International Journal of Phytomedicine and Phytotherapy
Wave number (cm− 1) | Assigned functional group |
---|---|
539 | torsion and ring torsion of phenyl |
600-900 | -CH out of plane bending vibrations |
1053 | C-OH |
1233, 1239, 1323, 1338, 1377 | C-O stretching vibrations |
1401 | –OH bending vibrations |
1630 | =C–H stretching vibrations |
1697, 1728 | –C=O stretching vibrations |
2867, 2941, 2944 | Asymmetric –CH2–, symmetric –CH3 and –CH2– stretching vibrations |
3455, 3516 | Stretching vibration of bonded and non-bonded –O–H groups |