Transuranic actinide reactions with simple gas-phase molecules.

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The intent of this research is to conduct an experimental study of f-element chemistry fo r the purpose of identifying reaction trends and mechanisms of the early actinide metals with simple gas phase molecules . Previous research has elucidated some of the fundamenta l chemistry of the 4f elements,1-5 however, more complex chemistry is expected for the 5f serie s due to the inclusion of the 5f electrons in the valence shell . The matrix isolation approach, which is well-suited to the experimental study of transient species, will be used for sample collection, and IR/NIR/VIS spectroscopy will be employed to ... continued below

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[4] p.

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Willson, S. P. (Stephen P.); Veirs, D. K. (Douglas Kirk) & Baiardo, J. P. (Joseph P.) January 1, 2003.

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Description

The intent of this research is to conduct an experimental study of f-element chemistry fo r the purpose of identifying reaction trends and mechanisms of the early actinide metals with simple gas phase molecules . Previous research has elucidated some of the fundamenta l chemistry of the 4f elements,1-5 however, more complex chemistry is expected for the 5f serie s due to the inclusion of the 5f electrons in the valence shell . The matrix isolation approach, which is well-suited to the experimental study of transient species, will be used for sample collection, and IR/NIR/VIS spectroscopy will be employed to interrogate deposited matrices . The strength of this method lies in the use of isotopes of reactants, which permits the identification of guest molecules in a noble gas matrix by observation of vibrational frequenc y shifts and patterns upon isotopic substitution . Using this technique at the University of Virginia, the first noble gas-actinide bond has recently been identified, a weak U-Ar bond on the CUO molecule.6 Uranium has similarly been observed to bond to krypton and xenon, whereas thoriu m and the lanthanides have not exhibited this activity . It is expected that plutonium will be even more reactive in this respect . We will extend the body of actinide experimental evidence t o include the transuranic elements neptunium, plutonium, and americium reacted with isotopes o f oxygen, nitrogen, hydrogen, carbon monoxide, and carbon dioxide .

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[4] p.

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  • Submitted to: Plutonium Futures Conference 2003, July 6-10, 2003, Albuquerque, NM

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  • Report No.: LA-UR-03-0707
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976543
  • Archival Resource Key: ark:/67531/metadc927268

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Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • January 1, 2003

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 5:11 p.m.

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Willson, S. P. (Stephen P.); Veirs, D. K. (Douglas Kirk) & Baiardo, J. P. (Joseph P.). Transuranic actinide reactions with simple gas-phase molecules., article, January 1, 2003; United States. (digital.library.unt.edu/ark:/67531/metadc927268/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.