1-Methyl-3-ethylimidazolium hydrogen dichloride: Synthesis and application to the study of protons in ambient-temperature chloroaluminate ionic liquids

Journal Article · Wed Nov 30 00:00:00 EST 1988 · Inorg. Chem.; (United States)

DOI:https://doi.org/10.1021/ic00297a011· OSTI ID:5974646

Zawodzinski, Jr, T A; Osteryoung, R A

The syntheses of 1-methyl-3-ethylimidazolium hydrogen dichloride (ImHCl/sub 2/) and its deuterium analogue (Im/sup 2/HCl/sub 2/) and their use as proton/deuterium donors in ambient-temperature chloroaluminate melts are described. The material exists as a liquid at room temperature and has been characterized by /sup 1/H NMR spectroscopy. ImHCl/sub 2/ is itself an ambient-temperature molten salt composed of the Im/sup +/ cation and HCl/sub 2//sup /minus// anion. The /sup 2/H NMR chemical shifts of species derived from Im/sup 2/HCl/sub 2/ in 1-methyl-3-ethylimidazolium chloride/aluminum chloride melts lead the authors to suggest the HCl interacts with a second chloride in basic melt solutions, whereas it is more weakly complexes in acidic melt solutions. The quantitative addition of a proton by ImHCl/sub 2/ is demonstrated by use of pulse voltammetry. 16 refs., 3 figs.

• Research Organization: State Univ. of New York, Buffalo (USA)
• OSTI ID: 5974646
• Journal Information: Inorg. Chem.; (United States), Vol. 27:24
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
DEUTERIUM
LABELLED COMPOUNDS
HYDROCHLORIC ACID
CHEMICAL PREPARATION
IMIDAZOLES
ALUMINATES
EXPERIMENTAL DATA
TRACER TECHNIQUES
ALUMINIUM COMPOUNDS
AZOLES
DATA
HETEROCYCLIC COMPOUNDS
HYDROGEN COMPOUNDS
HYDROGEN ISOTOPES
INFORMATION
INORGANIC ACIDS
ISOTOPE APPLICATIONS
ISOTOPES
LIGHT NUCLEI
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXYGEN COMPOUNDS
STABLE ISOTOPES
SYNTHESIS
400201* - Chemical & Physicochemical Properties
400202 - Isotope Effects
Isotope Exchange
& Isotope Separation