Infrared spectra and conformational structure of 2-Methoxypropene (cas 116-11-0)

Add time:08/25/2019    Source:sciencedirect.com

The rotational isomerism of the title compound, CH2C(CH3)OCH3, has been studied by i.r. spectroscopy. The spectra reveal the presence of two conformational isomers in the fluid phases. The energy difference between them is estimated to be 0.85 kcal/mole in the liquid state. From the shapes of the band envelopes in the vapour phase spectra evidence is obtained that the more stable isomer has a planar configuration of the heavy atoms. A vibrational assignment of the observed fundamental bands has been attempted on the basis of characteristic group frequencies.

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