| 712.65 | C?Cl | Chloride |
| 859.23 | C?H | Aromatics |
| 1081.99 | C?N stretch | Aliphatic amines |
| 1475.44 | N?O asymmetric stretch | Nitro compounds |
| 1787.89 | C=O stretch (R-C(O)-Cl ) | Acyl Chlorides |
| 2521.75 | O?H stretch | Carboxylic acids |
| 2852.52 | C-H stretch | Alkanes |
| 2920.99 | C-H stretch | Alkanes |
| 3642.32 | O?H stretch | alcohols |