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Chemistry LibreTexts

4: Infrared Spectroscopy

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Learning Objectives

After completing this unit the student will be able to:

  • Describe the selection rule for infrared-active transitions.
  • Determine the vibrations for a triatomic molecule and identify whether they are infrared-active.
  • Draw the design of a non-dispersive infrared spectrophotometer and describe how it functions.
  • Describe the difference between time and frequency domain spectra.
  • Explain how a Michelson Interferometer can be used to obtain a time domain spectrum.
  • Explain the advantages of Fourier Transform infrared spectroscopy over conventional infrared spectroscopy.


This page titled 4: Infrared Spectroscopy is shared under a CC BY-NC 4.0 license and was authored, remixed, and/or curated by Thomas Wenzel via source content that was edited to the style and standards of the LibreTexts platform.

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