Abstract
The method of calculating the high resolution NMR lineshape of multispin systems involving intramolecular exchange containing a group of strongly coupled spin- 1 2 nuclei scalar coupled to a group of nuclei having spin I> 1 2 which are relaxing via the quadrupolar mechanism is described. On the basis of the programs realizing this method the kinetics of the Z,E-isomerization of phenylhydrazine acyl derivatives and 14N relaxation times in the series of anilines, amides, and phenylhydrazine acyl derivatives have been studied using the NMR 1H and 19F complete lineshape analysis. The effects of structure and hydrogen bonding with a solvent on molecular reorientation times of the compounds have been discussed.
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