Quantum scattering and quasi-classical trajectory calculations for the H2+OH⇌H2O+H reaction on a new potential surface

Literature Information

Publication Date 2000-02-07
DOI 10.1039/A908080E
Impact Factor 3.676
Authors

Julian Echave


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Abstract

Six-dimensional (6D) quantum scattering calculations of reaction probabilities are reported for theOH+H2⇌H2O+H reaction. An arrangement channel hyperspherical coordinate method is used. A new potential energy surface due to Ochoa and Clary is employed. The results agree well with those calculated using the rotating bond approximation (RBA) and the quasi-classical trajectory (QCT) method. 6D quantum, RBA and QCT calculations of rate constants for the OH+H2 reaction agree well with experiment. In addition, RBA calculations of differential cross sections for the OH+D2→HOD+D reaction and the photodetachment spectrum for H3O− also agree well with experiment. These results suggest that the new potential surface is reliable for this reason.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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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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