期刊
CHEMICAL PHYSICS LETTERS
卷 501, 期 4-6, 页码 554-561出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2010.11.015
关键词
-
资金
- National Science Foundation of China [20733002, 20873105]
- Ministry of Science and Technology [2011CB808504]
The potential energy surfaces (PESs) and the detailed mechanisms of the reaction of platinum cation with ethane have been investigated by the UB3LYP method. Calculations show that the overall reactions are exothermic by 34.0 and 38.9 kcal/mol for 1,1- and 1,2-elimination of single dihydrogen, respectively, and 3.3 kcal/mol for twofold dihydrogen elimination. Predicted substantial differences in exothermicity and barriers for the rate-determining steps between single and twofold dehydrogenations could justify the conclusions from FTICR-MS experimental studies on the dehydrogenation of C2H6 by Pt+. (C) 2010 Elsevier B.V. All rights reserved.
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