Lewis Acidity/Basicity Changes in Imidazolium Based Ionic Liquids Brought About by Impurities

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dc.contributor.authorGazitúa, Marcela
dc.contributor.authorFuentealba, Patricio
dc.contributor.authorContreras, Renato
dc.contributor.authorOrmazábal-Toledo, Rodrigo
dc.date.accessioned2016-05-19T17:25:58Z
dc.date.available2016-05-19T17:25:58Z
dc.date.issued2015
dc.description.abstractWe herein report on the effect that water molecules, present as impurities, in the vicinity of an ionic liquid model structure, may induce on the Lewis acidity/basicity patterns normally observed in these materials. Depending on the position and orientation of water, the Lewis acidity/basicity pattern changes from “normal distribution” (i.e., the basicity located at the anion moiety and the acidity located at the cation fragment) to “bifunctional distribution” (i.e., the acidity and basicity located at the cation moiety). In some specific cases, there appears a third Lewis acidity/basicity distribution, where water may bind both the cation and the anion of the ion pair; a response we tentatively call “amphoteric”. These effects are clearly traced to the hydrogen bond formation ability of water to coordinate different regions of pure ionic liquids taken as references.
dc.identifier.citationGazitúa M, Fuentealba P, Contreras R, Ormazábal-Toledo R. Lewis Acidity/Basicity Changes in Imidazolium Based Ionic Liquids Brought About by Impurities. J Phys Chem B. 2015 Oct 15;119(41):13160-6
dc.identifier.urihttp://hdl.handle.net/11447/287
dc.identifier.urihttp://dx.doi.org/10.1021/acs.jpcb.5b05305
dc.language.isoen_US
dc.publisherAmerican Chemical Society
dc.subjectIonic liquid model
dc.subjectLewis acidity/basicity patterns
dc.titleLewis Acidity/Basicity Changes in Imidazolium Based Ionic Liquids Brought About by Impurities
dc.typeArtículo

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