Laser spectroscopy of YBr: rotational analysis of the C1Σ–X1Σ system

Literature Information

Publication Date 2001-09-04
DOI 10.1039/B105895A
Impact Factor 3.676
Authors

J. W-H. Leung, Jinghua Dai, Xianghuai Wang, A. S-C. Cheung


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Abstract

The (0,0), (0,1), (0,2), (0,3), (1,2), (1,3), (1,4) and (2,4) bands of the C1Σ–X 1Σ transition of YBr, between 720 and 765 nm, have been studied using the technique of laser vaporization/reaction with supersonic cooling and laser induced fluorescence spectroscopy. Spectra of both Y79Br and Y81Br isotopic molecules were observed and analysed. A merged least-squares fit of the measured line positions yield molecular constants for the = 0–2 levels of the C 1Σ state and the = 0–4 of the X1Σ state. The equilibrium bond length of the C1Σ state has been determined to be 2.6087(2) Å.

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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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