Research Article

Evaluation of DNA Binding, Cleavage, and Cytotoxic Activity of Cu(II), Co(II), and Ni(II) Schiff Base Complexes of 1-Phenylindoline-2,3-dione with Isonicotinohydrazide

Table 2

Infrared spectral data for the free ligand and their complexes in KBr disc (cm−1).

CompoundsC=N
(imine)
C=O
(isatin)
C=O
(isoniazid)
NHM–OM–N

L1602169516853269
L–Cu1612169116733265601453
L–Co1612169316763263572447
L–Ni1610169316743268574449