NH4
Bonds
| First atom | Second atom | Bond order type | Distance (experimental model) | Distance (ideal model) | Properties |
| N | HN1 | sing | 1.02Å | 1.00Å | |
| N | HN2 | sing | 1.02Å | 1.00Å | |
| N | HN3 | sing | 1.02Å | 1.00Å | |
| N | HN4 | sing | 1.02Å | 1.00Å |
Angles
| First atom | Second atom | Third atom | Angle (experimental model) | Angle (ideal model) |
| HN1 | N | HN2 | 109.5° | 112.2° |
| HN1 | N | HN3 | 109.4° | 112.2° |
| HN1 | N | HN4 | 109.4° | 98.3° |
| HN2 | N | HN3 | 109.4° | 109.5° |
| HN2 | N | HN4 | 109.4° | 112.2° |
| HN3 | N | HN4 | 109.6° | 112.2° |
Dihedrals
| First atom | Second atom | Third atom | Fourth atom | Torsion (experimental model) | Torsion (ideal model) |
| HN1 | N | HN2 | HN3 | 120.0° | 125.3° |
| HN1 | N | HN2 | HN4 | 120.0° | 109.5° |
| HN1 | N | HN3 | HN4 | 120.0° | 109.5° |
| HN2 | N | HN3 | HN4 | 120.0° | 125.2° |
