| Structure | Chemical Shift (ppm) |
|---|---|
| R-CH3 | 0.9 |
| R-CH2-R | 1.3 |
| R3-C-H | 1.5 |
| C=C-H | 5.2-5.7 |
| C=C-H | 4.6-5 |
| C=C-CH | 1.7 |
| C≡C-H | 1.7-3.1 |
| Ar-H | 6-9.5 |
| Ar-C-H | 2.2-2.5 |
| F-C-H | 4-4.5 |
| Cl-C-H | 3.7 |
| Br-C-H | 3.5 |
| I-C-H | 3.2 |
| H-C-OH | 3.4-4 |
| R-C-OH | 1-5.5 |
| RO-C-H | 3.3-4 |
| RCOO-C-H | 3.7-4.1 |
| H-C-COOR | 2.1 |
| H-C-COOH | 2-2.6 |
| RCOOH | 9-12 |
| O=C-C-H | 2.1-2.6 |
| R-(C=O)H | 9.5-9.9 |
| Ar-OH | 4-10 |
| C=C-OH | 15-17 |
| C-SH | 3.4-4 |
| RNH2 | 0.5-5 |
| RCONHR | 5-9 |
| ArNH2 | 3-5 |
| Structure | Chemical Shift (ppm) |
|---|---|
| C=O (in ketones) | 205-220 |
| C=O (in aldehydes) | 190-200 |
| C=O (in acids and esters) | 160-185 |
| C in aromatic rings | 125-150 |
| C=C (in alkenes) | 115-140 |
| R-CH2O- | 50-90 |
| R-CH2Cl | 30-60 |
| R-CH2NH2 | 30-65 |
| R3C-H | 25-35 |
| CH3CO- | 20-50 |
| R2CH2 | 16-25 |
| R-CH3 | 10-15 |
| Acetal | Drying with Na to remove the alcohol and water, and polymerizing the aldehyde, followed by fractional distillation. |
