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Chemistry Forums for Students => Organic Chemistry Forum => Organic Spectroscopy => Topic started by: anya44995 on May 28, 2012, 08:15:54 PM

Title: Interpreting the IR of dibenzoylmethane
Post by: anya44995 on May 28, 2012, 08:15:54 PM

http://webbook.nist.gov/cgi/cbook.cgi?ID=C120467&Type=IR-SPEC&Index=1#IR-SPEC (http://webbook.nist.gov/cgi/cbook.cgi?ID=C120467&Type=IR-SPEC&Index=1#IR-SPEC)
Here is a link to the IR spectrum of dibenzoylmethane. What I'm wondering is why there isn't a peak in the 1700s to denote the carbonyl groups.

Title: Re: Interpreting the IR of dibenzoylmethane
Post by: discodermolide on May 28, 2012, 11:27:12 PM

Quote from: anya44995 on May 28, 2012, 08:15:54 PM

http://webbook.nist.gov/cgi/cbook.cgi?ID=C120467&Type=IR-SPEC&Index=1#IR-SPEC (http://webbook.nist.gov/cgi/cbook.cgi?ID=C120467&Type=IR-SPEC&Index=1#IR-SPEC)
Here is a link to the IR spectrum of dibenzoylmethane. What I'm wondering is why there isn't a peak in the 1700s to denote the carbonyl groups.

What are the peaks around 1600cm^-1?