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Molecular Symmetry: IR and Raman Activity of the Vibrational Modes of CH2O

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Physical Chemistry (PChem) 161 tutorials here
Chemistry

The EXCEL file can be downloaded from yingbin-ge.com. You may also google “PChem CWU” to find the website.
For a molecule with a C2v point group such as CH2O.
A1, B1, B2 are IR active.
A1, A2, B1, B2 are all Raman active.