Product vibrational distributions in polyatomic species based on quasiclassical trajectory calculations

Literature Information

Publication Date 2009-09-19
DOI 10.1039/B912948K
Impact Factor 3.676
Authors

Jose C. Corchado, Joaquin Espinosa-Garcia


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Abstract

By including anharmonicity and Coriolis coupling terms, we have improved our earlier quasi-classical method for vibrational mode analysis in polyatomic species, which was based on a harmonic approach. Because accurate methods have been developed only for diatomic and triatomic systems, the new algorithm was tested against accurate methods for diatomic molecules, and against the semiclassical fast Fourier transform (FFT) method for triatomic species, finding excellent agreement. The new algorithm is designed to be used with dynamics studies based on quasi-classical trajectory (QCT) calculations, and it is general for any polyatomic species.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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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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