The pure rotational spectrum of a Claisen rearrangement precursor Allyl phenyl ether (cas 1746-13-0) using CP-FTMW spectroscopy

Add time:07/11/2019    Source:sciencedirect.com

The pure rotational spectrum of a Claisen rearrangement precursor, Allyl phenyl ether (cas 1746-13-0) (APE), has been measured on a chirped pulse Fourier transform microwave (CP-FTMW) spectrometer in the 8–14 GHz region. Rotational and centrifugal distortion constants for multiple conformations have been determined and are reported for the first time. This is the first study of a phenyl-containing ether where multiple conformers were experimentally observed all within their ground vibrational states. Quantum chemical calculations have been performed to isolate low energy geometries of APE and are implemented to aid in spectral assignment. Other structural parameters such as planar moments and inertial defects for the Allyl Phenyl Ether conformers are presented and compared to similar molecules.

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