| Wave number (cm−1) | functional group | compounds |
| 3385.73 | O-H stretching | alcohol (strong) |
| 2925.11 | C-H stretching | alkene (medium) |
| 1629.02 | C=C stretching | α,β-unsaturated ketone (strong) |
| 1365.69 | O-H bending | alcohol (medium) |
| 1243.06 | C-O stretching | alkyne aryl ether (strong) |
| 1023.13 | C-O stretching | vinyl ether (strong) |
| 576.26 | C-Cl stretching | halo compound (strong) |