DDQ | SEL | CTC | Assignment |
---|---|---|---|
 | 3365 3301 3193 | 3139–3500 s, br | O-H stretching N-H stretching |
2229 |  | 2211 | C≡N stretching |
1666 |  | 1634 | C = O stretching |
 | 1629 | 1694 | C = O amide stretching |
 | 1585 | 1554 | N-H bending |
1543 |  | 1554 | C = C stretching |
 | 1491 | 1493 | C = C aromatic stretching |
838 | Â | 813 | C-Cl stretching |