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Interpretting C-NMR Spectra
The following information is to be gained from a typical  broadband decoupled 13C-NMR spectrum:
How many types of C ? Indicated by how many signals there are in the spectra
What types of C ?  Indicated by the chemical shift of each signal

Here are some examples of 13C-NMR spectra.

13C-NMR of ethyl ethanoate (broadband decoupled)

13C-NMR of acetophenone (broadband decoupled)

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organic chemistry © Dr. Ian Hunt, Department of Chemistry University of Calgary