HYH
Bonds
| First atom | Second atom | Bond order type | Distance (experimental model) | Distance (ideal model) | Properties |
| N | C5 | sing | 1.35Å | 1.30Å | |
| C5 | O1 | doub | 1.21Å | 1.23Å | |
| C5 | C4 | sing | 1.51Å | 1.53Å | |
| C3 | C4 | sing | 1.53Å | 1.52Å | |
| C3 | C2 | sing | 1.53Å | 1.55Å | |
| C1 | C2 | sing | 1.53Å | 1.48Å | |
| C1 | C | sing | 1.53Å | 1.52Å | |
| C4 | O | sing | 1.43Å | 1.47Å | |
| N | H1 | sing | 0.97Å | 1.00Å | |
| N | H2 | sing | 0.97Å | 1.00Å | |
| C4 | H3 | sing | 1.09Å | 1.10Å | |
| O | H4 | sing | 0.97Å | 0.95Å | |
| C3 | H5 | sing | 1.09Å | 1.10Å | |
| C3 | H6 | sing | 1.09Å | 1.10Å | |
| C2 | H7 | sing | 1.09Å | 1.10Å | |
| C2 | H8 | sing | 1.09Å | 1.10Å | |
| C1 | H9 | sing | 1.09Å | 1.10Å | |
| C1 | H10 | sing | 1.09Å | 1.10Å | |
| C | H11 | sing | 1.09Å | 1.10Å | |
| C | H12 | sing | 1.09Å | 1.10Å | |
| C | H13 | sing | 1.09Å | 1.10Å |
Angles
| First atom | Second atom | Third atom | Angle (experimental model) | Angle (ideal model) |
| N | C5 | O1 | 114.1° | 120.0° |
| N | C5 | C4 | 125.6° | 120.0° |
| C5 | N | H1 | 120.0° | 120.0° |
| C5 | N | H2 | 120.0° | 120.0° |
| O1 | C5 | C4 | 120.3° | 120.0° |
| C5 | C4 | C3 | 104.6° | 109.5° |
| C5 | C4 | O | 112.6° | 109.5° |
| C5 | C4 | H3 | 105.6° | 109.5° |
| C4 | C3 | C2 | 114.3° | 109.5° |
| C3 | C4 | O | 121.0° | 109.5° |
| C3 | C4 | H3 | 105.6° | 109.5° |
| C4 | C3 | H5 | 108.2° | 109.4° |
| C4 | C3 | H6 | 108.3° | 109.5° |
| C3 | C2 | C1 | 113.3° | 109.4° |
| C2 | C3 | H5 | 108.2° | 109.5° |
| C2 | C3 | H6 | 108.2° | 109.5° |
| C3 | C2 | H7 | 108.5° | 109.4° |
| C3 | C2 | H8 | 108.5° | 109.5° |
| C2 | C1 | C | 113.6° | 109.4° |
| C1 | C2 | H7 | 108.5° | 109.5° |
| C1 | C2 | H8 | 108.5° | 109.5° |
| C2 | C1 | H9 | 108.4° | 109.5° |
| C2 | C1 | H10 | 108.4° | 109.5° |
| C | C1 | H9 | 108.4° | 109.5° |
| C | C1 | H10 | 108.4° | 109.5° |
| C1 | C | H11 | 109.5° | 109.4° |
| C1 | C | H12 | 109.4° | 109.5° |
| C1 | C | H13 | 109.5° | 109.4° |
| O | C4 | H3 | 106.2° | 109.4° |
| C4 | O | H4 | 109.5° | 114.0° |
| H1 | N | H2 | 120.0° | 120.0° |
| H5 | C3 | H6 | 109.5° | 109.4° |
| H7 | C2 | H8 | 109.5° | 109.5° |
| H9 | C1 | H10 | 109.5° | 109.5° |
| H11 | C | H12 | 109.4° | 109.5° |
| H11 | C | H13 | 109.5° | 109.5° |
| H12 | C | H13 | 109.5° | 109.5° |
Dihedrals
| First atom | Second atom | Third atom | Fourth atom | Torsion (experimental model) | Torsion (ideal model) |
| N | C5 | O1 | C4 | 178.9° | 179.7° |
| N | C5 | C4 | C3 | 62.6° | 64.8° |
| N | C5 | C4 | O | 70.7° | 175.2° |
| C5 | N | H1 | H2 | 180.0° | 180.0° |
| N | C5 | C4 | H3 | 173.9° | 55.3° |
