Abstract
In this paper we present results of laser-induced fluorescence excitation, fluorescence detected infrared and IR−UV hole-burning spectroscopic studies on the 2-pyridone and borane-trimethylamine complex. A relatively small blue shift in the electronic transition accompanied by a large shift in the N−H stretching vibration to a lower frequency suggests the formation of a dihydrogen bonded complex. The structure of the complex is elucidated with the aid of ab initio DFT calculations, which fits the observed spectral shifts.
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