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# VIBRATIONAL ZEKE PHOTOELECTRON SPECTROSCOPY OF CHLOROBENZENE CATION

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/29638

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 Title: VIBRATIONAL ZEKE PHOTOELECTRON SPECTROSCOPY OF CHLOROBENZENE CATION Creators: Panov, Sergey I.; Wright, Timothy G.; Miller, Terry A. Issue Date: 1995 Abstract: Zero-kinetic-energy (ZEKE) photoelectron spectroscopy was used to probe the vibrational levels in the ground electronic state of the chlorobenzene cation using a two-color photoionization scheme via the $S_{1}$ electronic state of the $neutral^{a}$. Exciting through different $S_{1}$ vibrational levels has revealed mixing of some $S_{1}$ normal coordinates in the ground state of the cation. A previously-identified Fermi resonance in the $S_{1}$ state of the neutral is also confirmed by the ZEKE spectra. The adiabatic ionization energy is measured as $73170 \pm 5 cm^{-1}$. URI: http://hdl.handle.net/1811/29638 Other Identifiers: 1995-RF-07