Add time:07/15/2019         Source:sciencedirect.com

The preparation, spectroscopic and magnetic properties of ML2Cl2 (M=Cu(II), Mn(II), Ni(II)) and [ML3]Cl3 (M=Fe(III), Cr(III)), L=N-4-methoxyphenyl-N-4-chlorobenzoyl hydrazide are reported. In all the studied complexes the N-4-methoxyphenyl-N-4-chlorobenzoyl hydrazide acts as a neutral bidentate chelating ligand with coordination involving the carbonyl oxygen and nitrogen atom of the secondary hydrazide group. The complexes appear to have an pseudo-octahedral stereochemistry. ESR parameters (g1=4.432, g2=1.991, D=0.096 cm−1) and μeff=3.55 μB obtained for [CrL3]Cl3 also suggest the possibilities of magnetic dipole–dipole coupling interactions between Cr(III) ions.

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