UAN
Bonds
| First atom | Second atom | Bond order type | Distance (experimental model) | Distance (ideal model) | Properties |
| O | C2 | doub | 1.22Å | 1.24Å | |
| C2 | N1 | sing | 1.35Å | 1.39Å | |
| C2 | C3 | sing | 1.41Å | 1.46Å | |
| N1 | C1 | sing | 1.36Å | 1.37Å | |
| C3 | N4 | sing | 1.36Å | 1.39Å | Aromatic |
| C3 | C4 | doub | 1.40Å | 1.38Å | Aromatic |
| N4 | C5 | doub | 1.30Å | 1.32Å | Aromatic |
| C5 | N3 | sing | 1.36Å | 1.36Å | Aromatic |
| N3 | C6 | sing | 1.47Å | 1.46Å | |
| N3 | C4 | sing | 1.37Å | 1.37Å | Aromatic |
| C4 | N2 | sing | 1.34Å | 1.34Å | |
| N2 | C1 | doub | 1.31Å | 1.32Å | |
| C1 | N | sing | 1.37Å | 1.33Å | |
| N | C | sing | 1.47Å | 1.45Å | |
| N1 | H1 | sing | 0.97Å | 1.00Å | |
| C5 | H5 | sing | 1.08Å | 1.08Å | |
| C6 | H61C | sing | 1.09Å | 1.10Å | |
| C6 | H62C | sing | 1.09Å | 1.10Å | |
| C6 | H63C | sing | 1.09Å | 1.10Å | |
| N | H | sing | 0.97Å | 1.00Å | |
| C | HC1 | sing | 1.09Å | 1.10Å | |
| C | HC2 | sing | 1.09Å | 1.10Å | |
| C | HC3 | sing | 1.09Å | 1.10Å |
Angles
| First atom | Second atom | Third atom | Angle (experimental model) | Angle (ideal model) |
| O | C2 | N1 | 122.2° | 120.8° |
| O | C2 | C3 | 125.8° | 120.8° |
| N1 | C2 | C3 | 112.0° | 118.3° |
| C2 | N1 | C1 | 124.0° | 120.4° |
| C2 | N1 | H1 | 118.0° | 119.8° |
| C2 | C3 | N4 | 131.0° | 134.1° |
| C2 | C3 | C4 | 118.1° | 118.6° |
| N1 | C1 | N2 | 124.7° | 121.9° |
| N1 | C1 | N | 116.6° | 119.1° |
| C1 | N1 | H1 | 118.0° | 119.8° |
| N4 | C3 | C4 | 110.4° | 107.3° |
| C3 | N4 | C5 | 103.5° | 109.3° |
| C3 | C4 | N3 | 105.7° | 106.1° |
| C3 | C4 | N2 | 127.7° | 119.7° |
| N4 | C5 | N3 | 113.6° | 109.8° |
| N4 | C5 | H5 | 123.2° | 125.1° |
| C5 | N3 | C6 | 125.8° | 126.3° |
| C5 | N3 | C4 | 106.3° | 107.5° |
| N3 | C5 | H5 | 123.2° | 125.1° |
| C6 | N3 | C4 | 128.0° | 126.2° |
| N3 | C6 | H61C | 109.5° | 109.4° |
| N3 | C6 | H62C | 109.5° | 109.5° |
| N3 | C6 | H63C | 109.4° | 109.5° |
| N3 | C4 | N2 | 126.3° | 134.2° |
| C4 | N2 | C1 | 113.3° | 121.1° |
| N2 | C1 | N | 118.4° | 119.0° |
| C1 | N | C | 124.1° | 120.0° |
| C1 | N | H | 117.9° | 120.0° |
| C | N | H | 118.0° | 120.0° |
| N | C | HC1 | 109.5° | 109.5° |
| N | C | HC2 | 109.4° | 109.5° |
| N | C | HC3 | 109.5° | 109.4° |
| H61C | C6 | H62C | 109.5° | 109.4° |
| H61C | C6 | H63C | 109.5° | 109.5° |
| H62C | C6 | H63C | 109.5° | 109.5° |
| HC1 | C | HC2 | 109.5° | 109.5° |
| HC1 | C | HC3 | 109.5° | 109.5° |
| HC2 | C | HC3 | 109.5° | 109.5° |
Dihedrals
| First atom | Second atom | Third atom | Fourth atom | Torsion (experimental model) | Torsion (ideal model) |
