DOI: 10.1063/1.456003. Vibrational exchange upon interconversion tunneling in (HF)2 and (HCCH)2

Vibrational exchange upon interconversion tunneling in (HF)2 and (HCCH)2

10.1063/1.456003

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

Model calculations are presented to interpret the large H–F and C–H stretching vibrational dependencies of the interconversion tunneling splittings and the corresponding infrared vibrational-tunneling state selection rules in (HF)2 and (HCCH)2. The model consists of two potential curves in the tunneling coordinate, coupled by an interaction term that allows the vibrational excitation to be exchanged between the two monomer units, permitting tunneling to occur. The interaction term is approximated by resonant infrared transition–dipole coupling. The magnitudes of the calculated vibrational dependencies, their isotopic shifts, and the predicted selection rules are in agreement with previous experimental observations.

Bibliography

Fraser, G. T. (1989). Vibrational exchange upon interconversion tunneling in (HF)2 and (HCCH)2. The Journal of Chemical Physics, 90(4), 2097â2108.

Authors 1

G. T. Fraser (first)

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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:20 a.m.)
Deposited	1 year, 6 months ago (Feb. 10, 2024, 3:59 a.m.)
Indexed	3 months, 1 week ago (May 22, 2025, 3:48 a.m.)
Issued	36 years, 6 months ago (Feb. 15, 1989)
Published	36 years, 6 months ago (Feb. 15, 1989)
Published Print	36 years, 6 months ago (Feb. 15, 1989)

Funders 0

None

BibTeX

@article{Fraser_1989, title={Vibrational exchange upon interconversion tunneling in (HF)2 and (HCCH)2}, volume={90}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.456003}, DOI={10.1063/1.456003}, number={4}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Fraser, G. T.}, year={1989}, month=feb, pages={2097–2108} }

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