| Bands (cm-1) |
Functional Group |
| 3428 |
O-H stretching |
| 2927 |
C-H, C-H2 stretching |
| 1734 |
Carbonyl C=O stretching (hemicellulose) |
| 1631 |
C=C stretching (lignin) |
| 1505 |
Benzene ring stretching (lignin) |
| 1437 |
C-H2 shearing(cellulose), C-H2 benching (lignin) |
| 1376 |
C-H benching(cellulose, hemicellulose) |
| 1330 |
O-H in-plane benching (cellulose) |
| 1256 |
C-O-C stretching in alkyl aromatic (lignin) |
| 1162 |
C-O-C asymmetry stretching (cellulose, hemicellulose) |
| 1050 |
C-O stretching (cellulose, hemicellulose) |
| 1020 |
C-O stretching (cellulose, hemicellulose) |
| 891 |
C-H in-plane benching (lignin) |
