DOI: 10.1063/1.441035. Vibrational relaxation in jet-cooled phenylalkynes

Vibrational relaxation in jet-cooled phenylalkynes

10.1063/1.441035

Crossref journal-article

AIP Publishing

The Journal of Chemical Physics (317)

Abstract

Absorption and dispersed fluorescence spectra are reported for a variety of 1-phenylalkynes cooled in a supersonic free jet. The 1B2(ππ)←1A1 spectra of these compounds is characterized by a near perfect cancellation of transition strength sources for the totally symmetric vibronic bands including the origin. Two skeletal distortion modes are found to dominate the spectra, inducing strong transitions by vibronic coupling to a higher state of 1A1 symmetry. These two modes are rotated in the 1B2 state relative to their configuration in the ground state. The nature of these modes is found to be largely unaffected by changes in the length of the alkyl chain, but vibrational relaxation into the chain still appears to proceed on a subnanosecond time scale.

Bibliography

Powers, D. E., Hopkins, J. B., & Smalley, R. E. (1981). Vibrational relaxation in jet-cooled phenylalkynes. The Journal of Chemical Physics, 74(11), 5971â5976.

Authors 3

D. E. Powers (first)
J. B. Hopkins (additional)
R. E. Smalley (additional)

References 15 Referenced 47

10.1063/1.439828 / J. Chem. Phys. (1980)
10.1063/1.439793 / J. Chem. Phys. (1980)
10.1063/1.439794 / J. Chem. Phys. (1980)
10.1063/1.440176 / J. Chem. Phys. (1980)
10.1063/1.440788 / J. Chem. Phys. (1981)
10.1063/1.440009 / J. Chem. Phys. (1980)
10.1063/1.438991 / J. Chem. Phys. (1980)
10.1016/0022-2852(70)90222-5 / J. Mol. Spectrosc. (1970)
10.1016/0022-2852(71)90183-4 / J. Mol. Spectrosc. (1971)
10.1016/0022-2852(71)90182-2 / J. Mol. Spectrosc. (1971)
10.1016/0301-0104(77)89003-4 / Chem. Phys. (1977)
10.1063/1.440421 / J. Chem. Phys. (1980)
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{'key': '2024020920370884400_r10', 'first-page': '551', 'volume': '1', 'year': '1937', 'journal-title': 'Acta Physicochim. URSS'} / Acta Physicochim. URSS (1937)
10.1063/1.1675343 / J. Chem. Phys. (1971)

Dates

Type	When
Created	22 years, 6 months ago (Feb. 28, 2003, 10:46 a.m.)
Deposited	1 year, 6 months ago (Feb. 9, 2024, 5:36 p.m.)
Indexed	1 year, 6 months ago (Feb. 10, 2024, 3:05 p.m.)
Issued	44 years, 2 months ago (June 1, 1981)
Published	44 years, 2 months ago (June 1, 1981)
Published Print	44 years, 2 months ago (June 1, 1981)

Funders 0

None

BibTeX

@article{Powers_1981, title={Vibrational relaxation in jet-cooled phenylalkynes}, volume={74}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.441035}, DOI={10.1063/1.441035}, number={11}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Powers, D. E. and Hopkins, J. B. and Smalley, R. E.}, year={1981}, month=jun, pages={5971–5976} }

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