Author:
Isaac Raymond,Bentley Freeman F.,Sternglanz Helene,Coburn W. C.,Stephenson C. V.,Wilcox W. S.
Abstract
Infrared spectra in the cesium bromide region are presented for 43 monosubstituted pyridines. Two- and 3-substituted pyridines are characterized in this region by two relatively intense bands near 600 and 400 cm−1. No strong characteristic bands are found for 4-substituted pyridines. The vapor-phase contours of the far infrared bands of 2-fluoro- and 2-chloropyridine indicate that the 600 and 400 cm−1 bands arise, respectively, from an in-plane and an out-of-plane vibration. The pyridine spectra are compared with the spectra of some substituted benzenes
Subject
Spectroscopy,Instrumentation
Cited by
15 articles.
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