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Chemistry Forums for Students => Organic Chemistry Forum => Topic started by: DannyBoi on October 01, 2011, 07:19:47 PM

Title: What does this IR peak mean?
Post by: DannyBoi on October 01, 2011, 07:19:47 PM

Hi,

I would like to figure out what the peak at 1,600 cm-1 is the result of? I figure it's either the C-O or C-N bond but it doesn't fit in with the notes I am given. Thanks

http://riodb01.ibase.aist.go.jp/sdbs/cgi-bin/direct_frame_top.cgi

EDIT:

I guess it doesn't let me link right to the spectrum, but if you click the link and search for 3-isopropoxypropylamine that's what I meant

Title: Re: What does this IR peak mean?
Post by: DannyBoi on October 01, 2011, 07:42:46 PM

Also, my handout lists the integration of the H NMR as 3H, 2H, 2H, 2H, 1H, 2H for the ppms at 1.2, 1.7, 2.0, 2.7, 3.2, 3.4 (respectively), but shouldn't the integration at 1.2 be 6H rather than 3H because of the 6 hydrogens at the terminal methyl branches?

Title: Re: What does this IR peak mean?
Post by: fledarmus on October 03, 2011, 08:14:49 AM

When I look up 3-isopropoxypropylamine on that site, the spectra I get doesn't even show the ppms that you have listed. Are you sure you have the right compound?

Title: Re: What does this IR peak mean?
Post by: DannyBoi on October 03, 2011, 10:51:47 AM

The ppms I listed I got from my handout but I thought they were at least similar to the ones from the database, but yeah I'm sure this is the compound.

Title: Re: What does this IR peak mean?
Post by: fledarmus on October 03, 2011, 11:01:18 AM

Then yes, the integration for the two methyl groups should be 6