ET8
Bonds
| First atom | Second atom | Bond order type | Distance (experimental model) | Distance (ideal model) | Properties |
| C20 | N19 | doub | 1.32Å | 1.34Å | Aromatic |
| C20 | C21 | sing | 1.38Å | 1.40Å | Aromatic |
| N19 | C18 | sing | 1.32Å | 1.34Å | Aromatic |
| C21 | C16 | doub | 1.40Å | 1.39Å | Aromatic |
| C18 | C17 | doub | 1.38Å | 1.38Å | Aromatic |
| C6 | C5 | doub | 1.40Å | 1.42Å | Aromatic |
| C6 | C1 | sing | 1.36Å | 1.42Å | Aromatic |
| C16 | C17 | sing | 1.40Å | 1.40Å | Aromatic |
| C16 | C5 | sing | 1.48Å | 1.50Å | |
| C5 | C4 | sing | 1.39Å | 1.38Å | Aromatic |
| C1 | C2 | doub | 1.39Å | 1.40Å | Aromatic |
| C4 | C3 | doub | 1.39Å | 1.37Å | Aromatic |
| C2 | C3 | sing | 1.41Å | 1.48Å | Aromatic |
| C2 | N7 | sing | 1.37Å | 1.34Å | Aromatic |
| C3 | C9 | sing | 1.47Å | 1.48Å | Aromatic |
| N7 | N8 | sing | 1.40Å | 1.43Å | Aromatic |
| C9 | N8 | doub | 1.31Å | 1.38Å | Aromatic |
| C9 | C10 | sing | 1.48Å | 1.52Å | |
| C11 | C10 | doub | 1.39Å | 1.41Å | Aromatic |
| C11 | C12 | sing | 1.38Å | 1.39Å | Aromatic |
| C10 | C15 | sing | 1.39Å | 1.40Å | Aromatic |
| C12 | C13 | doub | 1.38Å | 1.39Å | Aromatic |
| C15 | C14 | doub | 1.38Å | 1.40Å | Aromatic |
| C13 | C14 | sing | 1.38Å | 1.40Å | Aromatic |
| C18 | H1 | sing | 1.08Å | 1.08Å | |
| C20 | H2 | sing | 1.08Å | 1.08Å | |
| C17 | H3 | sing | 1.08Å | 1.08Å | |
| C21 | H4 | sing | 1.08Å | 1.08Å | |
| C4 | H5 | sing | 1.08Å | 1.08Å | |
| C1 | H6 | sing | 1.08Å | 1.08Å | |
| C6 | H7 | sing | 1.08Å | 1.08Å | |
| N7 | H8 | sing | 0.97Å | 1.00Å | |
| C11 | H9 | sing | 1.08Å | 1.08Å | |
| C12 | H10 | sing | 1.08Å | 1.08Å | |
| C13 | H11 | sing | 1.08Å | 1.08Å | |
| C14 | H12 | sing | 1.08Å | 1.08Å | |
| C15 | H13 | sing | 1.08Å | 1.08Å |
Angles
| First atom | Second atom | Third atom | Angle (experimental model) | Angle (ideal model) |
| N19 | C20 | C21 | 121.7° | 120.8° |
| C20 | N19 | C18 | 120.5° | 122.0° |
| N19 | C20 | H2 | 119.2° | 119.6° |
| C20 | C21 | C16 | 119.0° | 119.1° |
| C21 | C20 | H2 | 119.2° | 119.6° |
| C20 | C21 | H4 | 120.5° | 120.4° |
| N19 | C18 | C17 | 120.4° | 120.9° |
| N19 | C18 | H1 | 119.8° | 119.6° |
| C21 | C16 | C17 | 117.4° | 118.2° |
| C21 | C16 | C5 | 122.6° | 120.9° |
| C16 | C21 | H4 | 120.5° | 120.5° |
| C18 | C17 | C16 | 121.0° | 119.0° |
| C17 | C18 | H1 | 119.8° | 119.5° |
| C18 | C17 | H3 | 119.5° | 120.5° |
| C5 | C6 | C1 | 122.2° | 120.6° |
| C6 | C5 | C16 | 127.2° | 119.9° |
| C6 | C5 | C4 | 119.1° | 120.1° |
| C5 | C6 | H7 | 118.9° | 119.6° |
| C6 | C1 | C2 | 119.0° | 120.2° |
| C6 | C1 | H6 | 120.5° | 119.9° |
| C1 | C6 | H7 | 118.9° | 119.7° |
| C17 | C16 | C5 | 119.9° | 120.9° |
| C16 | C17 | H3 | 119.5° | 120.5° |
| C16 | C5 | C4 | 113.7° | 119.9° |
| C5 | C4 | C3 | 120.4° | 119.5° |
| C5 | C4 | H5 | 119.8° | 120.3° |
| C1 | C2 | C3 | 117.1° | 119.7° |
