Infrared Laser Stark Spectroscopy of Methyl Fluoride in 4He Nanodroplets

The objective of performing Stark spectroscopy was to see if there is any evidence for a rotational linewidth dependence on the external field strength, due to a reduced difference in between methyl fluorides rotational energy gap and the roton-gap of superfluid helium. We did not find any evidence for such an effect, which we largely attribute to the rotational energy gap not increasing significantly enough by the external field. We point to another molecule (formaldehyde) whose energy levels are predicted to show a more promising response to application of an external field.PMID:38511250 | DOI:10.1002/cphc.202400224
Source: Chemphyschem - Category: Chemistry Authors: Source Type: research