An approximate full-dimensional quantum dynamics study of the mode specificity in the dissociative chemisorption of D2O on rigid Cu(111)

Literature Information

Publication Date 2017-04-11
DOI 10.1039/C7CP01770G
Impact Factor 3.676
Authors

Tianhui Liu, Bina Fu, Dong H. Zhang


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Abstract

The mode specificity of the dissociative chemisorption of D2O on a rigid Cu(111) surface was investigated by calculating the approximate full-dimensional (9D) dissociation probabilities with the implementation of the seven-dimensional (7D) quantum dynamics calculations and site averaging approximations. The approximate 9D dissociation probabilities for D2O initially in various vibrational states were obtained by averaging the site-specific 7D results over 9 impact sites on an accurate 9D potential energy surface (PES). Strong mode specificity was observed for the title reaction, where vibrational excitations of the two stretching modes of D2O are more efficacious than increasing the translational energy in promoting the reaction, while the bending excitations with one and two quanta are less efficacious than the same amount of translational energy in enhancing the reactivity at low kinetic energies.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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