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Lecture 3: Coupling Constants Chem 117 - Harvard University
www.people.fas.harvard.eduE. Kwan Lecture 3: Coupling Constants Chem 117 H Me H H What about 3-methylcyclopropene? H Me HD H D These protons are related by reflection and are enantiotopic. They are chemically and magnetically equivalent.
Lecture 3: Coupling Constants Chem 117 - GitHub Pages
ekwan.github.ioE. Kwan Lecture 3: Coupling Constants Chem 117 Here is the observed spectrum at 90 MHz in CDCl 3 (Lambert and Mazzola, pg 101): Uh oh: there are some 10 lines visible! Note that this odd appearance will not be improved by going to a higher magnetic field strength.