Alkylpyridinium Tetrahalidometallate Ionic Liquids and Ionic Liquid Crystals: Insights into the Origin of Their Phase Behavior

被引：8

作者：

Abouserie, Ahed ^{[1
]}

Zehbe, Kerstin ^{[1
]}

Metzner, Philipp ^{[1
]}

Kelling, Alexandra ^{[1
]}

Guenter, Christina ^{[2
]}

Schilde, Uwe ^{[1
]}

Strauch, Peter ^{[1
]}

Koerzdoerfer, Thomas ^{[1
]}

Taubert, Andreas ^{[1
]}

机构：

[1] Univ Potsdam, Inst Chem, D-14476 Potsdam, Germany

[2] Univ Potsdam, Inst Earth & Environm Sci, D-14476 Potsdam, Germany

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2017年 / 48期

关键词：

Ionic liquids; Alkylpyridinium salts; Structure elucidation; Phase transitions; ROOM-TEMPERATURE; INORGANIC MATERIALS; PHYSICAL-CHEMISTRY; COMPLEXES; COPPER(II); SOLVENTS; SALTS; NANOPARTICLES; PALLADIUM(II); CATALYSTS;

D O I：

10.1002/ejic.201700826

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Six N-alkylpyridinium salts [CnPy](2)[MCl4] (n = 4 or 12 and M = Co, Cu, Zn) were synthesized, and their structure and thermal properties were studied. The [C4Py](2)[MCl4] compounds are monoclinic and crystallize in the space group P2(1)/n. The crystals of the longer chain analogues [C12Py](2)[MCl4] are triclinic and crystallize in the space group P (1) over bar. Above the melting temperature, all compounds are ionic liquids (ILs). The derivatives with the longer C12 chain exhibit liquid crystallinity and the shorter chain compounds only show a melting transition. Consistent with single-crystal analysis, electron paramagnetic resonance spectroscopy suggests that the [CuCl4](2-) ions in the Cu-based ILs have a distorted tetrahedral geometry.

引用

页码：5640 / 5649

页数：10

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