Proton, Carbon-13 and Nitrogen Chemical Shift Ranges - Proton*
| Group | Range (ppm) |
|---|---|
| CH3-C | 0.5 - 1.5 |
| CH3-N | 2.0 - 4.0 |
| CH3-O | 3.0 - 4.0 |
| CH3-C=C | 1.0 - 2.5 |
| CH3C=O | 1.5 - 3.0 |
| CH3-C6H4R | 2.0 - 3.0 |
| CH2-C | 1.0 - 2.0 |
| Cyclopropyl protons | -0.5 - 0.5 |
| CH2-X, X = halogen | 2.0 - 4.5 |
| CH2-O | 3.0 - 4.0 |
| CH2-N | 2.0 - 4.0 |
| CH2-C=C | 1.5 - 2.5 |
| CH2-C=O | 2.0 - 3.0 |
| CH2-C6H4R | 2.0 - 3.5 |
| CH-C | 0.5 - 1.5 |
| Group | Range (ppm) |
|---|---|
| CH-X, X = halogen | 4.0 - 6.0 |
| CH-O | 3.5 - 5.5 |
| CH-N | 2.5 - 4.5 |
| CH-C=O | 2.0 - 3.0 |
| CH-C6H4R | 2.5 - 3.5 |
| H-C≡C | 2.0 - 3.0 |
| Alkenes, nonconjugated | 4.5 - 6.5 |
| Alkenes, conjugated | 5.5 - 7.5 |
| H-C6H4R, aromatics | 6.5 - 8.5 |
| H-C6H4R, heteroaromatics | 6.0 - 9.0 |
| R-OH, alcohols | 0.5 - 6.0 |
| RNH2 | 2.0 - 3.0 |
| R2NH | 0.5 - 4.5 |
| H-C=O, aldehydes | 9.0 -10.5 |
| RC(O)OH, acids | 10.0 -13.0 |
* relative to TMS
Reference: Silverstein, Bassler and Morrill, Ch. 4 (proton data); Breitmaier and Voelter (carbon-13 data); G.C. Levy and R.L. Lichter, "Nitrogen-15 Nuclear Magnetic Resonance Spectroscopy," Wiley-Interscience, NY, 1979 (nitrogen data).