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 |