Far-Infrared Spectroscopy of Weakly Bound Hydrated Cluster Molecules

Jonas Andersen

Research output: Book/ReportPh.D. thesisResearch

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Abstract

The thermodynamic properties of condensed phases, the functionality of many materials and the molecular organization in biological organisms are all governed by the classes of non-covalent interactions that occur already on the microscopic scale between pairs of molecules. A detailed investigation of the intermolecular interactions between prototypical molecular assemblies are valuable for accurate descriptions of larger supramolecular systems such as materials, gas hydrates and biological macromolecules. The aim of this PhD dissertation is to investigate intermolecular interactions fora series of medium-sized molecular clusters with water by means of far-infrared and terahertz neon matrix isolation spectroscopy. The embedding of non-covalent cluster molecules in solid cryogenic neon matrices at 2.8 K ensures a high sensitivity for direct spectroscopic observations of the large-amplitude intermolecular vibrational bands of the cluster molecules in the challenging far-infrared and terahertz spectral regions.A key parameter in the validation of the performance of theoretical predictions for weak non-covalent intermolecular interactions is the dissociation energy D0 that depends heavily on the class of large-amplitude intermolecular vibrational modes for an accurate estimation of the zero-point vibrational energy. 
Original languageEnglish
Place of PublicationKgs. Lyngby
PublisherDepartment of Chemistry, Technical University of Denmark
Number of pages184
Publication statusPublished - 2015

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