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HCl dissociating on a rigid Au(111) surface: A six-dimensional quantum mechanical study on a new potential energy surface based on the RPBE functional
Liu, Tianhui; Fu, Bina1; Zhang, Dong H.1
Source PublicationJOURNAL OF CHEMICAL PHYSICS
2017-04-28
DOI10.1063/1.4982051
Volume146Issue:16
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS Research AreaChemistry ; Physics
WOS KeywordGENERALIZED GRADIENT APPROXIMATION ; CHEMICALLY ACCURATE SIMULATION ; AUGMENTED-WAVE METHOD ; VIBRATIONAL-EXCITATION ; METAL-SURFACES ; DYNAMICS CALCULATIONS ; TRANSLATIONAL ENERGY ; REACTIVE SCATTERING ; H-2 DISSOCIATION ; MODE SPECIFICITY
AbstractThe dissociative chemisorption of HCl on the Au(111) surface has recently been an interesting and important subject, regarding the discrepancy between the theoretical dissociation probabilities and the experimental sticking probabilities. We here constructed an accurate full-dimensional (sixdimensional (6D)) potential energy surface (PES) based on the density functional theory (DFT) with the revised Perdew-Burke-Ernzerhof (RPBE) functional, and performed 6D quantum mechanical (QM) calculations for HCl dissociating on a rigid Au(111) surface. The effects of vibrational excitations, rotational orientations, and site-averaging approximation on the present RPBE PES are investigated. Due to the much higher barrier height obtained on the RPBE PES than on the PW91 PES, the agreement between the present theoretical and experimental results is greatly improved. In particular, at the very low kinetic energy, the QM-RPBE dissociation probability agrees well with the experimental data. However, the computed QM-RPBE reaction probabilities are still markedly different from the experimental values at most of the energy regions. In addition, the QM-RPBE results achieve good agreement with the recent ab initio molecular dynamics calculations based on the RPBE functional at high kinetic energies. Published by AIP Publishing.
Language英语
WOS IDWOS:000400625000026
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/151995
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Ctr Theoret & Computat Chem, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Liu, Tianhui,Fu, Bina,Zhang, Dong H.. HCl dissociating on a rigid Au(111) surface: A six-dimensional quantum mechanical study on a new potential energy surface based on the RPBE functional[J]. JOURNAL OF CHEMICAL PHYSICS,2017,146(16).
APA Liu, Tianhui,Fu, Bina,&Zhang, Dong H..(2017).HCl dissociating on a rigid Au(111) surface: A six-dimensional quantum mechanical study on a new potential energy surface based on the RPBE functional.JOURNAL OF CHEMICAL PHYSICS,146(16).
MLA Liu, Tianhui,et al."HCl dissociating on a rigid Au(111) surface: A six-dimensional quantum mechanical study on a new potential energy surface based on the RPBE functional".JOURNAL OF CHEMICAL PHYSICS 146.16(2017).
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