Issue |
MATEC Web Conf.
Volume 69, 2016
2016 5th International Conference on Chemical and Process Engineering (ICCPE 2016)
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Article Number | 03007 | |
Number of page(s) | 5 | |
Section | Physical Chemistry | |
DOI | https://doi.org/10.1051/matecconf/20166903007 | |
Published online | 02 August 2016 |
Theoretical study of two states reactivity of NO activation on iron atom
School of Environmental Science and Engineering, Donghua University, Shanghai 201620, P.R. China
The mechanism of Fe+NO was calculated by the Density Functional Theory (DFT) with the B3LYP methods combined with the 6-311+G (d, p) basis set. The geometry of reactants, transition states, intermediates and products of two reaction systems were completely optimized, and all the transition states were verified by the vibration analysis and intrinsic reaction coordinate (IRC) calculations. The “Two State Reactivity (TSR)” was used to analyze the reaction mechanisms; Results showed that the reaction system preferentially involves low-spin state entrance channel and the high-spin state exit channel. In the reaction channel, the crossing point appears, which would effectively reduce the activation energy and increase the release of reaction heat, play a significant and beneficial role in the kinetic and thermodynamic aspects of this catalytic reaction.
© The Authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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