| Schiff bases |
v(C-O) |
v(C=C) |
v(C=N) |
v(C=O) |
C-H aliph |
C-H aromatic |
-CO-NH- |
| VI |
1227.2 |
1619.6 - 1599.2 |
1688.4 |
1727.5 |
2946.0 |
3051.39 |
3431.4 |
| VII |
1281.7-1249.7 |
1600.5 |
1637.9 |
1723.2 |
2942.7 - 2867.0 |
3027.1 |
3476.7 -3237.1 |
| VIII |
1242.16 |
1577.77 |
1600.92 |
1705.07 |
2993.5-2843.07 |
3055.24 |
3278.99-3140.1 |
|
