Microheterogeneity in imidazolium and piperidinium cation-based ionic liquids: 1D and 2D NMR studies

Magnetic Resonance in Chemistry : MRC
Sumit Kumar Panja, Satyen Saha

Abstract

Existence of microheterogeneity of imidazolium and piperidinium cation-based ionic liquids (ILs) containing PF6 and NTf2 anions has been investigated by 1D and 2D NMR spectroscopy. 2D NMR (especially NOESY and HOESY) has been employed for studying the interactions present between cation and anion as well as the intermolecular interaction among cations. HOESY spectrum shows that fluorine of anion ( PF6- and NTf2-) significantly interacts with proton of the cations. Combined results of HOESY and NOESY for imidazolium IL indicate that the PF6- and imidazolium cation are distributed in organized manner, resulting a heterogeneous environment in liquid state. We have also observed existence of heterogeneous environment for piperidinium cation-based ILs which is different from imidazolium ILs. It appears that existence of microheterogeneity in IL is ubiquitous and therefore open up the ILs field to revisit. Copyright © 2017 John Wiley & Sons, Ltd.

References

May 31, 2002·Acta Crystallographica. Section B, Structural Science·Ian J BrunoRobin Taylor
Nov 21, 2002·Journal of the American Chemical Society·Jared L AndersonDaniel W Armstrong
Dec 1, 2005·Journal of the American Chemical Society·Angshuman R ChoudhuryKathleen A Johnson
Feb 24, 2006·The Journal of Physical Chemistry. B·José N A Canongia Lopes, Agílio A H Pádua
May 25, 2006·Physical Chemistry Chemical Physics : PCCP·Jairton Dupont, Paulo A Z Suarez
Mar 29, 2007·The Journal of Physical Chemistry. B·Alessandro TrioloEmanuela Di Cola
Dec 25, 2007·Acta Crystallographica. Section A, Foundations of Crystallography·George M Sheldrick
Dec 20, 2008·The Journal of Physical Chemistry. B·Aniruddha Paul, Anunay Samanta
Oct 18, 2011·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Yves LingscheidRalf Giernoth
Jun 19, 2013·Angewandte Chemie·Sonja GablHermann Weingärtner
Nov 5, 2013·Physical Chemistry Chemical Physics : PCCP·Takuya ShimomuraToshiyuki Takamuku
Jan 15, 2014·The Journal of Chemical Physics·Snehasis Daschakraborty, Ranjit Biswas
Jan 1, 2013·Faraday Discussions·Olga RussinaAlessandro Triolo
Aug 15, 2014·Physical Chemistry Chemical Physics : PCCP·Daekeon KimYounJoon Jung
Oct 10, 2015·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Hong-Kai ChenShinsuke Shigeto
Jan 12, 2017·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Satyen SahaHiro-O Hamaguchi
Jan 21, 2017·The Journal of Physical Chemistry. B·Anu Kadyan, Siddharth Pandey

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