Determination of the Lewis acidity of ionic liquids by means of an IR spectroscopic probe

Ya-Li Yang; Yuan Kou

doi:10.1039/b311615h

Determination of the Lewis acidity of ionic liquids by means of an IR spectroscopic probe

Chem Commun (Camb). 2004 Jan 21:(2):226-7. doi: 10.1039/b311615h. Epub 2003 Dec 10.

Authors

Ya-Li Yang¹, Yuan Kou

Affiliation

¹ College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China.

PMID: 14737561
DOI: 10.1039/b311615h

Abstract

Pyridine and ethanenitrile can be used as molecular probes to measure the Lewis acidities of ionic liquids by monitoring the shift of IR absorption bands near 1450 cm(-1) for pyridine and in the range 2250-2340 cm(-1) for ethanenitrile.