Nuclear magnetic resonance studies of solid methylammonium halides

1970 ◽  
Vol 48 (5) ◽  
pp. 717-722 ◽  
Author(s):  
J. Tsau ◽  
D. F. R. Gilson

Wide-line nuclear magnetic resonance studies of methylammonium chloride, bromide, and iodide and their partially deuterated analogues show that second-moment and line-width transitions occur which can be interpreted as due to molecular reorientation about the C—N axes. In the bromide and iodide salts this motion persists below 77 °K.

1970 ◽  
Vol 48 (16) ◽  
pp. 2625-2627 ◽  
Author(s):  
C. H. Matthews ◽  
D. F. R. Gilson

Wide line nuclear magnetic resonance studies of pyridinium hexafluorophosphate, chloride, and nitrate show line width and second moment transitions which are attributed to reorientational motions of the pyridinium ring. The differences in transition temperatures are due to the different hydrogen bonded structures in the three salts.


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