DOI: 10.1063/1.436650. A b i n i t i o effective core potentials including relativistic effects. II. Potential energy curves for Xe2, Xe+2, and Xe*2

A b i n i t i o effective core potentials including relativistic effects. II. Potential energy curves for Xe2, Xe+2, and Xe*2

10.1063/1.436650

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

Potential energy curves for the ground 1Σ+g state of Xe2, the first four states of the Xe+2 ions, and the eight Xe*2 excimer states corresponding to the addition of a 6sσg Rydberg electron to these ion cores have been computed using averaged relativistic effective core potentials (AREP) and the self-consistent field approximation for the valence electrons. The calculations were carried out using the LS-coupling scheme with the effects of spin–orbit coupling included in the resulting potential energy curves using an empirical procedure. A comparison of nonrelativistic and averaged relativistic EP’s and subsequent molecular calculations indicates that relativistic effects arising from the mass–velocity and Darwin terms are not important for these properties of Xe2 molecules. Spectroscopic constants for Xe+2 are in good agreement with all electron CI calculations suggesting that the computed values for Xe*2 excimers should be reliable. The lifetime for the Ou+ state of the Xe2* is computed to be 5.6 nsec which is in the range of the experimentally determined values.

Bibliography

Ermler, W. C., Lee, Y. S., Pitzer, K. S., & Winter, N. W. (1978). A bâi n i t i o effective core potentials including relativistic effects. II. Potential energy curves for Xe2, Xe+2, and Xe*2. The Journal of Chemical Physics, 69(3), 976â983.

Authors 4

Walter C. Ermler (first)
Yoon S. Lee (additional)
Kenneth S. Pitzer (additional)
Nicholas W. Winter (additional)

References 45 Referenced 141

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Dates

Type	When
Created	22 years, 6 months ago (Feb. 27, 2003, 4:26 p.m.)
Deposited	1 year, 6 months ago (Feb. 9, 2024, 1:51 p.m.)
Indexed	3 months, 2 weeks ago (May 19, 2025, 4:46 a.m.)
Issued	47 years, 1 month ago (Aug. 1, 1978)
Published	47 years, 1 month ago (Aug. 1, 1978)
Published Print	47 years, 1 month ago (Aug. 1, 1978)

Funders 0

None

BibTeX

@article{Ermler_1978, title={A b i n i t i o effective core potentials including relativistic effects. II. Potential energy curves for Xe2, Xe+2, and Xe*2}, volume={69}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.436650}, DOI={10.1063/1.436650}, number={3}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Ermler, Walter C. and Lee, Yoon S. and Pitzer, Kenneth S. and Winter, Nicholas W.}, year={1978}, month=aug, pages={976–983} }

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