atoms. In the second N site, N(2) is bonded to one Sn(2), one Sn(5), and two equivalent Sn(3) atoms to form a mixture of distorted edge and corner-sharing NSn4 trigonal pyramids. In the third N site, N(3) is bonded to one Sn(1), one Sn(6), and two equivalent Sn(4) atoms to form a mixture of distorted edge and corner-sharing NSn4 trigonal pyramids. In the fourth N site, N(4) is bonded to one Sn(5) and three equivalent Sn(4) atoms to form a mixture of distorted edge and corner-sharing NSn4 trigonal pyramids. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Sn(2) and two equivalent Sn(4) atoms. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to three equivalent Sn(3) atoms. is represented by the CIF card [CIF]
data_Sn2N2O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.455
_cell_length_b   6.455
_cell_length_c   15.809
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   570.399
_cell_formula_units_Z   8
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
  Sn  Sn0  1  0.667  0.333  0.955  1.0
  Sn  Sn1  1  0.667  0.333  0.331  1.0
  Sn  Sn2  1  0.500  0.000  0.500  1.0
  Sn  Sn3  1  0.832  0.168  0.165  1.0
  Sn  Sn4  1  0.664  0.832  0.835  1.0
  Sn  Sn5  1  0.168  0.336  0.835  1.0
  Sn  Sn6  1  0.000  0.000  0.629  1.0
  Sn  Sn7  1  0.500  0.500  0.500  1.0
  Sn  Sn8  1  0.000  0.000  0.371  1.0
  Sn  Sn9  1  0.000  0.000  0.000  1.0
  Sn  Sn10  1  0.832  0.664  0.165  1.0
  Sn  Sn11  1  0.336  0.168  0.165  1.0
  Sn  Sn12  1  0.168  0.832  0.835  1.0
  Sn  Sn13  1  0.000  0.500  0.500  1.0
  Sn  Sn14  1  0.333  0.667  0.669  1.0
  Sn  Sn15  1  0.333  0.667  0.045  1.0
  N  N16  1  0.667  0.333  0.089  1.0
  N  N17  1  0.822  0.178  0.418  1.0
  N  N18  1  0.845  0.155  0.913  1.0
  N  N19  1  0.178  0.357  0.582  1.0
  N  N20  1  0.643  0.822  0.582  1.0
  N  N21  1  0.691  0.845  0.087  1.0
  N  N22  1  0.155  0.309  0.087  1.0
  N  N23  1  0.000  0.000  0.761  1.0
  N  N24  1  0.000  0.000  0.239  1.0
  N  N25  1  0.845  0.691  0.913  1.0
  N  N26  1  0.309  0.155  0.913  1.0
  N  N27  1  0.822  0.643  0.418  1.0
  N  N28  1  0.357  0.178  0.418  1.0
  N  N29  1  0.155  0.845  0.087  1.0
  N  N30  1  0.178  0.822  0.582  1.0
  N  N31  1  0.333  0.667  0.911  1.0
  O  O32  1  0.523  0.477  0.242  1.0
  O  O33  1  0.667  0.333  0.564  1.0
  O  O34  1  0.523  0.046  0.242  1.0
  O  O35  1  0.954  0.477  0.242  1.0
  O  O36  1  0.046  0.523  0.758  1.0
  O  O37  1  0.477  0.954  0.758  1.0
  O  O38  1  0.333  0.667  0.436  1.0
  O  O39  1  0.477  0.523  0.758  1.0
[/CIF]
.
