| Assignment | CCplAMB | CCprAMB | CLrtAMB |
|---|---|---|---|
| N-H stretching in amino group | 3440.1 | 3419.2 | 3419.2 |
| CH3, C-H antisym. Stretching | 2932.6 | 2958.7 | 2922.1 |
| CH2, C-H symmetric stretching | 2864.5 | 2864.5 | 2848.8 |
| COO-, C-O antisym. Stretching | 1590.0 | 1560.0 | 1575.0 |
| C-H deformation vibration of –CH3 group | 1515.0 | 1520.0 | 1470.0 |
| C=N stretching | 1425.6 | 1420.3 | 1415.1 |
| C-N stretching (aryl tertiary) | 1341.9 | 1336.6 | 1350.0 |
| CH3 rocking | 1116.9 | 1111.6 | 1100.0 |
| C-H deformation (in plane) due to benzene ring | 829.1 | 815.0 | 805.0 |
| CH2 rocking | 705.0 | 740.0 | 724.4 |
| C-S stretching | 682.6 | 672.1 | 635.5 |