Ionic liquids and solids with paramagnetic anions‡

Literature Information

Publication Date 2010-06-18
DOI 10.1039/B920652N
Impact Factor 3.676
Authors

James F. Wishart


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Abstract

Four paramagnetic ionic compounds have been prepared and their magnetic, structural and thermal properties have been investigated. The four compounds are methylbutylpyrrolidinium tetrachloroferrate(III) ([Pyrr14]+/[FeCl4]−), methyltributylammonium tetrachloroferrate(III) ([N1444]+/[FeCl4]−), butylmethylimidazolium tetrachloroferrate(III) ([bmim]+/[FeCl4]−) and tetrabutylammonium bromotrichloroferrate(III) ([N4444]+/[FeBrCl3]−). Temperature-dependent studies of their magnetic behaviors show that all four compounds are paramagnetic at ambient temperatures. Glass transitions are observed for only two of the four compounds, [Pyrr14]+/[FeCl4]− and [bmim]+/[FeCl4]−. Crystal structures for [Pyrr14]+/[FeCl4]− and [N1444]+/[FeCl4]− are compared with the previously reported [N4444]+/[FeBrCl3]−.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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