Microwave Spectra and Structures of H_2O\cdotsAgF

Details Microwave Spectra and Structures of H_2O\cdotsAgF Microwave Spectra and Structures of H_2O\cdotsAgF

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011mss..confewh04s&link_type=abstract

"International Symposium On Molecular Spectroscopy, 66th Meeting, Held 20-24 June, 2011 at Ohio State University. http://molspec

Physics

Microwave

Scientific paper

A Balle-Flygare FT-MW spectrometer coupled to a laser ablation source has been used to measure the pure rotational spectra of H2O\cdotsAgF. Generation is via laser ablation (532 nm) of a silver rod in the presence of SF6, argon, a low partial pressure of H2O and the molecules are stabilized by supersonic expansion. The spectra of eight isotopologues have been measured. Rotational constants, B0 and C0, and the centrifugal distortion constant, Δ _J have been determined. Isotopic substitutions are available at the silver, oxygen and hydrogen atoms. The spectra are consistent with a linear arrangement of oxygen, silver and fluorine atoms and the structure is either C2v planar at equilibrium or CS pyramidal but with a low potential-energy barrier to planarity such that the v = 0 and 1 states associated with the motion that inverts the configuration at the O atom are well separated.

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