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Solid-State 2H NMR Investigations in Guest Host Systems and Plastic Crystals

Jorge Garibay

ISBN 978-3-8325-0779-4
156 pages, year of publication: 2005
price: 40.50 €
Variable temperature 2H NMR investigations have been carried out to study the molecular behavior of perdeuterated benzene and pyridine in the inclusion compound with tris-(1,2-dioxyphenyl)-cyclotriphosphazene. Here, a comprehensive variable temperature 2 H NMR study is presented comprising line shape studies and relaxation experiments.

The experimental data clearly indicate the presence of highly mobile guest species. Sample cooling gives rise to characteristic line shape effects that can be attributed to a slow-down of the rotational motion. Additional 2H NMR measurements were performed on the plastic crystal 1,4-diazabicyclo[2,2,2]octane where highly mobile species were observed. A quantitative analysis of the experimental data is achieved by appropriate computer simulations taking into account various molecular motions for each studied system. The analysis of these theoretical data give rise to the kinetic parameters that are in the order of related systems.

Keywords:
  • 2H NMR spectroscopy
  • guest-host systems
  • molecular dynamics
  • inclusion compounds
  • plastic crystals

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40.50 €