期刊
DALTON TRANSACTIONS
卷 41, 期 33, 页码 9979-9983出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2dt30492a
关键词
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资金
- Japan Society for the Promotion of Science (JSPS)
- Core Research for Evolutional Science and Technology (CREST) program of the Japan Science and Technology Agency (JST)
- Global COE Program (Chemistry Innovation through Cooperation of Science and Engineering)
- Development in a New Interdisciplinary Field Based on Nanotechnology and Materials Science Programs
- Ministry of Education, Culture, Science, Sports, and Technology of Japan
- Grants-in-Aid for Scientific Research [22310058, 24108709] Funding Source: KAKEN
The structural and dynamical aspects of alkylammonium salts of a silicodecatungstate [(CH3)(4)N](4)[gamma-SiW10O34(H2O)(2)] [C1], [(n-C3H7)(4)N](4)[gamma-SiW10O34(H2O)(2)] [C3], [(n-C4H9)(4)N](4)-[gamma-SiW10O34(H2O)(2)] [C4], and [(n-C5H11)(4)N](4)[gamma-SiW10O34(H2O)(2)] [C5] were investigated. The results of sorption isotherms, XRD analyses, and solid-state NMR spectroscopy show that facile sorption of solvent molecules, flexibility of structures, and high mobility of alkylammonium cations are crucial to the uniform distribution of reactant and oxidant molecules throughout the bulk solid, which are related to the high catalytic activities for epoxidation of alkenes.
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