Systematic synthesis and characterization of the derivative complexes of the tetrafluoroaminechromate(III) Anions. - crystal structure of the (en-H<inf>2</inf>)[CrF<inf>4</inf>(en)]Cl

Carmen Díaz, Alexandre Seguí, Joan Ribas, Xavier Solans, Manuel Font-Altaba, Andren Solans, Jaume Casabó

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Abstract

The new complexes (aa-H2)[CrF4(aa)]Cl, where aa = ethylenediamine, 1,2-diaminopropane or 1,2-diaminocyclohexane, have been systematically synthesized and characterized. The crystal structure of (en-H2)[CrF4(en)]Cl (en = ethylenediamine) has been resolved indicating that the four fluorine atoms are ligands and the chloride is ionic. The cation is the diprotonated ethylenediamine ligand. Synthesis of the analogous complex with 1,3-diaminopropane (tn) failed. The hydrolysis of these complexes with concentrated HBr give compounds of formula [CrF2(H2O)2(aa)]Br, which upon solid phase heating yield the dehydrated [CrF2Br(H2O)(aa)]. © 1984 Verlag Chemie GmbH.
Original languageEnglish
Pages (from-to)469-473
JournalTransition Metal Chemistry
Volume9
Issue number12
DOIs
Publication statusPublished - 1 Dec 1984

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