Stable Low-Pressure Hydrogen Clusters Stored in a Binary Clathrate Hydrate
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- 15 October 2004
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 306 (5695) , 469-471
- https://doi.org/10.1126/science.1102076
Abstract
Thermodynamic, x-ray diffraction, and Raman and nuclear magnetic resonance spectroscopy measurements show that clusters of H2 can be stabilized and stored at low pressures in a sII binary clathrate hydrate. Clusters of H2 molecules occupy small water cages, whereas large water cages are singly occupied by tetrahydrofuran. The presence of this second guest component stabilizes the clathrate at pressures of 5 megapascals at 279.6 kelvin, versus 300 megapascals at 280 kelvin for pure H2 hydrate.Keywords
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