Investigation of Antimicrobial, Antioxidant, and DNA Binding Studies of Bioactive Cu(II), Zn(II), Co(II), and Ni(II) Complexes of Pyrimidine Derivative Schiff Base Ligand

Table 3

Infrared spectral data of the ligand HL and complexes 1–4 (cm⁻¹).

Compounds	CH=N	Pyrimidine C=N	-OAc	-OH	M-N	M-O
HL	1564	1465	—	3368	—	—
1	1540	1442	1668	3364	434	497
2	1542	1445	1648	3360	447	498
3	1544	1448	1652	3363	460	504
4	1548	1446	1665	3371	450	502