Published February 15, 1979
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Electronic spectroscopy of 1,3-cyclopentadiene, 1,3-cyclohexadiene and 1,3-cycloheptadiene by electron impact
Abstract
The electronic spectra of three conjugated cis-dienyl systems, 1,3-cyclopentadiene, 1,3-cyclohexadiene, and 1,3-cycloheptadiene have been investigated using electron-impact spectroscopy. Spectra were obtained at impact energies ranging from 20 to 75 eV and scattering angles from 5° to 80°. A single singlet --> triplet transition was observed for each molecule at 3.10, 2.94, and 2.99 eV, respectively. Information on the Franck–Condon envelopes was obtained for these transitions. The N-->V1, N-->V2, and V3, and several Rydberg transitions were also observed in each substance. Some previous unreported superexcited states lying above the first ionization potential were detected.
Additional Information
Copyright © 1979 American Institute of Physics. (Received 6 June 1978) The authors would like to thank Mr. R. Rianda for his assistance in obtaining some of the 1,3-cycloheptadiene data. This work was supported in part by a contract (EY-76-S-03-767) from the Department of Energy. Report Code: CALT-767P4-172. Work performed [by R.P.F.] in part partial fulfillment of the requirements for the Ph.D. degree in Chemistry at the California Institute of Technology. Arthur Amos Noyes Laboratory of chemical Physics, Contribution No. 5802.Files
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