I did 1H-NMR on propan-2-ol- and found a doublet at 4-88ppm- correspon.docx
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Jan. 28, 2023•0 likes•3 views
I did 1H-NMR on propan-2-ol- and found a doublet at 4-88ppm- correspon.docx
Jan. 28, 2023•0 likes•3 views
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I did 1H-NMR on propan-2-ol, and found a doublet at 4.88ppm, corresponding to the proton on the OH functional group, but when viewing NMRDB.org, they don\'t seem to show a peak for the OH at all. When viewing the peak on the Integrated Spectral Database System of Organic Compounds, the peak can instead be seen at 2.2ppm, and it appears as a singlet. Why is this? Solution Peak for the -OH proton do not come at a specific position in the NMR. They may appear anywhere in the spectrum mostly between 2-5 ppm range. The peak also does not appear sometimes and the -OH proton is easily exchangeble in the solution. Therefore, they appear mostly as a broad singlet in the 1H NMR. .
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I did 1H-NMR on propan-2-ol- and found a doublet at 4-88ppm- correspon.docx
- 1. I did 1H-NMR on propan-2-ol, and found a doublet at 4.88ppm, corresponding to the proton on the OH functional group, but when viewing NMRDB.org, they don't seem to show a peak for the OH at all. When viewing the peak on the Integrated Spectral Database System of Organic Compounds, the peak can instead be seen at 2.2ppm, and it appears as a singlet. Why is this? Solution Peak for the -OH proton do not come at a specific position in the NMR. They may appear anywhere in the spectrum mostly between 2-5 ppm range. The peak also does not appear sometimes and the -OH proton is easily exchangeble in the solution. Therefore, they appear mostly as a broad singlet in the 1H NMR.