The compound described by Sn2N2O is beta indium sulfide-derived structured and crystallizes in the trigonal P-3m1 space group. There are six inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one N(1) and three equivalent N(3) atoms to form SnN4 tetrahedra that share corners with three equivalent Sn(6)N6 octahedra and corners with nine equivalent Sn(4)N4O2 octahedra. The corner-sharing octahedral tilt angles range from 57-59°. In the second Sn site, Sn(2) is bonded to three equivalent N(2) and three equivalent O(1) atoms to form SnN3O3 octahedra that share corners with three equivalent Sn(5)N4 tetrahedra, edges with three equivalent Sn(3)N4O2 octahedra, and edges with three equivalent Sn(4)N4O2 octahedra. In the third Sn site, Sn(3) is bonded to four equivalent N(2) and two equivalent O(2) atoms to form SnN4O2 octahedra that share corners with four equivalent Sn(5)N4 tetrahedra, edges with two equivalent Sn(2)N3O3 octahedra, and edges with four equivalent Sn(3)N4O2 octahedra. In the fourth Sn site, Sn(4) is bonded to one N(1), one N(4), two equivalent N(3), and two equivalent O(1) atoms to form SnN4O2 octahedra that share  a cornercorner with one Sn(5)N4 tetrahedra, corners with three equivalent Sn(1)N4 tetrahedra,  an edgeedge with one Sn(2)N3O3 octahedra,  an edgeedge with one Sn(6)N6 octahedra, and edges with four equivalent Sn(4)N4O2 octahedra. In the fifth Sn site, Sn(5) is bonded to one N(4) and three equivalent N(2) atoms to form SnN4 tetrahedra that share corners with three equivalent Sn(2)N3O3 octahedra, corners with three equivalent Sn(4)N4O2 octahedra, and corners with six equivalent Sn(3)N4O2 octahedra. The corner-sharing octahedral tilt angles range from 57-58°. In the sixth Sn site, Sn(6) is bonded to six equivalent N(3) atoms to form SnN6 octahedra that share corners with six equivalent Sn(1)N4 tetrahedra and edges with six equivalent Sn(4)N4O2 octahedra. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted rectangular see-saw-like geometry to one Sn(1) and three equivalent Sn(4) atoms. In the second N site, N(2) is bonded to one Sn(2), one Sn(5), and two equivalent Sn(3) atoms to form a mixture of distorted edge and corner-sharing NSn4 trigonal pyramids. In the third N site, N(3) is bonded to one Sn(1), one Sn(6), and two equivalent Sn(4) atoms to form a mixture of distorted edge and corner-sharing NSn4 trigonal pyramids. In the fourth N site, N(4) is bonded to one Sn(5) and three equivalent Sn(4) atoms to form a mixture of distorted edge and corner-sharing NSn4 trigonal pyramids. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Sn(2) and two equivalent Sn(4) atoms. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to three equivalent Sn(3) atoms. is represented by the CIF card [CIF]
data_Sn2N2O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.455
_cell_length_b   6.455
_cell_length_c   15.809
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   570.399
_cell_formula_units_Z   8
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
  Sn  Sn0  1  0.667  0.333  0.955  1.0
  Sn  Sn1  1  0.667  0.333  0.331  1.0
  Sn  Sn2  1  0.500  0.000  0.500  1.0
  Sn  Sn3  1  0.832  0.168  0.165  1.0
  Sn  Sn4  1  0.664  0.832  0.835  1.0
  Sn  Sn5  1  0.168  0.336  0.835  1.0
  Sn  Sn6  1  0.000  0.000  0.629  1.0
  Sn  Sn7  1  0.500  0.500  0.500  1.0
  Sn  Sn8  1  0.000  0.000  0.371  1.0
  Sn  Sn9  1  0.000  0.000  0.000  1.0
  Sn  Sn10  1  0.832  0.664  0.165  1.0
  Sn  Sn11  1  0.336  0.168  0.165  1.0
  Sn  Sn12  1  0.168  0.832  0.835  1.0
  Sn  Sn13  1  0.000  0.500  0.500  1.0
  Sn  Sn14  1  0.333  0.667  0.669  1.0
  Sn  Sn15  1  0.333  0.667  0.045  1.0
  N  N16  1  0.667  0.333  0.089  1.0
  N  N17  1  0.822  0.178  0.418  1.0
  N  N18  1  0.845  0.155  0.913  1.0
  N  N19  1  0.178  0.357  0.582  1.0
  N  N20  1  0.643  0.822  0.582  1.0
  N  N21  1  0.691  0.845  0.087  1.0
  N  N22  1  0.155  0.309  0.087  1.0
  N  N23  1  0.000  0.000  0.761  1.0
  N  N24  1  0.000  0.000  0.239  1.0
  N  N25  1  0.845  0.691  0.913  1.0
  N  N26  1  0.309  0.155  0.913  1.0
  N  N27  1  0.822  0.643  0.418  1.0
  N  N28  1  0.357  0.178  0.418  1.0
  N  N29  1  0.155  0.845  0.087  1.0
  N  N30  1  0.178  0.822  0.582  1.0
  N  N31  1  0.333  0.667  0.911  1.0
  O  O32  1  0.523  0.477  0.242  1.0
  O  O33  1  0.667  0.333  0.564  1.0
  O  O34  1  0.523  0.046  0.242  1.0
  O  O35  1  0.954  0.477  0.242  1.0
  O  O36  1  0.046  0.523  0.758  1.0
  O  O37  1  0.477  0.954  0.758  1.0
  O  O38  1  0.333  0.667  0.436  1.0
  O  O39  1  0.477  0.523  0.758  1.0
[/CIF]
.