Thermal expansivity of gamma-irradiated clathrate hydrate with intracavity conformational change

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The lattice expansion and thermal behavior of gamma-irradiated unstable clathrate hydrates are explored to understand the complex physicochemical properties of clathrate hydrates. A previous study revealed that enclathrated methyl vinyl ketone molecules show a peculiar conformational change via a ketyl radical anion after c-irradiation with an annealing process. We measured the lattice parameters of gamma-irradiated binary methyl vinyl ketone + CH4, O-2, and N-2 hydrates at various temperatures. We observed that induced radical affects the lattice expansion behavior, and the thermal expansion coefficients of gamma-irradiated hydrates highly depend on the types of secondary gaseous guest molecules. (C) 2018 Elsevier B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE BV
Issue Date
2018-08
Language
English
Article Type
Article
Citation

CHEMICAL PHYSICS LETTERS, v.706, pp.14 - 18

ISSN
0009-2614
DOI
10.1016/j.cplett.2018.05.060
URI
http://hdl.handle.net/10203/245175
Appears in Collection
CBE-Journal Papers(저널논문)
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