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Chemistry Forums for Students => Organic Chemistry Forum => Organic Spectroscopy => Topic started by: mhanze on December 19, 2012, 02:44:49 PM

Title: IR spectrum !?
Post by: mhanze on December 19, 2012, 02:44:49 PM

Hey guys, I need help in these IR spectrum assignation. Those are my product and quatery ammonium salt, I have to be sure that I have right compounds. So can you help me with assignation of this two spectrums, the one with benzimidazolium salt are three aligned spectrum, but they are the same compound.

Title: Re: IR spectrum !?
Post by: Heisenberg Jr. on December 20, 2012, 04:47:51 PM

you can try to use this IR table for functional groups:
http://www.wellesley.edu/Chemistry/chem211lab/Orgo_Lab_Manual/Appendix/Instruments/InfraredSpec/Chem211%20IR%20Lit%20Value%20Table.pdf (http://www.wellesley.edu/Chemistry/chem211lab/Orgo_Lab_Manual/Appendix/Instruments/InfraredSpec/Chem211%20IR%20Lit%20Value%20Table.pdf)