I wish to compute anharmonic Raman intensities in Gaussian 09W Revision A.02. I have computed the anharmonic IR frequencies which can be found in the output file.

How do I set up the input file to compute the Raman intensities using the anharmonic frequencies and force constants found in the checkpoint file? (I think I have to use Polar =Raman?)

Can anyone help with the Gaussian input file script to allow this? Would be much appreciated!

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