DOI: 10.1126/science.146.3647.1045. Vibrational Excitation in Some Four-Center Transition States

Vibrational Excitation in Some Four-Center Transition States

10.1126/science.146.3647.1045

Crossref journal-article

American Association for the Advancement of Science (AAAS)

Science (221)

Abstract

The rates of substitution of deuterium for hydrogen in homogeneous gas phase reactions between D 2 and HX (X = H, Cl, NH 2 , or HS) were measured at high temperatures by single-pulse shock tube techniques. The magnitudes observed and their dependency on concentration indicate that the rates of exchange are much faster than would be attainable were the deuterium to dissociate and the D atoms to react with HX by atomic displacement to produce H + DX. Also, these rates were not limited by methathesis through four-center transition states generated by sufficiently energetic collisions between the principal reactants. The results are compatible with the assumption that the rates are controlled by the populations of D 2 in about its 6th vibrational energy level.

Bibliography

Bauer, S. H., & Resler, E. L. (1964). Vibrational Excitation in Some Four-Center Transition States. Science, 146(3647), 1045â1048.

Authors 2

S. H. Bauer (first)
E. L. Resler (additional)

References 21 Referenced 21

10.1039/TF9646000857
10.1126/science.141.3584.867
10.1063/1.1742610
Boys S. F. University of Wisconsin Naval Research Laboratory Technical Report WIS-AF-13 (1959).
10.1039/jr9360000026
FARKAS, A, PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON. SERIES A 152: 124 (1935). / PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON. SERIES A (1935)
Gaydon, A. G., Eighth Symposium (International) on Combustion: 309 (1962). / Eighth Symposium (International) on Combustion (1962)
Hinshelwood, C. N., Kinetics of Chemical Change: 26 (1940). / Kinetics of Chemical Change (1940)
10.1021/j100797a030
Lifshitz A. in preparation.
10.1063/1.1733933
10.1063/1.1734182
OSSA E IN PREPARATION.
10.1063/1.1732750
SADOWSKI C.M. IN PREPARATION.
10.1063/1.1730599
10.1063/1.1732403
TSANG W IN PREPARATION.
10.1063/1.1725279
10.1063/1.1725353
10.1063/1.1732453

Dates

Type	When
Created	18 years, 10 months ago (Oct. 5, 2006, 5:47 a.m.)
Deposited	1 year, 7 months ago (Jan. 10, 2024, 10:30 p.m.)
Indexed	1 year, 6 months ago (Feb. 10, 2024, 4:07 p.m.)
Issued	60 years, 9 months ago (Nov. 20, 1964)
Published	60 years, 9 months ago (Nov. 20, 1964)
Published Print	60 years, 9 months ago (Nov. 20, 1964)

Funders 0

None

BibTeX

@article{Bauer_1964, title={Vibrational Excitation in Some Four-Center Transition States}, volume={146}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.146.3647.1045}, DOI={10.1126/science.146.3647.1045}, number={3647}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Bauer, S. H. and Resler, E. L.}, year={1964}, month=nov, pages={1045–1048} }

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