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Tetrahalidometallate(II) ionic liquids with more than one metal

  • 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.

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Author details:Christian Balischewski, Biswajit BhattacharyyaORCiD, Eric SperlichORCiDGND, Christina GünterGND, Alkit BeqirajORCiD, Tillmann KlamrothORCiDGND, Karsten BehrensGND, Stefan Mies, Alexandra Kelling, Susanne Lubahn, Lea Holtzheimer, Anne Nitschke, Andreas TaubertORCiDGND
DOI:https://doi.org/10.1002/chem.202201068
ISSN:1521-3765
Pubmed ID:https://pubmed.ncbi.nlm.nih.gov/35789121
Title of parent work (English):Chemistry - a European journal
Subtitle (English):the effect of bromide versus chloride
Publisher:Wiley-VCH
Place of publishing:Weinheim
Publication type:Article
Language:English
Date of first publication:2022/07/05
Publication year:2022
Release date:2023/12/14
Tag:N-butylpyridinium bromide; electrochemistry; ionic liquids; metal-containing ionic liquids;; tetrahalidometallates
Volume:28
Issue:64
Article number:e202201068
Number of pages:13
Funding institution:University of Potsdam [53170000]; Deutsche Forschungsgemeinschaft [DFG; SPP 1708, KO4876/1-1, KO4876/1-2, TA571/13-1, TA571/13-2]; Projekt DEAL
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie
Mathematisch-Naturwissenschaftliche Fakultät / Institut für Geowissenschaften
DDC classification:5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Peer review:Referiert
Publishing method:Open Access / Hybrid Open-Access
License (German):License LogoCC-BY - Namensnennung 4.0 International
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