| O | C2 | N1 | C3 | 179.2° | 179.8° |
| O | C2 | N1 | C1 | 178.5° | 180.0° |
| O | C2 | C3 | N4 | 8.9° | 0.1° |
| O | C2 | C3 | C4 | 179.9° | 180.0° |
| O | C2 | N1 | H1 | 1.5° | 0.0° |
| C2 | N1 | C1 | H1 | 180.0° | 180.0° |
| N1 | C2 | C3 | N4 | 171.9° | 179.7° |
| N1 | C2 | C3 | C4 | 0.8° | 0.2° |
| C2 | N1 | C1 | N2 | 3.4° | 0.0° |
| C2 | N1 | C1 | N | 176.1° | 179.9° |
| C3 | C2 | N1 | C1 | 0.7° | 0.2° |
| C2 | C3 | N4 | C4 | 171.7° | 179.9° |
| C2 | C3 | N4 | C5 | 177.2° | 180.0° |
| C2 | C3 | C4 | N3 | 174.8° | 180.0° |
| C2 | C3 | C4 | N2 | 0.1° | 0.0° |
| C3 | C2 | N1 | H1 | 179.3° | 179.8° |
| N1 | C1 | N2 | C4 | 4.0° | 0.3° |
| N1 | C1 | N2 | N | 172.6° | 179.9° |
| N1 | C1 | N | C | 177.5° | 180.0° |
| N1 | C1 | N | H | 2.5° | 0.0° |
| C3 | N4 | C5 | N3 | 7.4° | 0.0° |
| N4 | C3 | C4 | N3 | 1.9° | 0.0° |
| N4 | C3 | C4 | N2 | 172.8° | 180.0° |
| C3 | N4 | C5 | H5 | 172.5° | 180.0° |
| C4 | C3 | N4 | C5 | 5.6° | 0.0° |
| C3 | C4 | N3 | C5 | 2.5° | 0.0° |
| C3 | C4 | N3 | C6 | 177.8° | 180.0° |
| C3 | C4 | N3 | N2 | 174.8° | 180.0° |
| C3 | C4 | N2 | C1 | 2.4° | 0.3° |
| N4 | C5 | N3 | H5 | 180.0° | 180.0° |
| N4 | C5 | N3 | C6 | 173.7° | 180.0° |
| N4 | C5 | N3 | C4 | 6.5° | 0.0° |
| C5 | N3 | C6 | C4 | 179.7° | 180.0° |
| C5 | N3 | C4 | N2 | 177.3° | 180.0° |
| C5 | N3 | C6 | H61C | 180.0° | 90.0° |
| C5 | N3 | C6 | H62C | 60.0° | 150.0° |
| C5 | N3 | C6 | H63C | 60.0° | 30.0° |
| C6 | N3 | C4 | N2 | 3.0° | 0.0° |
| C6 | N3 | C5 | H5 | 6.3° | 0.0° |
| N3 | C6 | H61C | H62C | 120.0° | 119.9° |
| N3 | C6 | H61C | H63C | 120.0° | 120.0° |
| N3 | C6 | H62C | H63C | 120.0° | 120.0° |
| N3 | C4 | N2 | C1 | 176.1° | 179.7° |
| C4 | N3 | C5 | H5 | 173.5° | 180.0° |
| C4 | N3 | C6 | H61C | 0.3° | 90.0° |
| C4 | N3 | C6 | H62C | 120.3° | 30.0° |
| C4 | N3 | C6 | H63C | 119.7° | 150.0° |
| C4 | N2 | C1 | N | 176.6° | 179.8° |
| N2 | C1 | N | C | 9.3° | 0.1° |
| N2 | C1 | N1 | H1 | 176.6° | 180.0° |
| N2 | C1 | N | H | 170.7° | 179.9° |
| C1 | N | C | H | 180.0° | 180.0° |
| N | C1 | N1 | H1 | 3.8° | 0.1° |
| C1 | N | C | HC1 | 180.0° | 60.0° |
| C1 | N | C | HC2 | 60.0° | 60.0° |
| C1 | N | C | HC3 | 60.0° | 180.0° |
| N | C | HC1 | HC2 | 120.0° | 120.0° |
| N | C | HC1 | HC3 | 120.0° | 120.0° |
| N | C | HC2 | HC3 | 120.0° | 120.0° |
| H61C | C6 | H62C | H63C | 120.0° | 120.1° |
| H | N | C | HC1 | 0.0° | 120.0° |
| H | N | C | HC2 | 120.0° | 120.0° |
| H | N | C | HC3 | 120.0° | 0.0° |
| HC1 | C | HC2 | HC3 | 120.0° | 120.1° |