| C1 | C2 | N7 | 138.8° | 133.4° |
| C2 | C1 | H6 | 120.5° | 119.9° |
| C4 | C3 | C2 | 122.1° | 119.9° |
| C4 | C3 | C9 | 128.0° | 133.9° |
| C3 | C4 | H5 | 119.8° | 120.3° |
| C3 | C2 | N7 | 104.0° | 106.9° |
| C2 | C3 | C9 | 109.9° | 106.3° |
| C2 | N7 | N8 | 112.0° | 109.3° |
| C2 | N7 | H8 | 124.0° | 125.3° |
| C3 | C9 | N8 | 103.3° | 107.5° |
| C3 | C9 | C10 | 124.1° | 126.2° |
| N7 | N8 | C9 | 110.8° | 110.0° |
| N8 | N7 | H8 | 124.0° | 125.4° |
| N8 | C9 | C10 | 132.6° | 126.2° |
| C9 | C10 | C11 | 120.3° | 120.1° |
| C9 | C10 | C15 | 122.2° | 120.1° |
| C10 | C11 | C12 | 122.0° | 119.9° |
| C11 | C10 | C15 | 117.5° | 119.8° |
| C10 | C11 | H9 | 119.0° | 120.1° |
| C11 | C12 | C13 | 119.6° | 120.1° |
| C12 | C11 | H9 | 119.0° | 120.0° |
| C11 | C12 | H10 | 120.2° | 119.9° |
| C10 | C15 | C14 | 120.6° | 119.9° |
| C10 | C15 | H13 | 119.7° | 120.1° |
| C12 | C13 | C14 | 119.4° | 120.3° |
| C13 | C12 | H10 | 120.2° | 120.0° |
| C12 | C13 | H11 | 120.3° | 119.9° |
| C15 | C14 | C13 | 120.9° | 120.1° |
| C15 | C14 | H12 | 119.6° | 119.9° |
| C14 | C15 | H13 | 119.7° | 120.1° |
| C14 | C13 | H11 | 120.3° | 119.9° |
| C13 | C14 | H12 | 119.5° | 119.9° |
Dihedrals
| First atom | Second atom | Third atom | Fourth atom | Torsion (experimental model) | Torsion (ideal model) |
| N19 | C20 | C21 | H2 | 180.0° | 180.0° |
| N19 | C20 | C21 | C16 | 0.9° | 0.3° |
| C20 | N19 | C18 | C17 | 0.1° | 0.1° |
| C20 | N19 | C18 | H1 | 179.9° | 179.8° |
| N19 | C20 | C21 | H4 | 179.0° | 180.0° |
| C21 | C20 | N19 | C18 | 0.1° | 0.0° |
| C20 | C21 | C16 | H4 | 180.0° | 179.7° |
| C20 | C21 | C16 | C17 | 1.4° | 0.5° |
| C20 | C21 | C16 | C5 | 178.4° | 179.9° |
| N19 | C18 | C17 | H1 | 180.0° | 179.7° |
| N19 | C18 | C17 | C16 | 0.5° | 0.3° |
| C18 | N19 | C20 | H2 | 179.9° | 180.0° |
| N19 | C18 | C17 | H3 | 179.5° | 179.7° |
| C21 | C16 | C17 | C18 | 1.2° | 0.5° |
| C21 | C16 | C5 | C6 | 27.6° | 179.2° |
| C21 | C16 | C17 | C5 | 177.1° | 179.5° |
| C21 | C16 | C5 | C4 | 150.0° | 0.6° |
| C16 | C21 | C20 | H2 | 179.1° | 179.8° |
| C21 | C16 | C17 | H3 | 178.7° | 179.5° |
| C18 | C17 | C16 | H3 | 180.0° | 179.9° |
| C18 | C17 | C16 | C5 | 178.3° | 179.9° |
| C5 | C6 | C1 | H7 | 180.0° | 179.7° |
| C6 | C5 | C16 | C17 | 155.4° | 0.3° |
| C6 | C5 | C16 | C4 | 177.6° | 179.8° |
| C5 | C6 | C1 | C2 | 0.6° | 0.5° |
| C6 | C5 | C4 | C3 | 1.3° | 0.2° |
| C6 | C5 | C4 | H5 | 178.7° | 179.7° |
| C5 | C6 | C1 | H6 | 179.4° | 179.7° |
| C1 | C6 | C5 | C16 | 178.8° | 179.7° |
| C1 | C6 | C5 | C4 | 1.3° | 0.5° |
| C6 | C1 | C2 | H6 | 180.0° | 179.7° |
| C6 | C1 | C2 | C3 | 0.0° | 0.3° |
| C6 | C1 | C2 | N7 | 179.9° | 179.7° |
| C17 | C16 | C5 | C4 | 26.9° | 180.0° |
| C16 | C17 | C18 | H1 | 179.5° | 180.0° |
| C17 | C16 | C21 | H4 | 178.5° | 179.8° |
| C16 | C5 | C4 | C3 | 179.1° | 180.0° |
