No | Wavenumber (cm−1) | Functional group | References |
---|---|---|---|
1 | 3054 | C-H bond of the phenyl ring | [20] |
2 | 2968–2969 | C-H bond of the ethyl group | [20] |
3 | 2907 | C=O bond of the ester group | [21] |
4 | 1742–1743 | C=O bond of the ester group | [21] |
5 | 1578–1579 | C-H bond of the phenyl ring | [20] |
6 | 1504–1505 | C=C bond of the phenyl ring | [21] |
7 | 1413–1415 | C-C bond of the phenyl ring | [20] |
8 | 1140–1142 | C-O bond of the ester group | [20] |
9 | 1024–1025 | C-O bond of the ester group | [21] |
10 | 737–738 | C-H bond of the ethyl group | [20] |