N-methyl-N-alkylpyrrolidinium bis(perfluoroethylsulfonyl)amide ([NPf2]–) and tris(trifluoromethanesulfonyl)methide ([CTf3]–) salts : synthesis and characterization

Johansson, Katarina M., Adebahr, Josefina, Howlett, Patrick C., Forsyth, Maria and MacFarlane, Douglas R. 2007, N-methyl-N-alkylpyrrolidinium bis(perfluoroethylsulfonyl)amide ([NPf2]–) and tris(trifluoromethanesulfonyl)methide ([CTf3]–) salts : synthesis and characterization, Australian journal of chemistry, vol. 60, no. 1, pp. 57-63.

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Title N-methyl-N-alkylpyrrolidinium bis(perfluoroethylsulfonyl)amide ([NPf2]–) and tris(trifluoromethanesulfonyl)methide ([CTf3]–) salts : synthesis and characterization
Formatted title N-Mmethyl-N-Alkylpyrrolidinium Bis(perfluoroethylsulfonyl)amide ([NPf2]) and Tris(trifluoromethanesulfonyl)methide ([CTf3]) salts : synthesis and characterization
Author(s) Johansson, Katarina M.
Adebahr, Josefina
Howlett, Patrick C.
Forsyth, Maria
MacFarlane, Douglas R.
Journal name Australian journal of chemistry
Volume number 60
Issue number 1
Start page 57
End page 63
Publisher CSIRO
Place of publication Melbourne, Vic.
Publication date 2007
ISSN 0004-9425
1445-0038
Summary Novel salts based the pyrrolidinium cation [Cnmpyr]+ (where n denote the number of carbons in the straight alkyl chain) and either the [NPf2] or [CTf3] anions have been synthesized and characterized to determine their thermal behaviour, stability, and conductivity. [C1mpyr][NPf2], [C2mpyr][NPf2], and [C1mpyr][CTf3] exhibit behaviour indicative of a plastic crystal phase. Both [C3mpyr][NPf2] and [C4mpyr][NPf2] are RTILs, while all of the [CTf3]salts, have melting points above 60°C. [C3mpyr][NPf2] exhibited the widest electrochemical window of 5.5 V. The [NPf2]– salt exhibited similar reductive limits to the [NTf2] anion, –3.2 V versus Fc+|Fc, while [CTf3] had lower reductive stability. The [CTf3] salts were more stable towards oxidation, +2.5 V versus Fc+|Fc, compared to the [NPf2] and [NTf2] salts.
Language eng
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2007, CSIRO
Persistent URL http://hdl.handle.net/10536/DRO/DU:30030175

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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