SEY
Bonds
| First atom | Second atom | Bond order type | Distance (experimental model) | Distance (ideal model) | Properties |
| SE | C | doub | 1.70Å | 1.55Å | |
| N2 | C | sing | 1.40Å | 1.34Å | |
| C | N1 | sing | 1.40Å | 1.34Å | |
| N2 | H2 | sing | 0.97Å | 1.00Å | |
| N1 | H3 | sing | 0.97Å | 1.00Å | |
| N1 | H4 | sing | 0.97Å | 1.00Å | |
| N2 | H1 | sing | 0.97Å | 1.00Å |
Angles
| First atom | Second atom | Third atom | Angle (experimental model) | Angle (ideal model) |
| SE | C | N2 | 119.2° | 120.0° |
| SE | C | N1 | 120.4° | 120.0° |
| N2 | C | N1 | 120.4° | 120.0° |
| C | N2 | H2 | 109.5° | 120.0° |
| C | N2 | H1 | 109.5° | 120.0° |
| C | N1 | H3 | 109.5° | 120.0° |
| C | N1 | H4 | 109.5° | 120.0° |
| H2 | N2 | H1 | 109.4° | 120.0° |
| H3 | N1 | H4 | 109.4° | 120.0° |
Dihedrals
| First atom | Second atom | Third atom | Fourth atom | Torsion (experimental model) | Torsion (ideal model) |
| SE | C | N2 | N1 | 179.9° | 179.7° |
| SE | C | N2 | H2 | 0.0° | 0.0° |
| SE | C | N1 | H3 | 0.0° | 0.0° |
| SE | C | N1 | H4 | 120.0° | 180.0° |
| SE | C | N2 | H1 | 120.0° | 180.0° |
| C | N2 | H2 | H1 | 120.0° | 180.0° |
| N2 | C | N1 | H3 | 179.9° | 179.7° |
| N2 | C | N1 | H4 | 59.9° | 0.3° |
| N1 | C | N2 | H2 | 179.9° | 179.7° |
| C | N1 | H3 | H4 | 120.0° | 180.0° |
| N1 | C | N2 | H1 | 60.1° | 0.3° |
