Sell, Jeffrey A. and Kuppermann, Aron (1979) Variable angle photoelectron spectroscopy of the fluoroethylenes. Journal of Chemical Physics, 71 (11). pp. 4703-4715. ISSN 0021-9606. http://resolver.caltech.edu/CaltechAUTHORS:20120810-074624300
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Abstract
He I photoelectron spectra of fluoroethylene, 1,1‐difluoroethylene, cis‐1,2‐difluoroethylene, trans‐1,2‐difluoroethylene, trifluoroethylene, and perfluoroethylene were obtained over the scattering angle range of 45° to 120° and compared with those of ethylene. Vibrational frequencies of the ionic states were measured and their symmetry modes assigned. The asymmetry parameter β as a function of the ionization potential was measured for each molecule. The value of β for the first ionization potential band of these molecules was found to decrease monotonically with increasing fluorine substitution. This variation was interpreted as being due to resonance mixing of the lone pair F π orbitals with C–C π orbitals. The data obtained were used to assign some of the spectral bands observed.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1979 American Institute of Physics. Received 28 August 1978. Online Publication Date: 25 July 2008. This work was supported in part by a contract (EY -76-5-03-767) from the U. S. Department of Energy, Report Code: CALT-767P4-177. Work performed in partial fulfillment of the requirements for the Ph. D. degree in chemistry at the California Institute of Technology. Contribution No. 5843 | |||||||||
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| Subject Keywords: | ETHYLENE, FLUORINE COMPOUNDS, ORGANIC HALOGEN COMPOUNDS, PHOTOELECTRON SPECTROSCOPY, IONIZATION POTENTIAL, FLUORINE IONS | |||||||||
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| Classification Code: | PACS: 33.60.+q | |||||||||
| Record Number: | CaltechAUTHORS:20120810-074624300 | |||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20120810-074624300 | |||||||||
| Official Citation: | Variable angle photoelectron spectroscopy of the fluoroethylenes Jeffrey A. Sell and Aron Kuppermann J. Chem. Phys. 71, 4703 (1979); http://dx.doi.org/10.1063/1.438254 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 33073 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 10 Aug 2012 15:27 | |||||||||
| Last Modified: | 26 Dec 2012 15:56 |
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