Discrete thermal patterns of hydrogen and deuterium molecules enclathrated in confined hydrate cages

A clear understanding of guest dynamic behavior occurring in solely confined nanosized cages has often been achieved through the neutron diffraction technique. However, the incoherent scattering exhibited by hydrogen generates a background signal that makes it difficult to detect the coherent Bragg scattering from the sample. Without resort to deuteration, the direct usage of H-2 gas confined in a cage without a chemical bond was successfully performed, showing stable backgrounds through the incoherent scattering length of the H-2. In particular, the discrete thermal patterns of H-2 and D-2 in a THF hydrate system in terms of the difference in the physical properties of H and D were observed, revealing the completely different dissociation behavior between H-2 + THF and D-2 + THF clathrate hydrates under varying temperatures.
Publisher
AMER CHEMICAL SOC
Issue Date
2007-02
Language
ENG
Citation

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.129, no.8, pp.2208 -

ISSN
0002-7863
DOI
10.1021/ja0674441
URI
http://hdl.handle.net/10203/5774
Appears in Collection
CBE-Journal Papers(저널논문)
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