Peak No | Wavenumber (cm–1) | Peak assignment | Representing biomolecule | References |
---|---|---|---|---|
1 | 3008 | =C–H stretching | Lipid | |
2 | 2953 | –C–H (CH3) stretching (asym) | Lipid | |
3 | 2924 | –C–H (CH2) stretching (asym) | Lipid | |
4 | 2853 | –C–H (CH2) stretching (sym) | Lipid | |
5 | 1745 | –C=O (ester) stretching | Lipid | |
6 | 1465 | –C–H (CH2, CH3) bending (scissoring) | Lipid | |
7 | 1415 | C–H rocking | Protein | [87] |
8 | 1377 | –C–H (CH3) bending (sym) | Lipid | [86] |
9 | 1240–1265 | P=O asymmetric stretching of > PO2 phosphodiester | Polyphosphate, phospholipid | |
10 | 720 | CH2 rocking, bending | Lipid | Â |