IR Absorption Table
From The Science of Spectroscopy
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| Functional Group | Absorption Band Position (cm-1) | |
| C-H | 2850-2960 | |
| =C-H | 3020-3100 | |
| C=C | 1650-1670 | |
| ≡C-H | 3300 | |
| C≡C | 2100-2260 | |
| C-Cl | 600-800 | |
| C-Br | 500-600 | |
| C-I | 500 | |
| O-H | 3400-3640 | |
| C-OH | 1050-1150 | |
 | 3030 | |
 | 1600,1500 | |
| N-H | 3310-3500 | |
| C-N | 1030,1230 | |
| C=O | 1670-1780 | |
| COOH | 2500-3100 | |
| C≡N | 2210-2260 | |
| NO2 | 1540 |
