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The Thermochemistry of Protonated and Sodiated Clusters Investigated via High-Pressure Mass Spectrometry

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Date

2007-09-27T19:33:21Z

Authors

Furzecott, Matthew

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Publisher

University of Waterloo

Abstract

High-pressure mass spectrometry has been employed to investigate hydrogen and sodium bound ion-molecule complexes in the gas phase. Insight into the structure and reactivity of ion-molecule complexes has been gained by examining simple mono-ketones of butanone and 2-pentanone and more complex β-diketones of 2,4-pentanedione, 1,1,1-trifluoro-2,4-pentanedione and 1,1,1,5,5,5-hexafluoro-2,4-pentanedione. The effect of fluorinating 2,4-pentanedione exhibits experimental trends that are not representative of current electronic structure calculations . A novel method of sodium ion production has been developed using sodium metal, allowing for equilibrium measurements below 150 °C. Sodium containing ion-molecule complexes have been investigated using the new method of sodium ion production.

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Keywords

High-Pressure Mass Spectrometry, Sodium

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