Accurate abinitio prediction of the rovibrational energy levels and equilibrium geometry of carbonyl selenide (OCSe)

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发布日期
DOI 10.1039/A904547C
影响因子 3.676
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摘要

The geometry and the anharmonic force field of carbonyl selenide (OCSe) have been investigated using multi reference configuration interaction theory. The computed potential energy surface and geometry have been refined by a least squares adjustment of the theoretical spectroscopic parameters to reproduce all available spectroscopic frequencies and constants. The Fermi interaction between the 2ν2 and ν3 bands has been investigated in detail using perturbative and variational methods.

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来源期刊

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
自引率: 10.3%
年发文量: 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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