Synthesis and physico-chemical characterization of coordination compounds of 3d metals with bis(hydroxylammonium)bicyclo[2.2.1]-hept-5-en-endo-2,3-cis-dicarboxylate期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Synthesis and physico-chemical characterization of coordination compounds of 3d metals with bis(hydroxylammonium)bicyclo[2.2.1]-hept-5-en-endo-2,3-cis-dicarboxylate

Authors:	Oksana V Midyanko Vasilii Yu Galla Vladimir M Buzash Vukadin M Leovac

Institution:	(1) Faculty of Chemistry, State University, Uzhorod, USSR;(2) Faculty of Sciences, Institute of Chemistry, I. Djuriia 4, 21000 Novi Sad, Yugoslavia

Abstract:	Summary The reaction of aqueous solutions of 3d metal salts with bis(hydroxylammonium) bicyclo2.2.1]-hept-5-en-endo-2,3-cis-dicarboxylate in a 12 mole ratio yielded complexes of the general formula MⁿL₂(NH₃OH)₂]·nH₂O and Fe^IIIL₂(NH₃OH)H₂O]·H₂O, where M^II=Mn, Fe, Co, Ni, Cu and Zn, and L=bicyclo2.2.1]-hept-5-en-endo-2,3-cis-dicarboxylate dianion.The compounds were characterized by i.r. spectra and thermal analysis. For all complexes, an octahedral structure is proposed which is formed bytrans coordination of two bidentate (OO) ligands (L) and two NH₃OH⁺ cations attrans positions, coordinated also through oxygen atoms; and similarlytrans positions for NH₃OH⁺ and H₂O in the case of the Fe^III complex.

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