IR values caffeine ?

1 Answer
anor277
May 21, 2018

How would we know?

Explanation:

And in general IR spectroscopy is a very limited means of analysis.

![commons.wikimedia.org](useruploads.socratic.org)

There will be strong carbonyl absorptions in the IR spectrum around #1700*cm^-1#.

![http://webbook.nist.gov](https://useruploads.socratic.org/Ds3gRdT6QEu09HK7ZvJ4_caffeine_2.png)

But there is not a great deal we can draw from this spectrum.....

#""^1H# and #""^13C{""^1H}# #"NMR spectroscopies"# would give a much more definitive analysis, and we should see four absorptions in the #""^1H# #"NMR spectrum...."# with an integration ration of #3:3:3:1#...

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