Metal Complexes of Macrocyclic Schiff-Base Ligand: Preparation, Characterisation, and Biological Activity

Table 2

FTIR frequencies in (cm⁻¹) of the compounds.

Compound	𝜈(C=N)iminic	ν(Phenoxide)	ν(M–N)	ν(M–O)
Na4L	1632, 1622	1350	—	—
[Mn^II4(L)]Cl4	1575, 1618	1528	619	516
[Co^II4(L)]Cl4	1579, 1620	1518	663	584
[Ni^II4(L)]Cl4	1581, 1620	1525	688	565
[Cu^II4(L)]Cl4	1577, 1617	1550	663	554
[Zn^II4(L)]Cl4	1583, 1622	1540	632	555