DOI: 10.1063/1.1428753. Rotationally resolved spectroscopy of Pt2

Rotationally resolved spectroscopy of Pt2

10.1063/1.1428753

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

High-resolution laser-induced fluorescence spectroscopy has been used to investigate the 18 163 cm−1 band of Pt2 in a supersonically cooled molecular beam. Rotational constants of the ground and excited states were extracted from the rotationally resolved spectrum and determined to be B0″=0.031 754(12) cm−1 and B0′=0.028 672(11) cm−1, respectively. These values correspond to ground- and excited-state bond lengths of r0″=2.33297(44) Å and r0′=2.455 16(47) Å, respectively. Nuclear spin statistics that are observed in the spectrum demonstrate that the ground state is of either 0g+ or 0u− symmetry. Of these, 0g+ is by far the more probable. Comparisons with Au2 are made, suggesting that it may be appropriate to consider Pt2 as having a double bond.

Bibliography

Airola, M. B., & Morse, M. D. (2002). Rotationally resolved spectroscopy of Pt2. The Journal of Chemical Physics, 116(4), 1313â1317.

Authors 2

Marc B. Airola (first)
Michael D. Morse (additional)

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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:24 a.m.)
Deposited	1 year, 6 months ago (Feb. 11, 2024, 12:11 a.m.)
Indexed	1 month, 3 weeks ago (July 2, 2025, 1:51 p.m.)
Issued	23 years, 7 months ago (Jan. 22, 2002)
Published	23 years, 7 months ago (Jan. 22, 2002)
Published Print	23 years, 7 months ago (Jan. 22, 2002)

Funders 0

None

BibTeX

@article{Airola_2002, title={Rotationally resolved spectroscopy of Pt2}, volume={116}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.1428753}, DOI={10.1063/1.1428753}, number={4}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Airola, Marc B. and Morse, Michael D.}, year={2002}, month=jan, pages={1313–1317} }

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  "abstract": "<jats:p>High-resolution laser-induced fluorescence spectroscopy has been used to investigate the 18\u200a163 cm\u22121 band of Pt2 in a supersonically cooled molecular beam. Rotational constants of the ground and excited states were extracted from the rotationally resolved spectrum and determined to be B0\u2033=0.031\u200a754(12)\u200acm\u22121 and B0\u2032=0.028\u200a672(11)\u200acm\u22121, respectively. These values correspond to ground- and excited-state bond lengths of r0\u2033=2.33297(44)\u200a\u00c5 and r0\u2032=2.455\u200a16(47)\u200a\u00c5, respectively. Nuclear spin statistics that are observed in the spectrum demonstrate that the ground state is of either 0g+ or 0u\u2212 symmetry. Of these, 0g+ is by far the more probable. Comparisons with Au2 are made, suggesting that it may be appropriate to consider Pt2 as having a double bond.</jats:p>",
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