Spectroscopy

Summary

Introduction into optical spectroscopy of molecules

Content

Learning Prerequisites

Recommended courses

Quantum Chemistry

Learning Outcomes

By the end of the course, the student must be able to:

• Discuss the Born Oppenheimer approximation and its consequences
• Derive line intensities of transitions
• Derive rotational energy levels of different types of molecules
• Analyze rotational spectra
• Derive vibrational energy levels of molecules
• Analyze rovibrational spectra
• Describe Raman spectroscopy
• Analyze Raman spectra
• Formulate the Franck Condon principle
• Analyze rovibronic spectra of diatomic molecules
• Work out / Determine selection rules using group theory

Teaching methods

Ex Cathedra with excersise sessions

Expected student activities

Work on the excercises at home

Assessment methods

Oral exam

Resources

Bibliography

Primary References:                          

• J. M. Hollas, Molecular Spectroscopy
• C. H. Townes and A. L. Schawlow, Microwave Spectroscopy
• D. A. McQuarrie, Quantum Chemistry

Secondary References:

• G. Herzberg, Molecular Spectra and Molecular Structure. I. Spectra of Diatomic Molecules
• G. Herzberg, Molecular Spectra and Molecular Structure. II. Infrared and Raman Spectra of Polyatomic Molecules
• G. Herzberg, Molecular Spectra and Molecular Structure. III. Electronic Spectra and Electronic Structure of Polyatomic Molecules

Ressources en bibliothèque

• Modern spectroscopy / Hollas
• Quantum chemistry / McQuarrie
• Spectra of diatomic molecules / Herzberg
• Microwave spectroscopy / Townes
• Infrared and Raman spectra of polyatomic molecules / Herzberg
• Electronic spectra and electronic structure of polyatomic molecules / Herzberg

Moodle Link

• https://go.epfl.ch/CH-343