Atkins & de Paula: Physical Chemistry: 8e 
Web Links
Additional end-of-chapter ProblemsAtkins & de Paula: Physical Chemistry: 8e
Chapter 12
The Point Group Tutorial
http://www.chemistry.emory.edu/pointgrp/
An interactive tutorial designed to help students identify symmetry elements and assign point groups to molecules.
3D Exercises in Point Group Symmetry
http://www.ch.ic.ac.uk/vchemlab/symmetry/
The 3D structures may be helpful for those struggling to identify symmetry operations.
Symmetry Tutorial
http://www.otterbein.edu/home/fac/dnhjhns/symmetry/intro.html
A basic symmetry tutorial.
Normal Modes of Vibration
http://cat.middlebury.edu/~chem/chemistry/ch2cl2/vib.html
Further detail on the symmetries of molecular vibrations.
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