Cobalt(II) Complexes With 8-Aminoquinoline Derivatives

M. Izquierdo, J. Casabó

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Abstract

This article describes some complexes of Co(ll) with 5,7-dichloro-8-aminoquinoline (dcaq), 557-dibromo-8-aminoquinoline (dbaq) and 5>7-diiodo-8-aminoquinoline (diaq). The compounds are of the stoichiometry CoCI2L, CoBr2L2 CoI2L2 Co(NO3)2L2 (were L = dcaq or dbaq). Only one complexe has been prepared with diaq, namely Col2diaq)2. The elemental analysis are in agree with the formulae, proposed. The i.r. spectra of compounds containing NO3 show the presence of ionic and bridging nitrato groups. The electronic spectra and magnetic moments at room temperature are consistent with distorted octahedral geometry around the Co(ll) for some of the complexes. We propose polymeric structures with bridging NO and Cl for the compounds Co(NO) (ligand) where (ligand = dcaq, dbaq) and CoCl2(ligand) where (ligand = dcaq, dbaq). Monomeric octahedral structures are proposed for the other compounds. © 1983, Taylor & Francis Group, LLC. All rights reserved.
Original languageEnglish
Pages (from-to)843-854
JournalSynthesis and Reactivity in Inorganic and Metal-Organic Chemistry
Volume13
Issue number7
DOIs
Publication statusPublished - 1 Jan 1983

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