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Syntheses and Crystal Structures of Vanadium and Iron Chloride Complexes With Diglyme

Syntheses and Crystal Structures of Vanadium and Iron Chloride Complexes With Diglyme

Saša Petriček, Alojz Demšar

Acta Chim Slov. 2015;62(2):354-61.

PMID: 26085417

Abstract:

A mononuclear molecular complex fac-[VCl3(diglyme)] (1) resulted from the reaction of VCl3 and diglyme (diglyme = di(2-methoxyethyl)ether) in dichloromethane. The violet complex 1 is a sensitive substance which slowly oxidized to a new, blue mononuclear molecular complex, fac-[VOCl2(diglyme)] (2) in the presence of air. The synthesis of iron(II), iron(III) complex [FeCl(diglyme)(THF)]2[FeCl4)]2 (3) was achieved by the reaction of yellow-green, partly oxidized FeCl2.4H2O, diglyme and chlorotrimethyl-silane in tetrahydofuran. The compound consists of the dinuclear cations with octahedral environment of iron(II) and the tetrahedral anions of iron(III). A pure iron(II) chloride-diglyme complex [FeCl2(diglyme)]2 (4) was gained by the reaction of freshly prepared iron(II) chloride hydrate, diglyme and chlorotrimethylsilane in dichloromethane. Diglyme is coordinated in the meridional mode to octahedral iron(II) in dinuclear cations of 3 and in dinuclear molecules 4.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP10580526	Vanadium(II) chloride		10580-52-6	Price

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