ORGANIC CHEMISTRY-OWL V2 ACCESS
ORGANIC CHEMISTRY-OWL V2 ACCESS
8th Edition
ISBN: 9781305582422
Author: Brown
Publisher: CENGAGE L
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Chapter 12, Problem 12.9P
Interpretation Introduction

Interpretation:

The fact that the C-O stretch in ethers and esters occurs at 1000-1100cm-1, when the C is sp3 hybridized, but at 1250cm-1 when it is sp2 hybridized has to be explained.

Concept Introduction:

The Infrared spectroscopy is used for the determination of functional groups present in the organic compounds.  The IR spectroscopy occurs at the region of 4000-400cm-1.  In IR spectroscopy, the absorption occurs at the vibrational level.  At vibrational level, the molecule shows stretching and bending vibrations.  The region used for the determination of functional groups is 3500-1500cm-1 (functional group region), as most of the stretching and bending vibrations of functional groups occurs at this region.  The region of 1500-400cm-1 is known as finger print region.

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