MICROWAVE SPECTRUM OF THE FURAN-CO VAN DER WAALS COMPLEX
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Publisher:Ohio State University
Furan and CO form a Van der Waals complex where the CO sub-unit lies above the plane of furan. In contrast to the pyrrole-CO complex, the microwave spectrum exhibits noticeable splittings of the individual rigid rotor transitions. The splittings can be attributed to a hindered internal rotation of CO above the plane. Spin-statistical weights suggest that the large amplitude motion permutes the equivalent protons in the furan sub-unit. Results from the microwave spectrum of the parent species recorded in the range between 8-18 GHz using a molecular beam Fourier-transform spectrometer will be presented. The analysis was performed with either a rigid rotor Hamiltonian or with an approximate rotation-internal rotation Hamiltonian.
Author Institution: University of British Columbia, 2036 Main Mall, Vancouver, B.C., Canada V6T 1Z1.; Eidgenössische Technische Hochschule, ETH Zentrum, 8092 Zürich.
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