How to Read IR spectrum? (With subtitles) | Amide | The Carbonyl functio...

How to Read IR spectrum? (With subtitles) | Amide | The Carbonyl functional group

Amides are characterized by the presence of a carbonyl group to which a nitrogen is attached. This nitrogen provides its lone pair for resonance with the carbonyl group, decreasing its double bond character and thus the strength. Therefore, it abosrbs at a lower frequency.

This video lecture explains how we can identify the presence or absence of an amide functional group through IR spectoscopy.

How to Read IR spectrum? (with subtitles) | The carbonyl group | carboxy...

HOW TO READ AN IR SPECTRUM?

IR spectroscopy is sometimes known as "The functional group spectroscopy" because it gives us an idea of which functional groups are present in the molecule.

IR spectrum contains peaks for both stretching and bending vibrations and mostly these are the stretching vibration bands that diagnose the molecule, howevers sometimes the bending vibration bands are also needed for identifiction of certain functional groups.

This video is the first in this series and here we are discussing the carboxylic acid functional group.