MID-INFRARED SPECTROSCOPY OF IONIC PROTON-BOUND COMPLEXES: INTERMOLECULAR INTERACTION AND SOLVATION EFFECTS
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Date
1996
Journal Title
Journal ISSN
Volume Title
Publisher
Ohio State University
Abstract
Mid-infrared photofragmentation spectra of mass-selected proton-bound cluster ions of the type $B_{n}\ldots H-A^{+}$ have been recorded, where A is either $N_{2}$, $CO_{2}$, $H_{2}O$, $NH_{3}$, or $H_{2}$, or $H_{2}$, while B are either rare gas atoms (Rg = He, Ne, Ar) or $H_{2}$. Rotationally-resolved spectra of the dimers (n=1) provide information about the intermolecular potential (equilibrium geometry, binding energy, effects of tunneling and internal rotation). For larger clusters ($n-{1}$), frequency shifts in vibrational spectra give rise to a consistent picture of cluster growth (microsolvation process). Recent results for $Ne_{n}\ldots HCO^{+}$ (n=1.2) will be compared to those for the previously characterized $Ar_{n}\ldots HCO^{+}$ series (n=1.13)$^{a}$.
Description
$^{a}$S. A. Nizkorodov, O. Dopfer, T. Ruchti, M. Meuwly, J. P. Maier, and E. J. Bieske, J. Phys. Chem. 99, 17118 (1995)
Author Institution: Institut f\""{u}r Physikalische Chemie, Universit\""{a}t Basel; School of Chemistry, University of Melbourne
Author Institution: Institut f\""{u}r Physikalische Chemie, Universit\""{a}t Basel; School of Chemistry, University of Melbourne