Binuclear Cu(II) and Co(II) Complexes of Tridentate Heterocyclic Shiff Base Derived from Salicylaldehyde with 4-Aminoantipyrine

Table 2

Characteristic IR and electronic spectral data of the metal complexes.

No.	Complexes	UV/ VIS; λ max (cm^−1)	μ eff. BM	IR spectra cm^−1
				υC=O	υC=N	υC–O	υM–N	υM–O
1	[Cu2(L1)2 H2O]	11085, 16595, 27990	0.9	1650 s	1600 m	1265 s	460 w	530 w
2	[Cu2(L2)2(H2O)4]	11080, 16590, 27995	1.69	1670 s	1610 m	1260 s	465 w	535 w
3	[Co2(L1)2H2O]	10370, 14380, 18720, 35690	5.04	1665 s	1610 m	1270 s	470 w	520 w
4	[Co2(L2)2(H2O)4]	10375, 14385, 18725, 35695	4.90	1660 s	1590 m	1270 s	460 w	515 w