Abstract

Metal hydrazine dicarboxylates of cobalt, nickel, zinc and cadmium with pimelic, suberic, azelaic and sebacic acids have been prepared and characterised by analytical, spectral, thermal and X-ray powder diffraction studies. IR data augment the bridging behaviour of both the hydrazine and the long chain dicarboxylate dianion except in the case of the cadmium pimelate compound. The most probable stereochemistry of the polymeric compounds has been ascribed on the basis of the available spectral and thermal data. Almost all of the complexes decompose to give its metal oxide through their metal dicarboxylate intermediates. The dihydrazine complexes of the metals with their respective anions are isomorphous among themselves.

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