Primary Textbook (F2011):

Molecular Quantum Mechanics, 5th edition by P. Atkins and R. Friedman (Oxford University Press, 2010).

Additional Texts (not required):

Spectra of Atoms and Molecules by P. F. Bernath (Oxford University Press).
Modern Spectroscopy, 4th edition by J. Michael Hollas (Wiley) The book will also be on reserve at Branson.
Quantum Chemistry by D. A. McQuarrie (Univ Science Books)
High Resolution Spectroscopy, 2nd Edition by J. Michael Hollas
Excited States and Photochemistry of Organic Molecules by M. Klessinger, J. Michl ,VCH Publishers, 1995
Chemical Applications of Group Theory, 3rd Edition - by Frank Albert Cotton
Symmetry and Spectroscopy : An Introduction to Vibrational and Electronic Spectroscopy - by Daniel C. Harris, Michael D. Bertolucci (Oxford University Press), 1990