Physicochemical properties of nitrile-functionalized ionic liquids

Qinghua Zhang; Zuopeng Li; Juan Zhang; Shiguo Zhang; Laiying Zhu; Jing Yang; Xiaoping Zhang; Youquan Deng

doi:10.1021/jp067327s

Physicochemical properties of nitrile-functionalized ionic liquids

Qinghua Zhang, Zuopeng Li, Juan Zhang, Shiguo Zhang, Laiying Zhu, Jing Yang, Xiaoping Zhang, Youquan Deng

Research output: Contribution to journal › Article › peer-review

142 Scopus citations

Abstract

A series of ionic liquids (ILs) based on nitrile-functionalized imidazolium, pyridinium, and quaternary ammonium as cations and chlorides and tetrafluoroborate, hexafluorophosphate, dicyanamide, and bis(trifluoromethanesulfonyl)imide as anions have been prepared and characterized. The physicochemical properties such as spectroscopic, thermal, solubility, surface, electrochemical, tribological, and toxic properties were comparatively studied. The results showed that the incorporation of a CN group to cations could result in remarkable changes in these properties. The reason resulting in such remarkable differences in the properties may be attributed to the conformational changes in the imidazolium groups caused by the interaction between the CN group with other neighboring cations or anions and the enhancement in hydrogen-bonding interactions due to the incorporation of a CN group.

Original language	English
Pages (from-to)	2864-2872
Number of pages	9
Journal	Journal of Physical Chemistry B
Volume	111
Issue number	11
DOIs	https://doi.org/10.1021/jp067327s
State	Published - 22 Mar 2007
Externally published	Yes

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title = "Physicochemical properties of nitrile-functionalized ionic liquids",

abstract = "A series of ionic liquids (ILs) based on nitrile-functionalized imidazolium, pyridinium, and quaternary ammonium as cations and chlorides and tetrafluoroborate, hexafluorophosphate, dicyanamide, and bis(trifluoromethanesulfonyl)imide as anions have been prepared and characterized. The physicochemical properties such as spectroscopic, thermal, solubility, surface, electrochemical, tribological, and toxic properties were comparatively studied. The results showed that the incorporation of a CN group to cations could result in remarkable changes in these properties. The reason resulting in such remarkable differences in the properties may be attributed to the conformational changes in the imidazolium groups caused by the interaction between the CN group with other neighboring cations or anions and the enhancement in hydrogen-bonding interactions due to the incorporation of a CN group.",

author = "Qinghua Zhang and Zuopeng Li and Juan Zhang and Shiguo Zhang and Laiying Zhu and Jing Yang and Xiaoping Zhang and Youquan Deng",

year = "2007",

month = mar,

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doi = "10.1021/jp067327s",

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volume = "111",

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TY - JOUR

T1 - Physicochemical properties of nitrile-functionalized ionic liquids

AU - Zhang, Qinghua

AU - Li, Zuopeng

AU - Zhang, Juan

AU - Zhang, Shiguo

AU - Zhu, Laiying

AU - Yang, Jing

AU - Zhang, Xiaoping

AU - Deng, Youquan

PY - 2007/3/22

Y1 - 2007/3/22

N2 - A series of ionic liquids (ILs) based on nitrile-functionalized imidazolium, pyridinium, and quaternary ammonium as cations and chlorides and tetrafluoroborate, hexafluorophosphate, dicyanamide, and bis(trifluoromethanesulfonyl)imide as anions have been prepared and characterized. The physicochemical properties such as spectroscopic, thermal, solubility, surface, electrochemical, tribological, and toxic properties were comparatively studied. The results showed that the incorporation of a CN group to cations could result in remarkable changes in these properties. The reason resulting in such remarkable differences in the properties may be attributed to the conformational changes in the imidazolium groups caused by the interaction between the CN group with other neighboring cations or anions and the enhancement in hydrogen-bonding interactions due to the incorporation of a CN group.

AB - A series of ionic liquids (ILs) based on nitrile-functionalized imidazolium, pyridinium, and quaternary ammonium as cations and chlorides and tetrafluoroborate, hexafluorophosphate, dicyanamide, and bis(trifluoromethanesulfonyl)imide as anions have been prepared and characterized. The physicochemical properties such as spectroscopic, thermal, solubility, surface, electrochemical, tribological, and toxic properties were comparatively studied. The results showed that the incorporation of a CN group to cations could result in remarkable changes in these properties. The reason resulting in such remarkable differences in the properties may be attributed to the conformational changes in the imidazolium groups caused by the interaction between the CN group with other neighboring cations or anions and the enhancement in hydrogen-bonding interactions due to the incorporation of a CN group.

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DO - 10.1021/jp067327s

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JF - Journal of Physical Chemistry B

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Physicochemical properties of nitrile-functionalized ionic liquids

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