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1 High Conductivity, and "Dry" Proton Motion, in Guanidinium Salt 2 Melts and Binary Solutions
 

Summary: 1 High Conductivity, and "Dry" Proton Motion, in Guanidinium Salt
2 Melts and Binary Solutions
3 Zuofeng Zhao, Kazuhide Ueno, and C. Austen Angell*
4 Department of Chemistry and Biochemistry, Arizona State University, Tempe, Arizona 85287-1604, United States
5 bS Supporting Information
15 ' INTRODUCTION
16 The guanidinium cation, C(NH2)3
+
, is an elegant symmetrical
17 ion formed by protonation of the imine group on the basic
18 guanidine molecule (pKa = 13), with subsequent redistribution
19 of the electron density of the double bond to yield three
20 equivalent CN bonds and a resonance stabilization of the
21 whole entity. Whereas guanidine is readily decomposed to
22 gaseous products, the guanidinium cation is rather stable, and
23 the liquid states of guanidinium cations with stable anions (e.g.,
24 chloride, triflate (Tf, CF3SO3

) mesylate (MS, CH3SO3

  

Source: Angell, C. Austen - Department of Chemistry and Biochemistry, Arizona State University

 

Collections: Materials Science; Chemistry