HIO
Bonds
| First atom | Second atom | Bond order type | Distance (experimental model) | Distance (ideal model) | Properties |
| C1 | O11 | doub | 1.21Å | 1.22Å | |
| C1 | O12 | sing | 1.35Å | 1.38Å | |
| C1 | C2 | sing | 1.49Å | 1.52Å | |
| O12 | H12 | sing | 0.97Å | 0.95Å | |
| C2 | O2 | doub | 1.21Å | 1.28Å | |
| C2 | N3 | sing | 1.35Å | 1.40Å | |
| N3 | O3 | sing | 1.42Å | 1.40Å | |
| N3 | C4 | sing | 1.46Å | 1.51Å | |
| O3 | HO3 | sing | 0.97Å | 0.95Å | |
| C4 | C41 | sing | 1.53Å | 1.56Å | |
| C4 | C42 | sing | 1.53Å | 1.51Å | |
| C4 | H4 | sing | 1.09Å | 1.11Å | |
| C41 | H411 | sing | 1.09Å | 1.11Å | |
| C41 | H412 | sing | 1.09Å | 1.11Å | |
| C41 | H413 | sing | 1.09Å | 1.11Å | |
| C42 | H421 | sing | 1.09Å | 1.11Å | |
| C42 | H422 | sing | 1.09Å | 1.12Å | |
| C42 | H423 | sing | 1.09Å | 1.12Å |
Angles
| First atom | Second atom | Third atom | Angle (experimental model) | Angle (ideal model) |
| O11 | C1 | O12 | 116.9° | 120.0° |
| O11 | C1 | C2 | 125.8° | 120.0° |
| O12 | C1 | C2 | 116.1° | 120.0° |
| C1 | O12 | H12 | 116.9° | 120.0° |
| C1 | C2 | O2 | 116.9° | 120.0° |
| C1 | C2 | N3 | 122.5° | 120.0° |
| O2 | C2 | N3 | 120.3° | 120.0° |
| C2 | N3 | O3 | 113.3° | 120.0° |
| C2 | N3 | C4 | 124.7° | 120.0° |
| O3 | N3 | C4 | 117.5° | 120.0° |
| N3 | O3 | HO3 | 113.3° | 106.8° |
| N3 | C4 | C41 | 117.4° | 109.5° |
| N3 | C4 | C42 | 105.3° | 109.5° |
| N3 | C4 | H4 | 107.3° | 109.5° |
| C41 | C4 | C42 | 110.1° | 109.5° |
| C41 | C4 | H4 | 102.3° | 109.4° |
| C4 | C41 | H411 | 117.3° | 109.5° |
| C4 | C41 | H412 | 109.3° | 109.6° |
| C4 | C41 | H413 | 109.3° | 109.5° |
| C42 | C4 | H4 | 115.0° | 109.4° |
| C4 | C42 | H421 | 105.3° | 109.4° |
| C4 | C42 | H422 | 113.8° | 109.5° |
| C4 | C42 | H423 | 113.8° | 109.5° |
| H411 | C41 | H412 | 109.4° | 109.4° |
| H411 | C41 | H413 | 109.4° | 109.4° |
| H412 | C41 | H413 | 100.8° | 109.4° |
| H421 | C42 | H422 | 113.8° | 109.5° |
| H421 | C42 | H423 | 113.8° | 109.4° |
| H422 | C42 | H423 | 96.7° | 109.5° |
Dihedrals
| First atom | Second atom | Third atom | Fourth atom | Torsion (experimental model) | Torsion (ideal model) |
| O11 | C1 | O12 | C2 | 168.5° | 179.9° |
| O11 | C1 | O12 | H12 | 179.9° | 0.2° |
| O11 | C1 | C2 | O2 | 164.1° | 174.9° |
| O11 | C1 | C2 | N3 | 22.4° | 5.1° |
| O12 | C1 | C2 | O2 | 3.2° | 5.0° |
| O12 | C1 | C2 | N3 | 170.3° | 175.0° |
| C2 | C1 | O12 | H12 | 11.5° | 179.9° |
| C1 | C2 | O2 | N3 | 173.7° | 180.0° |
| C1 | C2 | N3 | O3 | 146.5° | 7.5° |
| C1 | C2 | N3 | C4 | 8.8° | 172.5° |
| O2 | C2 | N3 | O3 | 40.1° | 172.5° |
| O2 | C2 | N3 | C4 | 164.5° | 7.5° |
| C2 | N3 | O3 | C4 | 157.3° | 180.0° |
| C2 | N3 | O3 | HO3 | 179.9° | 6.8° |
| C2 | N3 | C4 | C41 | 122.3° | 60.1° |
| C2 | N3 | C4 | C42 | 114.9° | 60.0° |
| C2 | N3 | C4 | H4 | 8.0° | 180.0° |
| O3 | N3 | C4 | C41 | 83.3° | 120.0° |
| O3 | N3 | C4 | C42 | 39.5° | 119.9° |
| O3 | N3 | C4 | H4 | 162.4° | 0.1° |
| C4 | N3 | O3 | HO3 | 22.7° | 173.2° |
| N3 | C4 | C41 | C42 | 120.3° | 120.1° |
| N3 | C4 | C41 | H4 | 117.1° | 120.0° |
| N3 | C4 | C42 | H4 | 117.8° | 120.0° |
| N3 | C4 | C41 | H411 | 180.0° | 180.0° |
| N3 | C4 | C41 | H412 | 54.7° | 60.0° |
| N3 | C4 | C41 | H413 | 54.8° | 60.1° |
| N3 | C4 | C42 | H421 | 180.0° | 60.0° |
| N3 | C4 | C42 | H422 | 54.7° | 59.9° |
| N3 | C4 | C42 | H423 | 54.7° | 180.0° |
| C41 | C4 | C42 | H4 | 114.8° | 119.9° |
| C4 | C41 | H411 | H412 | 125.3° | 120.1° |
| C4 | C41 | H411 | H413 | 125.2° | 120.0° |
| C4 | C41 | H412 | H413 | 115.1° | 120.0° |
| C41 | C4 | C42 | H421 | 52.7° | 60.0° |
| C41 | C4 | C42 | H422 | 72.7° | 180.0° |
| C41 | C4 | C42 | H423 | 177.9° | 59.9° |
| C42 | C4 | C41 | H411 | 59.7° | 59.9° |
| C42 | C4 | C41 | H412 | 175.0° | 180.0° |
| C42 | C4 | C41 | H413 | 65.6° | 60.0° |
| C4 | C42 | H421 | H422 | 125.3° | 120.0° |
| C4 | C42 | H421 | H423 | 125.3° | 120.0° |
| C4 | C42 | H422 | H423 | 119.7° | 120.1° |
| H4 | C4 | C41 | H411 | 63.0° | 60.0° |
| H4 | C4 | C41 | H412 | 62.3° | 60.0° |
| H4 | C4 | C41 | H413 | 171.8° | 180.0° |
| H4 | C4 | C42 | H421 | 62.1° | 179.9° |
| H4 | C4 | C42 | H422 | 172.6° | 60.1° |
| H4 | C4 | C42 | H423 | 63.1° | 60.0° |
| H411 | C41 | H412 | H413 | 115.2° | 119.9° |
| H421 | C42 | H422 | H423 | 119.6° | 120.0° |






