Physics – Atomic and Molecular Clusters
Scientific paper
2006-08-16
Phys. Chem. Chem. Phys. 7, 67-78 (2005)
Physics
Atomic and Molecular Clusters
41 pages, 16 figures, 5 tables
Scientific paper
10.1039/b415427d
Rotationally resolved infrared spectra are reported for halogen atom - HF free radical complexes formed in helium nanodroplets. An effusive pyrolysis source is used to dope helium droplets with Cl, Br and I atoms, formed by thermal dissociation of Cl$_2$, Br$_2$ and I$_2$. A single hydrogen fluoride molecule is then added to the droplets, resulting in the formation of the X-HF complexes of interest. Analysis of the resulting spectra confirms that the observed species have $^2\Pi_{3/2}$ ground electronic states, consistent with the linear hydrogen bound structures predicted from theory. Stark spectra are also reported for these species, from which the permanent electric dipole moments are determined.
Küpper Jochen
Merritt Jeremy M.
Miller Roger E.
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