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Structural characterization of novel ionic materials incorporating the bis(trifluoromethanesulfonyl)amide anion
journal contribution
posted on 2002-05-01, 00:00 authored by C Forsyth, D MacFarlane, J Golding, J Huang, J Sun, Maria ForsythMaria ForsythA range of low melting salts of the bis(trifluoromethanesulfonyl)amide (TFSA) anion with hindered organic cations (N-methyl-1-methylpyrrolinium, N,N-dimethylpyrrolidinium, N,N,N,-trimethylammonium, and N,N,N,N-tetrakis(n-propyl)ammonium) have been crystallized. Single-crystal X-ray diffraction data show these materials to consist of discrete ions with only weak C−H···O (or for Me3NH N−H···O) contacts between the constituent atoms of the cations and anions close to the limits of van der Waals separations. Consequently, the observed physical properties of these materials presumably result from the diffuse negative charge on the TFSA anion and inefficient packing of these large and irregularly shaped ions.
History
Journal
Chemistry of materialsVolume
14Issue
5Pagination
2103 - 2108Publisher
American Chemical SocietyLocation
Washington, D.C.Publisher DOI
ISSN
0897-4756eISSN
1520-5002Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2002, American Chemical SocietyUsage metrics
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