Issue 81, 2016

Br2F7 and Br3F10: peculiar anions showing μ2- and μ3-bridging F-atoms

Abstract

RbCl and CsCl react with BrF3 yielding the corresponding decafluoridotribromates(III), MBr3F10 (M = Rb, Cs), which were structurally characterized for the first time. The Br3F10 anion is surprisingly not linear but contains a μ3-bridging fluorine atom and seems to be the first example of μ3-F bridging of Br atoms. The compounds are highly reactive and cannot be handled in glassware. As for the tetrafluoridobromates themselves, they are powerful oxidizers and thus suitable for the dry-chemical recycling of precious metals and additionally feature a significantly higher BrF3 content.

Graphical abstract: Br2F7− and Br3F10−: peculiar anions showing μ2- and μ3-bridging F-atoms

Supplementary files

Article information

Article type
Communication
Submitted
17 Aug 2016
Accepted
12 Sep 2016
First published
19 Sep 2016
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2016,52, 12040-12043

Br2F7 and Br3F10: peculiar anions showing μ2- and μ3-bridging F-atoms

S. I. Ivlev, A. J. Karttunen, R. V. Ostvald and F. Kraus, Chem. Commun., 2016, 52, 12040 DOI: 10.1039/C6CC06761A

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