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Far-infrared features of quinoline-N-oxides: Intramolecular vibrations and hydrogen bonding

The far i.r. spectra of 14 quinoline-N-oxides have been measured between 400 and 40 cm −1. An assignment of most of the observed bands is proposed: attention is drawn to ring-skeletal vibrations and X-sensitive vibrations. The hydrogen bonding stretching vibration of their complexes with phenol abso...

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Bibliographic Details
Published in:Spectrochimica acta. Part A: Molecular spectroscopy 1975-01, Vol.31 (4), p.445-449
Main Authors: Ghersetti, S., Giorgianni, S., Minari, M., Spunta, G.
Format: Article
Language:English
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Summary:The far i.r. spectra of 14 quinoline-N-oxides have been measured between 400 and 40 cm −1. An assignment of most of the observed bands is proposed: attention is drawn to ring-skeletal vibrations and X-sensitive vibrations. The hydrogen bonding stretching vibration of their complexes with phenol absorbs in the range 230-130 cm −1: in 3- and 4-substituted derivatives a linear relationship with the corresponding pyridine-N-oxides is observed.
ISSN:0584-8539
DOI:10.1016/0584-8539(75)80036-5