Modelling the vibrationally mediated photo-dissociation of acetylene

Literature Information

Publication Date 2017-10-16
DOI 10.1039/C7CP05684B
Impact Factor 3.676
Authors

Christopher Robertson, Graham A. Worth


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Abstract

A ten singlet state vibronic coupling Hamiltonian was constructed describing the seven internal coordinates of acetylene. A Σ+g symmetry-adapted polynomial expansion of the nuclear coordinates over diabatic elements was used to fit adiabatic energies obtained from ab initio calculations. The fitted vibronic Hamiltonian was subsequently used to model vibrationally mediated photo-dissociation (VMD) experiments. The model suggests that some control over dissociation channels might be achieved by choosing different ranges of pre-excitation and UV-excitation 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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