Functional groups | Wavenumber (cm-1) | ||||||||
---|---|---|---|---|---|---|---|---|---|
II | III | IV | V | VI | VII | VIII | IX | X | |
-CN stretching | 2243 | - | - | - | - | - | - | - | - |
-C-H stretching | 2940 | 2940 | 2940 | 2935 | 2935 | 2932 | 2938 | 2938 | 2938 |
–NH2 stretching | - | 3415 | 3339 | - | - | - | - | - | - |
N–H stretching | - | 1545 | 1561 | 1552 | 1531 | 1546 | 1453 | 1453 | 1450 |
Aromatic C-H bending | Â | - | Â | 757 | 838 | 801 | 810 | 838 | 804 |
-OH stretching | - | - | Â | - | 3382 | 3239 | - | 3375 | 3414 |
=NH stretching | - | 3415 | 3339 | 3422 | 3382 | 3239 | 3350 | 3375 | 3414 |
-C = N- stretching | - | - | - | 1639 | 1638 | 1626 | 1606 | 1606 | 1621 |