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Nikita Styles

1H NMR spectrum of propan-1-ol

Antonio Moroni  Follow
Well for the CH2 next to the CH3 it would be 6 since it has 5 adjacent protons. For the CH2 next to the OH it would be 4 since there are 3 adjacent protons.

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Daniel James Berger  Follow
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How many peaks will the two CH2 groups be split into?

What do you think?  What causes a peak to split?  How many other different hydrogens are next to each CH2 group?

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Is there somewhere online where I can view the 1H NMR spectrum of propan-1-ol?

If you search you'll find various databases of NMRs but do you just want the answer or to learn how to work it out for yourself?

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Alexandre Courvoisier  Follow
Quote from:
Well for the CH2 next to the CH3 it would be 6 since it has 5 adjacent protons. For the CH2 next to the OH it would be 4 since there are 3 adjacent protons.

Are all the protons the same?

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Chris Forgan  Follow
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Are all the protons the same?

Some are. The ones bonded to that same carbon atom will be. But will that make a difference?

Though I will change my answer: The CH2 next to the OH will be split into 3 since OH does not cause splitting.

http://imgur.com/5d6r7s2

I tracked down the actual spectrum which does seem to match up with my predictions.

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