




|
Wavenumber
(cmˉ¹) |
Functionality |
|
3426 |
Intermolecular hydrogen bonding |
|
2940 |
C-H stretching vibration |
|
2859 |
C-H stretching vibration (Aromatic methylene dioxy
compounds) |
|
1638 |
C=C stretching vibration |
|
1588 |
C=C stretching vibration |
|
1449 |
C-H stretching vibration |
|
1256 |
C-O stretching vibration (Aromatic methylene dioxy
compounds) |

