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Published September 1, 1965 | public
Journal Article

Nuclear Magnetic Resonance Spectroscopy. Magnetic Nonequivalence Due to Slow Inversion in Amines

Abstract

Investigation of the low-temperature n.m.r. spectrum of N-benzyl-O,N-dimethylhydroxylamine has permitted a determination of the rate and activation energy for nitrogen inversion. The energy barrier to inversion has been found to be inversely proportional to the solvent dielectric constant in four rather nonpolar solvents. In n-hexane, E_ɑ was found to be 12.9 ± 0.3 kcal. while in methylene chloride a value of 9.4 ± 0.4 kcal. was obtained.

Additional Information

© 1965 American Chemical Society. Received May 20, 1965. Supported in part by the National Science Foundation. National Science Foundation Postdoctoral Fellow, 1964-1965.

Additional details

Created:
August 19, 2023
Modified:
October 24, 2023