期刊
CHEMICAL PHYSICS LETTERS
卷 392, 期 1-3, 页码 236-241出版社
ELSEVIER
DOI: 10.1016/j.cplett.2004.05.066
关键词
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The potential energy surface for the C6H5NO2, + Cl reaction was explored at the DFT (B3LYP) and MP2 levels of theory, using different basis sets. The large spin contaminations inherent to the MP2 calculations suggest that the DFT results should be preferred. Further coupled-cluster calculations should help to confirm that preference. Energies were estimated at the QCISD(T)HB3LYP level. The DFT(B3LYP) energy profile is consistent with the experimental observation that the rate constant does not exhibit any pressure dependence. The reaction proceeds via a displacement mechanism. (C) 2004 Elsevier B.V. All rights reserved.
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