New Nanosized V(III), Fe(III), and Ni(II) Complexes Comprising Schiff Base and 2-Amino-4-Methyl Pyrimidine: Synthesis, Properties, and Biological Activity

Table 2

FT-IR spectral data (cm⁻¹) of free ligands and their metal complexes.

Comp.	υ (OH) coordinated water	υ (NH2)	δ (NH2)	δ (OH) in-plane	υ (C=N)	υ (C=C)	υ (C-O)	υ (M-O)	υ (M-N)	υ (M-cl)
L1 (HL)	—	—	—	850	1618-1604	1540	1310	—	—	—
L2 (AMPY)	—	3430-3305	1648	—	—	—	—	—	—	—
V(III) complex	3330	Disappear	1665	832	1613-1545	1514	1303	623	532	430
Fe(III) complex	3330	Disappear	1656	826	1614-1594	1513	1305	640	544	442
Ni(II) complex	3423	3415-3286	1661	823	1600-1560	1546	1304	627	566	429