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We proposed torsional motions of subsisted methanol molecules as a sensitive probe to detect the molecular parity-violating (PV) effects. The predicted PV frequency shift for the torsional transition of CFClBrOH is approximately 100 times larger than that of the conventional C–F stretching mode of CHFClBr. The maximum PV frequency shift (3.2 Hz) is obtained in the CHBrIOH molecule.

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This page is a summary of: Strong parity-violation effects induced by large-amplitude motions: A quantum-dynamics study of substituted chiral methanols, The Journal of Chemical Physics, February 2025, American Institute of Physics,
DOI: 10.1063/5.0249801.
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