NMR Spectroscopy
When placed in a magnetic field, all the random spins of the nuclei

align with the magnetic field
rotate to 90° away from the induced field
stop
reverse direction

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NMR Spectroscopy
All hydrogen atoms

have the same resonance frequency
are attached to carbon
resonate at different frequencies depending on their environment.
resonate at about the same frequency as carbon

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NMR Spectroscopy
Why is it important to use a deuterated solvent?

So the spectrometer can lock onto the sample to prevent the spectrum from drifting during aquisition
Expensive solvents work best with NMR
NMR uses least of this solvent
They dissolve polymer the fastest

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NMR Spectroscopy
Coupling causes the peaks in 1H NMR spectra to be split into

multiple peaks equal to the number of hydrogen on surrounding atoms, plus one
two peaks
multiple peaks equal to the number of surrounding carbon atoms
multiple peaks equal to the number of hydrogens on surrounding atoms

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