Arene Complexes of p-Block Elements: [(η6-C6H6)2SnCl(AlCI4)]2. The First Bis(arene) Coordination Compound of a Group 14 Element

Hubert Schmidbaur, Thomas Probst, Brigitte Huber, Oliver Stelgelmann, Gerhard Müller

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31 Scopus citations

Abstract

From the reaction of the molten salt Sn(AlCl4)2 with benzene the dimeric species [(η-C6H6)2SnCl-(AlCl4)]2•C6H6(1) has been obtained. Compound 1, which was characterized by X-ray diffraction analysis, represents the first example for double arene complexation of a group 14 post-transition element. Each Sn center is η6-bonded to two molecules of benzene. The two benzene planes are inclined with respect to each other and form angles of 101.9° (Sn1) and 99.7° (Sn2), respectively. The two (η6-C6H6)2Sn units of the dimer are linked by two direct chlorine bridges and two 1, 3-bidentate AlCl4 groups. The crystal benzene molecule has no metal contacts. The coordination of the tin(II) centers is thus pseudooctahedral, and the entire dimer approaches non-crystallographic C2h symmetry.

Original languageEnglish
Pages (from-to)1567-1569
Number of pages3
JournalOrganometallics
Volume8
Issue number6
DOIs
StatePublished - Jun 1989
Externally publishedYes

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