Table 2 Assignments of the different stretching C-H band modes.
Wave number (Cm− 1) | Transmittance | Assignments | ||
|---|---|---|---|---|
ME | n-BF | QF | ||
3080b | 0.149 | 0.191 | 0.422 | Symmetric stretching vibration for CH present in vinyl (-CH = CH-) group |
2964b | 0.330 | 0.375 | 0.626 | The symmetric stretching vibrations of C-H present in CH3 group |
2920b | 0.396 | 0.441 | 0.683 | The symmetric stretching vibrations of C-H present in CH2 group |
2851b | 0.435 | 0.480 | 0.716 | Asymmetric stretching vibrations of CH2 group |
2839sh | 0.480 | 0.525 | 0.749 | The asymmetric stretching vibrations of C-H present in CH3 group |
