Issue 90, 2015

Access to pure and highly volatile hydrochalcogenide ionic liquids

Abstract

The reaction of methylcarbonate ionic liquids with H2S or H2Se offers a highly selective synthesis of analytically pure, well-defined and soluble hydrosulphide and hydroselenide organic salts of general interest. Among them, imidazolium hydrochalcogenides show an astonishingly high volatility for cation-aprotic ILs, which allows their quantitative sublimation below 100 °C/10−2 mbar and actually results in ionic single crystal growth from the gas phase. Vaporisation and decomposition characteristics were investigated by isothermal TGA measurements and DFT calculations.

Graphical abstract: Access to pure and highly volatile hydrochalcogenide ionic liquids

Supplementary files

Article information

Article type
Communication
Submitted
24 Jul 2015
Accepted
03 Sep 2015
First published
03 Sep 2015
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2015,51, 16169-16172

Author version available

Access to pure and highly volatile hydrochalcogenide ionic liquids

L. H. Finger, F. Wohde, E. I. Grigoryev, A.-K. Hansmann, R. Berger, B. Roling and J. Sundermeyer, Chem. Commun., 2015, 51, 16169 DOI: 10.1039/C5CC06224A

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