Table 2:
Some of the significant IR bands exhibited by the complexes.
Complex
Band assignment
ν
OH
ν
C=O
ν
C=C
ν
N=N
ν
C−O
γ
OH
Co-L
3,600
1,770
1,592
1,380
1,199
850
Ni-L
3,600
1,600
1,590
1,380
1,199
800
Cu-L
3,598
1,770
1,590
1,400
1,199
850