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1-Ethyl-3-methylimidazolium Based Ionic Liquids Containing Cyano Groups: Synthesis, Characterization, and Crystal Structure
Abstract
New 1-ethyl-3-methylimidazolium (EMI) salts [EMI][C(CN)3] and [EMI][Ag(CN)2] were prepared and characterized. The C(CN)3 salt has a melting point at -11 degrees C and shows a low viscosity (18 cP) and a high ionic conductivity (1.8 x 10(-2) S cm(-1)) at room temperature. This conductivity is less than that of [EMI][N(CN)2] salt (2.7 x 10(-2) S cm(-1)), possibly due to the larger molecular weight of the anion. The first EMI salt containing Ag(I) complexes [EMI][Ag(CN)2] has a higher melting point of 73 degrees C. In the crystal, the C-H...pi interionic interactions between cations construct zigzag chains in the cationic two-dimensional layer. Close Ag..Ag interionic contacts of 3.226(1) A were observed in the one-dimensional anionic chain, and the relatively high melting point among the EMI salts with a monoanion appears to be governed essentially by these direct Ag...Ag interactions.
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Citations
Cited by
Polarizable Force Field Development and Molecular Dynamics Simulations of Ionic Liquids
Borodin, O. (2009) · The Journal of Physical Chemistry B · doi:10.1021/jp905220k · Cited by 667
Ionic Liquids for Electrochemical Devices
HAGIWARA, R., & LEE, J. S. (2007) · Electrochemistry · doi:10.5796/electrochemistry.75.23 · Cited by 174
Metadata
- Authors
- Yoshida, Y., Muroi, K., Otsuka, A., Saito, G., Takahashi, M., & Yoko, T.
- Venue
- Inorganic Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2004-01-20
- Volume
- 43
- Issue
- 4
- Pages
- 1458-1462
- ISSN
- 0020-1669 (ISSN-L)
- 1520-510X
- OpenAlex
- W2009202108
- Cited by
- 256
- References
- 0
- FWCI
- 7.63
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: 1-Ethyl-3-methylimidazolium Based Ionic Liquids Containing Cyano Groups: Synthesis, Characterization, and Crystal Structure. https://app.cochat.ai/papers/10.1021/ic035045q
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- Yoshida, Y., Muroi, K., Otsuka, A., Saito, G., Takahashi, M., & Yoko, T. (2004). 1-Ethyl-3-methylimidazolium Based Ionic Liquids Containing Cyano Groups: Synthesis, Characterization, and Crystal Structure. Inorganic Chemistry. https://doi.org/10.1021/ic035045q
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