Table 3.
Functional group presents in GALR and GALAC.
| Wavenumber (cm−1) |
Band | ||
|---|---|---|---|
| GALR | GALAC | Differences | |
| 3755 | 3755 | 0 | O–H stretch of alcohol |
| 3437 | 3417 | -19 | O–H stretch of alcohol |
| 2922 | 2922 | 0 | C–H stretch of alkanes |
| --- | 2854 | 0 | C–H stretch of alkenes |
| 2376 | 2378 | 2 | H–C=O stretch of aldehydes |
| 1913 | 1867 | -46 | -C≡C- stretch of alkynes |
| 1720 | 1705 | -15 | C=O stretch of β- unsaturated |
| 1641 | 1633 | -8 | -C=C-stretch of alkenes |
| 1529 | 1512 | -17 | C–C stretch of aromatics |
| 1458 | 1442 | -15 | C–H bend of alkanes |
| 1386 | 1384 | -2 | C–H bend of alkanes |
| 1259 | --- | --- | C–H wag of alkyl halides |
| 1066 | --- | --- | C–N stretch of aliphatic amines |
| 665 | --- | --- | C–Br stretch of alkyl halides |
| 437 | 441 | 4 | C–Br stretch of alkyl halides |