| C5 | C16 | C17 | H3 | 1.6° | 0.0° |
| C5 | C16 | C21 | H4 | 1.5° | 0.3° |
| C16 | C5 | C4 | H5 | 0.9° | 0.1° |
| C16 | C5 | C6 | H7 | 1.2° | 0.0° |
| C5 | C4 | C3 | H5 | 180.0° | 179.9° |
| C5 | C4 | C3 | C2 | 0.7° | 0.1° |
| C5 | C4 | C3 | C9 | 179.5° | 180.0° |
| C4 | C5 | C6 | H7 | 178.7° | 179.8° |
| C1 | C2 | C3 | C4 | 0.0° | 0.1° |
| C1 | C2 | C3 | N7 | 179.9° | 180.0° |
| C1 | C2 | C3 | C9 | 179.9° | 180.0° |
| C1 | C2 | N7 | N8 | 180.0° | 180.0° |
| C2 | C1 | C6 | H7 | 179.4° | 179.8° |
| C1 | C2 | N7 | H8 | 0.0° | 0.0° |
| C4 | C3 | C2 | C9 | 179.8° | 179.9° |
| C4 | C3 | C2 | N7 | 179.9° | 180.0° |
| C4 | C3 | C9 | N8 | 180.0° | 180.0° |
| C4 | C3 | C9 | C10 | 1.5° | 0.1° |
| C3 | C2 | N7 | N8 | 0.1° | 0.0° |
| C2 | C3 | C9 | N8 | 0.2° | 0.1° |
| C2 | C3 | C9 | C10 | 178.7° | 180.0° |
| C2 | C3 | C4 | H5 | 179.3° | 180.0° |
| C3 | C2 | C1 | H6 | 180.0° | 180.0° |
| C3 | C2 | N7 | H8 | 179.9° | 180.0° |
| N7 | C2 | C3 | C9 | 0.1° | 0.0° |
| C2 | N7 | N8 | H8 | 180.0° | 180.0° |
| C2 | N7 | N8 | C9 | 0.3° | 0.0° |
| N7 | C2 | C1 | H6 | 0.1° | 0.0° |
| C3 | C9 | N8 | N7 | 0.3° | 0.1° |
| C3 | C9 | N8 | C10 | 178.3° | 179.9° |
| C3 | C9 | C10 | C11 | 34.0° | 34.7° |
| C3 | C9 | C10 | C15 | 147.6° | 145.0° |
| C9 | C3 | C4 | H5 | 0.5° | 0.1° |
| N7 | N8 | C9 | C10 | 178.6° | 180.0° |
| N8 | C9 | C10 | C11 | 144.1° | 145.3° |
| N8 | C9 | C10 | C15 | 34.4° | 34.9° |
| C9 | N8 | N7 | H8 | 179.8° | 180.0° |
| C9 | C10 | C11 | C15 | 178.5° | 179.7° |
| C9 | C10 | C11 | C12 | 179.6° | 180.0° |
| C9 | C10 | C15 | C14 | 179.4° | 179.7° |
| C9 | C10 | C11 | H9 | 0.4° | 0.1° |
| C9 | C10 | C15 | H13 | 0.7° | 0.0° |
| C10 | C11 | C12 | H9 | 180.0° | 179.9° |
| C10 | C11 | C12 | C13 | 0.7° | 0.0° |
| C11 | C10 | C15 | C14 | 0.9° | 0.6° |
| C10 | C11 | C12 | H10 | 179.3° | 180.0° |
| C11 | C10 | C15 | H13 | 179.2° | 179.7° |
| C12 | C11 | C10 | C15 | 1.1° | 0.3° |
| C11 | C12 | C13 | H10 | 180.0° | 180.0° |
| C11 | C12 | C13 | C14 | 0.1° | 0.1° |
| C11 | C12 | C13 | H11 | 179.9° | 180.0° |
| C10 | C15 | C14 | H13 | 180.0° | 179.7° |
| C10 | C15 | C14 | C13 | 0.4° | 0.6° |
| C15 | C10 | C11 | H9 | 178.9° | 179.8° |
| C10 | C15 | C14 | H12 | 179.7° | 179.7° |
| C12 | C13 | C14 | C15 | 0.0° | 0.4° |
| C12 | C13 | C14 | H11 | 180.0° | 179.9° |
| C13 | C12 | C11 | H9 | 179.3° | 180.0° |
| C12 | C13 | C14 | H12 | 179.9° | 180.0° |
| C15 | C14 | C13 | H12 | 180.0° | 179.6° |
| C15 | C14 | C13 | H11 | 180.0° | 179.7° |
| C14 | C13 | C12 | H10 | 179.9° | 179.9° |
| C13 | C14 | C15 | H13 | 179.7° | 179.6° |
| H1 | C18 | C17 | H3 | 0.5° | 0.0° |
| H2 | C20 | C21 | H4 | 0.9° | 0.1° |
| H6 | C1 | C6 | H7 | 0.6° | 0.1° |
| H9 | C11 | C12 | H10 | 0.7° | 0.1° |
| H10 | C12 | C13 | H11 | 0.1° | 0.0° |
| H11 | C13 | C14 | H12 | 0.1° | 0.1° |
| H12 | C14 | C15 | H13 | 0.3° | 0.0° |






