The rotational Zeeman effect of several low J rotational transitions of difluoroacetonitrile has been studied under high resolution conditions with a microwave superheterodyne bridge spectrometer. The observed anisotropies in the molecular magnetic susceptibility tensor are discussed within the model of local susceptibilities to derive the magnetic susceptibility tensor of the nitrile group. Comparison with results obtained earlier for acrylonitrile shows significant changes, probably due to electron withdrawal from the CN-group by the neighbouring fluorine atoms.
Received: 1986-9-22
Published Online: 2014-6-2
Published in Print: 1987-2-1
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