Re: ORGLIST: IR Problem

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From: Kaspar (dko$##$ou.edu)
Date: Wed Feb 28 2001 - 22:03:54 EST


Ashutosh,

How do you know what the molecular formula is? Got NMR? Did it come
from a bottle with a label on it? Never really known anyone to be
puzzled by a three-carbon structure, not too many choices really. Do
your own homework.

K.

Ashutosh wrote:

> Hellothere's a problem in IR spectroscopy i am finding confusing a
> compound shows IR bands at 1620, 990 and 910 reciprocal cm.its
> molecular formula is C3H6Ofind its structure now,the band at 1620
> refers to alkene C=Cthe bands at 990 and 910 refer to monosubstituted
> ethylene.my problem is;where does the oxygen fit in?there is no C=O.so
> the closest bet is an ether.but ethers show C-O stretching frequency
> at 1000-1300 reciprocal cm.so what could be the
> structure? thanksAshutosh

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