Figure It Out (The IR Spectrum Song)





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Uploaded on May 13, 2009

Learn how to read an IR spectrum and "Stay Alive" in Organic Chemistry! Or, just dance like crazy with John Travolta and hope it sinks in by osmosis!

* * * Lyrics below after notes* * *

A VERY helpful video explaining IR spectrums and how they work is at http://www.youtube.com/watch?v=DDTIJg...

For helpful online links to more IR Spectrum info, see http://www.800mainstreet.com/irsp/eir... http://www.chem.ucalgary.ca/courses/3... and http://orgchem.colorado.edu/hndbksupp... (the second one is a whole chapter you can click around in--very useful).

* * * NOTE * * *
The numbers given are approximations. Each IR spectrum is a little bit different (and so are Chemistry books). So if you see an absorption peak in the right general area, relax and explore what it could be. It won't be the exact number from my song. I'd also like to forewarn you that some people call the fingerprint area different things. Some say left of 1500, others say 1100, and I just found one that says 1300. Anyway, the stuff on the right will be generally more complex and harder to read, but some of it is still readable. So as far as the fingerprint region, just listen to what your professor says, substitute that number into the song and you'll be all set.

Figure It Out
(The IR Spectrum Song)
Lyrics by Jenny Walsh

Well, you can tell from the broad absorption peak
3400, its an alcohol
If its really broad and a little lower
Carboxylic acid's absorbing power

Find the clues
We can use
From the IR Spectrum
Dont be scared
Be prepared
Know 'em and respect 'em

Look above the fingerprint
To the left of 1500
Figure It Out!
Figure It Out!
Find the alkyl C-H bonds
Peak at 2900
Figure It Out!
Figure It Out!
Ha ha ha ha!
Figure It Out!
Figure it Out!
Ha ha ha ha!
Figure it Out! ~~~~~~
I'll figure it out

Look for a strong carbonyl peak around
1670 to 1780
C triple bonds with Nitrogen
Peaks 2210 and medium


BRIDGE: [don't C=C and C triple bond C LOOK like bridges?]
C double bond C near 1660
Near 1660, yeah [I say it twice for the double bond--nice]
C triple bond C
2100-2260 (twenty-one to twenty-two sixty)
I'll figure it out

(verse 1)
(Bridge-3 times)
I'll figure it out, yeah!

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