Schiff bases
v(C-O)
v(C=C)
v(C=N)
v(C=S)
C-H aliph
C-H aromatic
-CS-NH-
VIII
3201.83-3167.12
1593
1635.64
1674.21
2854.65
3043.67-3008.95
3201.83-3167.12
IX
1245.2
1599.3
1616.8
1637.2
2939.3-2868.0
3072.2
3414.3-3236.8
X
1267
1599.0-1578.5
1651
1726.6
2939.3-2866.0
3066.2
3415.9-3224.3
XI
1244.3
1617.5-1594.9
1637.6
1663.6
2950.4-2871.4
3072.7
3477.0-3414.7
Table 3:
IR spectral data (cm
-1
) of macrocyclic hydrazone (VIII, IX, X, XI).
