Table 2.
S/No. | Frequency Range (cm−1) | Functional Group Identified |
---|---|---|
1 | 3271 | hydroxyl compound |
2 | 2958, 2923, and 2855 | CH and CH2 stretching aliphatic group |
3 | 1733 | carbonyl group |
4 | 1613 | C=C unsaturated compounds |
5 | 1409 | stretching -C=O inorganic carbonate |
6 | 1257 | C-N amide 111 band |
7 | 1023 | C-O-C group |
8 | 797 | C-H |
9 | 691 | C-S linkage |