Wavenumber (cm−1) | Assignment | ||||
As grown | Annealed at 150˚C for 1 h | Annealed at 150˚C for 2 h | |||
457.05 | 456.62 | 454.16 | C-N-C (skeletal bending) | ||
458.02 | |||||
949.78 | 949.78 | 949.78 | Symmetric stretching of C-N | ||
1287.27 | 1287.31 | 1286.89 | CH3 Rocking | ||
1384.66 | 1384.59 | 1384.33 | O-H bending | ||
1415.52 | 1415.58 | 1415.63 | Symmetric bending of CH3 | ||
1483.98 | 1484.89 | 1484.25 | Asymmetric bending of CH3 | ||
2957.35 | 2958.49 | 2957.37 | Symmetric stretching of CH3 | ||
3023.88 | 3025.2 | 3024.71 | Asymmetric stretching of CH3 | ||
3476.12 | 3477.09 | 3443.77 | O-H Vibration of water molecule | ||