PROTONATION SITE IN ORGANIC BASES FROM INFRARED X—H DEFORMATION MODES

Author:

Cook Denys

Abstract

The infrared absorption bands due to X—H stretching modes in protonated bases are diagnostically of little value in determining the protonation site. However, the deformation mode, δXH, shows promise of becoming a useful group frequency whose value is characteristic of the type of atom protonated. The following values, which have been confirmed by deuterium substitution of the sensitive hydrogen atom, are typical:[Formula: see text]Occasionally splittings occur so that two components of the bending mode are observed. These have been attributed in many cases to correlation field coupling in the solid state.

Publisher

Canadian Science Publishing

Subject

Organic Chemistry,General Chemistry,Catalysis

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