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Matrix-Isolation and Comparative Far-IR Investigation of Free Linear [Cl3]− and the Series of the Alkaline Metal Trichlorides

Abstract

Here we discuss the reaction products of laser ablated alkali chlorides with elemental chlorine. Salt ablation by this technique combined with matrix-isolation spectroscopy allow for the formation and characterization of novel anionic species. Laser ablation of solid MCl with M = Cs, Rb, and K in the presence of Cl2 produced free [Cl3]− ions which were isolated in solid noble-gas matrices. For M = Cs, Rb, K, and Na the ion pairs M+[Cl3]− are the main reaction products. Trends in the formation and bonding of these trichloride anions will be discussed. In contrast to the trifluoride analogues the isolated ion pairs M+[Cl3]− feature a systematic distortion due to metal coordination which is here qunatum-chemically discribed for the first time.

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Publication details

The article was accepted on 10 Nov 2017 and first published on 13 Nov 2017


Article type: Communication
DOI: 10.1039/C7CC08290H
Citation: Chem. Commun., 2017, Accepted Manuscript
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    Matrix-Isolation and Comparative Far-IR Investigation of Free Linear [Cl3]− and the Series of the Alkaline Metal Trichlorides

    S. Riedel, H. Beckers and F. A. Redeker, Chem. Commun., 2017, Accepted Manuscript , DOI: 10.1039/C7CC08290H

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