Table 3. IR absorption bands and corresponding possible groups. |
Frequency (cm-1) |
Functional group |
3437.38 |
-OH, -NH |
2918.89 |
-CH |
2844.78 |
-CH |
1634.34 |
-COO-, -C=O |
1115.57 |
-C-O, C-N |
893.25 |
-CH |
|