Atkins & de Paula: Elements of Physical Chemistry 5e 
Weblinks
Figures from the bookAtkins & de Paula: Elements of Physical Chemistry 5e
Chapter 19
Databases
CRC Handbook of Chemistry and Physics
www.hbcpnetbase.com/
Data may be accessed after purchasing a personal or institutional subscription.
NIST Chemistry Webbook
http://webbook.nist.gov/chemistry/
Contains databases of electronic and vibrational spectra.
Spectral Database System for Organic Compounds
http://riodb01.ibase.aist.go.jp/sdbs/cgi-bin/cre_index.cgi?lang=eng
A database system for organic compounds including NMR, FT-IR, Raman, and ESR spectra.
Tutorials
Moment of Inertia
http://hyperphysics.phy-astr.gsu.edu/hbase/mi.html
More like a summary on the key points on moments of inertia.
Molecular Spectroscopy
www.cartage.org.lb/en/themes/Sciences/Physics/MolecularPhysics/MolecularSpectra/MolecularSpectroscopy/MolecularSpectroscopy.htm
This site has good diagrams to accompany explanations.
Molecular Rotational Spectroscopy
http://192.207.64.1/somsak/2302633/2302633-Chapter3-6.pdf
A lecture handout on rotational spectroscopy of a diatomic molecule and a linear polyatomic molecule.
Rotational Raman Spectroscopy
http://physchem.ox.ac.uk/~hmc/tlab/605/html/introduction01.htm
Online practical on rotational raman spectroscopy with interactive applets showing J+2 and J-2 lines, changes with temperature, centrifugal distortion and gives labels for all the lines.
Normal Modes of Vibration
http://cat.middlebury.edu/~chem/chemistry/ch2cl2/vib.html
Further detail on the symmetries of molecular vibrations.
Spectroscopic Simulator
www.chemcollective.org/applets/spectro.php
Simulation of rotational-vibrational spectra of diatomic molecules.
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