Zero electron kinetic energy spectroscopy of the ArCl− anion
- 15 May 1999
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 110 (19), 9578-9586
- https://doi.org/10.1063/1.478923
Abstract
Zero electron kinetic energy (ZEKE) spectroscopy has been utilized to study the 40 Ar 35 Cl − anion and the X1/2, I3/2 and II1/2 electronic states of neutral ArCl. Well-resolved progressions in the low-frequency vibrations of the anion and the neutral complexes are observed in the ZEKE spectra. From our spectroscopic data we construct model potential functions for the anion and three neutral states. This yields refined values for the neutral state splittings and the first accurate experimental ArCl − anion potential. Absolute uncertainties for R m and ε in all potentials are estimated to be ±0.08 Å and ±0.6 meV, respectively.Keywords
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