Zero electron kinetic energy spectroscopy of the ArCl− anion

Zero electron kinetic energy spectroscopy of the ArCl− anion

Zero electron kinetic energy (ZEKE) spectroscopy has been utilized to study the Ar3540Cl− 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...

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Veröffentlicht in:Journal of Chemical Physics 1999-05, Vol.110 (19), p.9578-9586
Hauptverfasser: Lenzer, Thomas, Yourshaw, Ivan, Furlanetto, Michael R., Reiser, Georg, Neumark, Daniel M.
Format: Artikel
Sprache:eng
Schlagworte:
ANIONS
ARGON CHLORIDES
ARGON COMPOUNDS
ELECTRON DETACHMENT
ELECTRONIC STRUCTURE
KINETIC ENERGY
MASS SPECTRA
PHOTOELECTRON SPECTROSCOPY
PHYSICS
VIBRATIONAL STATES
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Zusammenfassung:Zero electron kinetic energy (ZEKE) spectroscopy has been utilized to study the Ar3540Cl− 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 Rm and ε in all potentials are estimated to be ±0.08 Å and ±0.6 meV, respectively.
ISSN:0021-9606
1089-7690
DOI:10.1063/1.478923