초록 |
Clathrates are crystalline inclusion compounds formed by a physically stable reaction between host and guest molecules. Gas hydrate and hydroquinone (HQ) clathrate are one of the most studied and well-defined clathrate compounds. In this study, guest-free, CO2-loaded, CH4-loaded and CO2/CH4-loaded HQ clathrates were synthesized by gas-phase reaction and recrystallization. In addition, pure CO2 and CH4 hydrates were prepared using a high-pressure reactor. The structural transformation and guest dynamics of the HQ clathrates and the gas hydrates were observed by temperature-dependent Raman spectroscopy. These results provide useful information on the structural integrity and the guest-host interaction of clathrate compounds. |