Dynamic nuclear magnetic resonance study of diisopropylaminotetrafluorophosphorane. Ground state geometry and barriers to fluxional processes

1975 ◽  
Vol 97 (2) ◽  
pp. 434-436 ◽  
Author(s):  
Alan H. Cowley ◽  
Ron W. Braun ◽  
John W. Gilje
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Ground State ◽  
Nuclear Magnetic Resonance Study ◽  
Magnetic Resonance Study ◽  
Dynamic Nuclear Magnetic Resonance ◽  
Ground State Geometry ◽  
Nuclear Magnetic

Nuclear magnetic resonance study of catalyzed intermolecular fluorine exchange in the methyltetrafluorosilicate anion

1977 ◽  
Vol 55 (7) ◽  
pp. 1167-1174 ◽  
Author(s):  
Ronald Kirk Marat ◽  
Alexander F. Janzen
Keyword(s):  
Nuclear Magnetic Resonance ◽  
Magnetic Resonance ◽  
Reaction Mechanisms ◽  
Nuclear Magnetic Resonance Study ◽  
Magnetic Resonance Study ◽  
Resonance Technique ◽  
Coordination Model ◽  
Magnetic Resonance Technique ◽  
Dynamic Nuclear Magnetic Resonance ◽  
Nuclear Magnetic

The effect of HF, MeOH, H2O, F−, pyridine, Pr4N+MeSiF4−, and temperature on the rate of intermolecular fluorine exchange in the methyltetrafluorosilicate anion has been studied by the dynamic nuclear magnetic resonance technique. The exchange was found to be catalyzed by HF and, to a lesser extent, MeOH and H2O, but inhibited by F−, pyridine, and Pr4N+ MeSiF4−. The results are analyzed in terms of the coordination model of reaction mechanisms

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