Infrared Spectroscopy of Gas Phase Cluster Ions PDF Download

Author: Gabriele Santambrogio
Publisher:
ISBN:
Category :
Languages : en
Pages : 196

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Author: Nicholas Leo Pivonka
Publisher:
ISBN:
Category :
Languages : en
Pages : 256

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Author: Theo W. Hansch
Publisher:
ISBN: 9783662152522
Category :
Languages : en
Pages : 440

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Author: Oscar Rodriguez (Jr)
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Many biological and environmental systems contain ion, water, and hydrophobic components; and it is the balance between these competing interactions which governs their chemistry. This Thesis aims at exploring ion0́Ø0́Ø0́Øhydrocarbon interactions, then ion0́Ø0́Ø0́Øwater0́Ø0́Ø0́Øalkane interactions. To accomplish this, a combination of gas phase infrared predissociation spectroscopy (IRPD) and tandem mass spectrometry is utilized. The solvation of alkali metal ions by methane is discussed first, beginning with the effects of multiple argon atoms on Li+0́Ø0́Ø0́ØCH4 dimer clusters followed by a study of M+(CH4)n clusters where it is revealed that ions have a weak electrostatic effect beyond the first solvent shell. Next, the argon tagging and monitoring unique fragmentation channels are used to selectively probe for high energy Li+(H2O)3-4Ar1 conformers which contain extensive water hydrogen bonding. Finally, ion0́Ø0́Ø0́Øwater0́Ø0́Ø0́Øalkane interactions are probed in Li+(H2O)n clusters containing CH4 or C6H12 molecules. Some spectra contain hydrogen bonded peaks correlating to weak water0́Ø0́Ø0́Øalkane interactions. Furthermore, there is strong evidence that high energy conformers containing water hydrogen bonding are present in the cluster ion beam. This analysis is expanded to anionic Cl-(Water)m(CH4)n clusters to compare with cations. Density functional theory or MP2 level calculations were used to support and help characterize experimental data.

Author: Jörg Mathias Weber
Publisher:
ISBN:
Category :
Languages : en
Pages : 135

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Author: Eva Cristina Kaposta
Publisher:
ISBN:
Category :
Languages : en
Pages : 172

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Author: Anouk M. Rijs
Publisher: Springer
ISBN: 3319192043
Category : Science
Languages : en
Pages : 409

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The series Topics in Current Chemistry presents critical reviews of the present and future trends in modern chemical research. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field. Review articles for the individual volumes are invited by the volume editors. Readership: research chemists at universities or in industry, graduate students.

Author:
Publisher: Elsevier
ISBN: 0080550886
Category : Science
Languages : en
Pages : 281

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Advances in Gas Phase Ion Chemistry

Author: Ben Michael Elliott
Publisher:
ISBN:
Category :
Languages : en
Pages : 200

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Author: Mitchio Okumura
Publisher:
ISBN:
Category :
Languages : en
Pages : 382

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