OSU Navigation Bar

The Ohio State University University Libraries Knowledge Bank

The Interaction of HCl and Crystalline Ice Clusters at Cryogenic Temperatures: Evidence of the Molecular Complex

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/29621

Show full item record

Files Size Format View
1995-RE-04.jpg 61.32Kb JPEG image Thumbnail of The Interaction of HCl and Crystalline Ice Clusters at Cryogenic Temperatures: Evidence of the Molecular Complex

Title: The Interaction of HCl and Crystalline Ice Clusters at Cryogenic Temperatures: Evidence of the Molecular Complex
Creators: Delzeit, Lance; Devlin, J. Paul
Issue Date: 1995
Abstract: The addition of HCl to the surface of crystalline ice clusters at cryogenic temperatures produces spectroscopic changes which can be related to the formation of the hydronium ion and the HCl acting as a molecular adsorbate. The hydronium ion is identified from its IR active modes below $2200cm^{-1}$. Evidence for the HCl acting as a molecular adsorbate is its effect on the dangling-hydrogen (d-H) mode and the appearance of a $2500cm^{-1}$ band. Analogous spectra for with the $HBr-H_{2}O$ and the $DCl-D_{2}O$ $systems^{1}$ show two bands relative to the one band in the $2500cm^{-1}$ region due to the $HCl-H_{2}O$ interaction. The single band in the HCl system is attributed to the near overlap of the bands due to the molecular and ionic interaction of the HCl and $H_{2}O$. Reference to matrix $isolation^{2,3}$ and computational $work^{4}$ will show the plausibility of the presence of the molecular complex. Shifting of the d-H band is a common effect for molecularly adsorbed species on the surface of $ice.^{5}$ The shifting of the d-H to a position yet unobserved for common adsorbates gives strong evidence of the HCl acting as a molecular adsorbate.
URI: http://hdl.handle.net/1811/29621
Other Identifiers: 1995-RE-04
Bookmark and Share