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- Conflict of Interest
- In relation to this article, we declare that there is no conflict of interest.
- Publication history
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Received October 10, 2024
Revised December 14, 2024
Accepted January 1, 2025
Available online October 25, 2025
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Structural Characterization of (Epoxycyclopentane + Methane) and (Epoxycyclopentane + Hydrogen) Clathrate Hydrates
https://doi.org/10.1007/s11814-025-00379-3
Abstract
This paper determined experimentally the crystal structures of (epoxycyclopentane + methane) and (epoxycyclopentane
+ hydrogen) clathrate hydrates. Using Rietveld analysis with direct space method, the crystal structure of these clathrate
hydrate systems was identifi ed as the cubic structure II (sII) clathrate hydrate, meaning the Fd-3m space group. With the
inclusion of methane or hydrogen in the small cage of sII hydrate, there was no signifi cant change in the lattice parameters.
The microstructural analysis showed that all guest molecules were located at the center of sII hydrate cages. The structural
characterization of (epoxycyclopentane + methane) and (epoxycyclopentane + hydrogen) clathrate hydrates contributed the
understanding of unique nature of host–guest inclusion compounds and gave useful insights to develop the effi cient CH 4 or
H 2 gas storage technologies using clathrate hydrates.
