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Published May 1, 1984 | public
Journal Article Open

Singlet→triplet transitions in C≡N containing molecules by electron impact

Abstract

The electron-impact excitation spectra of hydrogen cyanide (HCN), acetonitrile (CH3CN), malononitrile [CH2(CN)2], propionitrile (C2H5CN), and butyronitrile (C3H7CN) have been studied experimentally at impact energies of 25, 50, and 75 eV and at scattering angles from 5° to 80°. Results for hydrogen cyanide are in excellent agreement with previous work. Previously unobserved singlet-->triplet transitions of acetonitrile, propionitrile, and butyronitrile are reported. Also, the first study of the electronic spectrum of malononitrile is reported. Tentative assignments for transitions observed are reported.

Additional Information

Copyright © 1984 American Institute of Physics. Received 4 November 1983; accepted 17 November 1983. This work was supported in part by the U.S. Department of Energy, Contract No. DE-AM03-76F00767. Project Agreement No. DE-AT03-76ER72004. Work performed [bt R.R.] in 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. 6932.

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August 22, 2023
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October 16, 2023