DOI: 10.1063/1.456346. Resonant photodissociation of CoAr+ and CoKr+: Analysis of vibrational structure

Resonant photodissociation of CoAr+ and CoKr+: Analysis of vibrational structure

10.1063/1.456346

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

The transition-metal rare-gas diatomic ions, CoAr+ and CoKr+, generated and cooled in a supersonic expansion, are studied by visible resonant photodissociation for the first time. Photofragmentation excitation spectra exhibit sharp vibronic features which are members of several excited electronic state vibrational progressions in each molecular ion. Analysis of over 200 vibronic transitions in these spectra reveals details of the potential-energy surfaces characterizing the bonding in these excited states. The adiabatic ground-state dissociation energies of CoAr+ and CoKr+, determined as 4100 cm−1 and 5400 cm−1, respectively, are ca. 37% larger than the diabatic dissociation energy of an excited state which dissociates into 3d8 3P2 Co+1S Ar(Kr) excited atoms and 95% larger than a state dissociating into 3d74s 3F2Co+1S Ar(Kr) atoms. Vibrational frequencies, anharmonicities, electronic origins, and dissociation limits of three electronic states in each molecule have been determined. A simple electrostatic binding model for these transition-metal rare-gas species is discussed.

Bibliography

Lessen, D., & Brucat, P. J. (1989). Resonant photodissociation of CoAr+ and CoKr+: Analysis of vibrational structure. The Journal of Chemical Physics, 90(11), 6296â6305.

Authors 2

Dan Lessen (first)
P. J. Brucat (additional)

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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:10 a.m.)
Deposited	1 year, 6 months ago (Feb. 10, 2024, 4:35 a.m.)
Indexed	1 year, 2 months ago (June 12, 2024, 11:54 a.m.)
Issued	36 years, 3 months ago (June 1, 1989)
Published	36 years, 3 months ago (June 1, 1989)
Published Print	36 years, 3 months ago (June 1, 1989)

Funders 0

None

BibTeX

@article{Lessen_1989, title={Resonant photodissociation of CoAr+ and CoKr+: Analysis of vibrational structure}, volume={90}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.456346}, DOI={10.1063/1.456346}, number={11}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Lessen, Dan and Brucat, P. J.}, year={1989}, month=jun, pages={6296–6305} }

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