Research Article
DFT Calculations and Molecular Docking Studies on a Chromene Derivative
Table 3
Calculated 1H-NMR and 13C-NMR chemical shifts (δ (ppm)) based on the TMS B3LYP/6 311+G(2d,p) GIAO reference compared with the experimental results.
| 1H | B3LYP | Expa | 13C | B3LYP | Expa |
| H18 | 7.95 | 7.90 | C7 | 163.41 | 159.96 | H28 | 7.70 | 7.69 | C2 | 161.78 | 158.39 | H14 | 7.66 | 7.47 | C10 | 161.35 | 153.82 | H12 | 7.46 | 7.47 | C20 | 158.51 | 152.53 | H30 | 7.45 | 7.31 | C26 | 150.82 | 143.74 | H16 | 7.39 | 7.31 | C13 | 137.15 | 133.33 | H32 | 7.37 | 7.27 | C27 | 136.21 | 128.94 | H34 | 7.36 | 7.27 | C29 | 133.74 | 128.94 | H36 | 7.14 | 7.27 | C33 | 133.57 | 128.04 | H22 | 4.38 | 7.43 | C31 | 132.54 | 128.04 | H5 | 4.28 | 4.45 | C35 | 131.87 | 127.54 | H23 | 3.79 | 7.43 | C15 | 127.83 | 125.08 | | | | C17 | 126.15 | 122.89 | | | | C11 | 121.73 | 119.67 | | | | C24 | 120.62 | 116.96 | | | | C19 | 118.08 | 113.35 | | | | C6 | 110.77 | 104.39 | | | | C3 | 68.47 | 58.38 | | | | C4 | 43.19 | 37.37 |
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aValues are taken from [ 16]. |