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Spectroscopy & spectrometry

IR: Fundamentals

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Learn about the underlying concepts of infrared spectroscopy and explore how vibrational energy levels are related to an infrared spectrum.

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Learning outcomes

  • Know that IR spectroscopy investigates the vibrational energy levels of molecules
  • Differentiate between the harmonic oscillator and the Morse potential
  • Describe the different modes of bond vibration, and deduce which of these modes are IR active
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Skills

Concepts, Principles and Theories

  • What is meant by stretching frequency 
  • How the length and strength of a bond affects the stretching frequency 
  • What is meant by vibrational transitions and the fundamental transition
  • How to calculate the number of modes of vibration for a molecule
  • How to identify whether a mode is IR active 

Interpreting and Analysing Data

  • How active vibrations are represented on an IR spectrum
  • How to identify the corresponding peak for different active vibrational modes

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Dr. Ciorsdaidh Watts
University of Glasgow

“We have noted how quickly students got started initially, and how much extra time they had in the lab to concentrate on techniques and safety.”

Details

Degrees

Pharmacological science
Forensic science
Chemistry

Modules

Analytical chemistry

Topic

Spectroscopy & spectrometry

Purchase option

Chemistry LabSim Library

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