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Spectroscopy & Spectrometry

Carbon-13 NMR: Assigning Peaks

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Practise identifying the proton chemical environments in a simple organic molecule, relate this to the number of signals observed in the NMR spectrum, use a table of chemical shifts to determine the expected positions of these signals on the spectrum, deduce the relative integrals of each signal and use the n+1 rule to predict the multiplicities.

Learning Outcomes

  • Familiarise yourself with the key concepts of proton NMR spectroscopy
  • Understand how to identify the chemical environment of protons in a molecule
  • Learn how to use chemical shifts to identify signals in a spectrum
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Concepts Principles and Theories

  • How to identify the number of carbon environments in a molecule
  • How to predict the number of signals a molecule will produce 
  • How to assign the chemical shift for the different carbon environments 
  • How to identify the number of carbon atoms contributing to each signal  

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Altantic Technological University

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