Structural interpretation of non-exponential hydrogen transfer in glassy methanol期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Structural interpretation of non-exponential hydrogen transfer in glassy methanol

Institution:	1. School of Mechanical & Manufacturing Engineering (SMME), National University of Sciences & Technology (NUST), Islamabad, Pakistan;2. Texas A&M University at Qatar, P.O. Box 23874, Doha, Qatar;1. School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology, 50 UNIST-gil, Eonyang-eup, Ulju-gun, Ulsan 44919, Republic of Korea;2. Department of Chemical and Environmental Engineering, Yale University, New Haven, CT 06511, USA;3. Department of Energy Engineering, Ulsan National Institute of Science and Technology, 50 UNIST-gil, Eonyang-eup, Ulju-gun, Ulsan 44919, Republic of Korea

Abstract:	The non-exponential time dependence of hydrogen abstraction by methyl radicals in a methanol glass is reinvestigated and explained as due to a narrow random distribution of hydrogen tunnelling distances. Possible implications for other non-exponential relaxation processes in non-crystalline materials are briefly discussed.

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