Abstract
Pyridine-2-carboxaldehyde-semicarbazone (PCS) complex [(H2PCS).Cl]+[Fe(II)(PCS)Cl3]–.[Fe(III)(PCS)Cl3] · (HPCS) · (Cl) (1) and 2,3-diacetylhydrazoneoxime (DAHO) complex [Cu2(μ-Cl)2(DAHO)2Cl2] (2) have been synthesized and characterized by different spectroscopic techniques. Structures were confirmed by single crystal X-ray crystallographic technique. Complex 1 crystallizes as Fe(II)/Fe(III) coordination complex in triclinic crystal system. EPR signals of 1 at g = 4.2 and g = 1.8 show transitions within mS = ±3/2 and mS = ±1/2 Kramers’ doublets of high spin (S = 5/2) distorted octahedral Fe(III) complex. Complex 2 crystallizes in triclinic system as square pyramidal chloro-bridged dinuclear copper(II) complex. The complexes were found to be groove binding to calf-thymus DNA.
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