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Classical Molecular Rotation |
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Use the sliders on the right to investigate the effect of the atomic masses, bond length and energy on the
classical rotation of the molecule.
Click on the corresponding quantum mechanical energy levels to show the quantized version.
The bond force constant is a measure of the stiffness of the bond. It set to an initially high value corresponding to a stiff bond
and an effectively rigid rotor. Lowering this value allows the bond to lengthen at high rotational speeds - this 'centrifugal distortion'
leads to an effective bond length which is longer than the bond length for the non-rotating molecule.
Once you have covered all of the available resources for rotational
spectroscopy, you should test your knowledge and understanding with the self test.
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