| O1 | C5 | C4 | C3 | 118.7° | 115.0° |
| O1 | C5 | C4 | O | 108.1° | 5.0° |
| O1 | C5 | N | H1 | 0.0° | 0.0° |
| O1 | C5 | N | H2 | 180.0° | 180.0° |
| O1 | C5 | C4 | H3 | 7.4° | 125.0° |
| C5 | C4 | C3 | O | 128.3° | 120.0° |
| C5 | C4 | C3 | H3 | 111.3° | 120.0° |
| C5 | C4 | C3 | C2 | 157.9° | 175.0° |
| C5 | C4 | O | H3 | 115.2° | 120.0° |
| C4 | C5 | N | H1 | 178.8° | 179.8° |
| C4 | C5 | N | H2 | 1.2° | 0.3° |
| C5 | C4 | O | H4 | 180.0° | 60.0° |
| C5 | C4 | C3 | H5 | 37.2° | 55.0° |
| C5 | C4 | C3 | H6 | 81.4° | 65.0° |
| C4 | C3 | C2 | H5 | 120.7° | 120.0° |
| C4 | C3 | C2 | H6 | 120.7° | 120.0° |
| C4 | C3 | C2 | C1 | 166.8° | 180.0° |
| C3 | C4 | O | H3 | 120.1° | 120.0° |
| C3 | C4 | O | H4 | 55.3° | 60.0° |
| C4 | C3 | H5 | H6 | 117.8° | 120.0° |
| C4 | C3 | C2 | H7 | 46.3° | 60.0° |
| C4 | C3 | C2 | H8 | 72.6° | 60.0° |
| C3 | C2 | C1 | H7 | 120.6° | 120.0° |
| C3 | C2 | C1 | H8 | 120.6° | 120.0° |
| C3 | C2 | C1 | C | 176.9° | NaN° |
| C2 | C3 | C4 | O | 73.8° | 65.0° |
| C2 | C3 | C4 | H3 | 46.6° | 54.9° |
| C2 | C3 | H5 | H6 | 117.8° | 120.0° |
| C3 | C2 | H7 | H8 | 118.3° | 120.0° |
| C3 | C2 | C1 | H9 | 62.5° | 60.0° |
| C3 | C2 | C1 | H10 | 56.3° | 60.0° |
| C2 | C1 | C | H9 | 120.6° | 120.0° |
| C2 | C1 | C | H10 | 120.6° | 120.0° |
| C1 | C2 | C3 | H5 | 72.5° | 60.0° |
| C1 | C2 | C3 | H6 | 46.1° | 60.0° |
| C1 | C2 | H7 | H8 | 118.2° | 120.0° |
| C2 | C1 | H9 | H10 | 118.1° | 120.0° |
| C2 | C1 | C | H11 | 180.0° | 60.0° |
| C2 | C1 | C | H12 | 60.0° | 60.0° |
| C2 | C1 | C | H13 | 60.0° | 180.0° |
| C | C1 | C2 | H7 | 56.3° | 60.0° |
| C | C1 | C2 | H8 | 62.5° | 60.0° |
| C | C1 | H9 | H10 | 118.2° | 120.0° |
| C1 | C | H11 | H12 | 120.0° | 120.0° |
| C1 | C | H11 | H13 | 120.0° | 119.9° |
| C1 | C | H12 | H13 | 120.0° | 120.0° |
| O | C4 | C3 | H5 | 165.5° | 175.0° |
| O | C4 | C3 | H6 | 46.9° | 55.0° |
| H3 | C4 | O | H4 | 64.9° | 180.0° |
| H3 | C4 | C3 | H5 | 74.0° | 65.1° |
| H3 | C4 | C3 | H6 | 167.3° | 175.0° |
| H5 | C3 | C2 | H7 | 167.0° | 180.0° |
| H5 | C3 | C2 | H8 | 48.1° | 60.0° |
| H6 | C3 | C2 | H7 | 74.4° | 60.0° |
| H6 | C3 | C2 | H8 | 166.7° | 180.0° |
| H7 | C2 | C1 | H9 | 176.9° | 180.0° |
| H7 | C2 | C1 | H10 | 64.3° | 60.0° |
| H8 | C2 | C1 | H9 | 58.1° | 60.0° |
| H8 | C2 | C1 | H10 | 176.9° | 180.0° |
| H9 | C1 | C | H11 | 59.4° | 180.0° |
| H9 | C1 | C | H12 | 179.4° | 60.0° |
| H9 | C1 | C | H13 | 60.6° | 60.1° |
| H10 | C1 | C | H11 | 59.4° | 60.0° |
| H10 | C1 | C | H12 | 60.6° | 180.0° |
| H10 | C1 | C | H13 | 179.4° | 60.0° |
| H11 | C | H12 | H13 | 120.0° | 120.0° |






