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Chemistry Forums for Students => Analytical Chemistry Forum => Topic started by: Traumatic Acid on March 25, 2020, 10:05:04 PM

Title: 1H - NMR spectra, some very strange peaks at 6 ppm
Post by: Traumatic Acid on March 25, 2020, 10:05:04 PM
Hi all.
Currently working through some NMR. I got this spectra which has a strange cluster of peaks at 6. It looks like a double quintet but it doesn't have the shape that a quintet would usually have. Can anyone identify what this could be?
Also the compound is unknown (for now) and I assume it was dissolved in Deuterated Chlorofom.
Thanks for any *delete me* :)
 
Title: Re: 1H - NMR spectra, some very strange peaks at 6 ppm
Post by: Babcock_Hall on March 25, 2020, 10:18:38 PM
Have you tried applying the rules of first-order multiplets?  There is an article on how to do this by Brian Mann at J. Chem. Ed. 1995 72(7) 614-615.
Title: Re: 1H - NMR spectra, some very strange peaks at 6 ppm
Post by: wildfyr on March 26, 2020, 08:37:55 AM
I those are two overlapping peaks. A doublet of triplets and a quintet. Pretty neat to see them so nicely resolved, is that a high field NMR?