HGU
Bonds
| First atom | Second atom | Bond order type | Distance (experimental model) | Distance (ideal model) | Properties |
| O | N | sing | 1.42Å | 1.42Å | |
| O | HO | sing | 0.97Å | 0.95Å | |
| N | C | sing | 1.37Å | 1.33Å | |
| N | HN | sing | 0.97Å | 1.02Å | |
| C | NH1 | doub | 1.30Å | 1.33Å | |
| C | NH2 | sing | 1.37Å | 1.34Å | |
| NH1 | HN1 | sing | 0.97Å | 1.02Å | |
| NH2 | HN21 | sing | 0.97Å | 1.02Å | |
| NH2 | HN22 | sing | 0.97Å | 1.02Å |
Angles
| First atom | Second atom | Third atom | Angle (experimental model) | Angle (ideal model) |
| N | O | HO | 118.8° | 106.9° |
| O | N | C | 118.9° | 120.1° |
| O | N | HN | 108.8° | 119.9° |
| C | N | HN | 108.9° | 120.0° |
| N | C | NH1 | 119.7° | 120.0° |
| N | C | NH2 | 118.5° | 120.1° |
| NH1 | C | NH2 | 121.8° | 119.9° |
| C | NH1 | HN1 | 19.4° | 120.0° |
| C | NH2 | HN21 | 118.4° | 120.1° |
| C | NH2 | HN22 | 109.0° | 120.0° |
| HN21 | NH2 | HN22 | 109.0° | 119.9° |
Dihedrals
| First atom | Second atom | Third atom | Fourth atom | Torsion (experimental model) | Torsion (ideal model) |
| O | N | C | HN | 125.3° | 180.0° |
| O | N | C | NH1 | 177.9° | 0.0° |
| O | N | C | NH2 | 1.1° | 180.0° |
| HO | O | N | C | 180.0° | 180.0° |
| HO | O | N | HN | 54.7° | 0.0° |
| N | C | NH1 | NH2 | 176.6° | 180.0° |
| N | C | NH1 | HN1 | 75.7° | 0.0° |
| N | C | NH2 | HN21 | 180.0° | 180.0° |
| N | C | NH2 | HN22 | 54.7° | 0.2° |
| HN | N | C | NH1 | 52.6° | 180.0° |
| HN | N | C | NH2 | 124.2° | 0.0° |
| NH1 | C | NH2 | HN21 | 3.4° | 0.0° |
| NH1 | C | NH2 | HN22 | 128.6° | 179.8° |
| NH2 | C | NH1 | HN1 | 101.0° | 180.0° |
| C | NH2 | HN21 | HN22 | 125.3° | 179.8° |
