Journal
CATALYSIS TODAY
Volume 117, Issue 1-3, Pages 133-137Publisher
ELSEVIER
DOI: 10.1016/j.cattod.2006.05.048
Keywords
methane oxidation; transition metal oxide; C-H bond activation; H abstraction
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We present a systematic survey of C-H activation over various transition metal oxides using cluster model calculations. We find that H abstraction pathway is feasible on most oxides. Our calculations suggest that when the M = O bond possesses a high polarity such as those in tungsten oxides, (2 + 2) becomes an alternative pathway. Trends and intrinsic factors that influence the activation modes are discussed. (C) 2006 Published by Elsevier B.V.
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