Tetrahalidometallate(II) Ionic Liquids with More than One Metal: The Effect of Bromide versus Chloride

被引：4

作者：

Balischewski, Christian ^{[1
]}

Bhattacharyya, Biswajit ^{[1
]}

Sperlich, Eric ^{[1
]}

Guenter, Christina ^{[2
]}

Beqiraj, Alkit ^{[1
]}

Klamroth, Tillmann ^{[1
]}

Behrens, Karsten ^{[1
]}

Mies, Stefan ^{[1
]}

Kelling, Alexandra ^{[1
]}

Lubahn, Susanne ^{[1
]}

Holtzheimer, Lea ^{[1
]}

Nitschke, Anne ^{[1
]}

Taubert, Andreas ^{[1
]}

机构：

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

[2] Univ Potsdam, Inst Geosci, D-14476 Potsdam, Germany

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2022年 / 28卷 / 64期

关键词：

electrochemistry; ionic liquids; metal-containing ionic liquids; N-butylpyridinium bromide; tetrahalidometallates; TOTAL-ENERGY CALCULATIONS; SOLID 2-PHASE SYSTEMS; SPACE-CHARGE REGIONS; ELECTRICAL-CONDUCTIVITY; IMPEDANCE SPECTROSCOPY; PHYSICAL-PROPERTIES; ELECTROLYTES; COMPLEXES; CRYSTALS; POLYMER;

D O I：

10.1002/chem.202201068

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Fifteen N-butylpyridinium salts - five monometallic [C4Py](2)[MBr4] and ten bimetallic [C4Py](2)[(M0.5M0.5Br4)-M-a-Br-b] (M=Co, Cu, Mn, Ni, Zn) - were synthesized, and their structures and thermal and electrochemical properties were studied. All the compounds are ionic liquids (ILs) with melting points between 64 and 101 degrees C. Powder and single-crystal X-ray diffraction show that all ILs are isostructural. The electrochemical stability windows of the ILs are between 2 and 3 V. The conductivities at room temperature are between 10(-5) and 10(-6) S cm(-1). At elevated temperatures, the conductivities reach up to 10(-4) S cm(-1) at 70 degrees C. The structures and properties of the current bromide-based ILs were also compared with those of previous examples using chloride ligands, which illustrated differences and similarities between the two groups of ILs.

引用

页数：13

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