Perspective: Vibrational-induced steric effects in bimolecular reactions

The Journal of Chemical Physics
K Liu

Abstract

The concept of preferred collision geometry in a bimolecular reaction is at the heart of reaction dynamics. Exemplified by a series of crossed molecular beam studies on the reactions of a C-H stretch-excited CHD3(v1 = 1) with F, Cl, and O((3)P) atoms, two types of steric control of chemical reactivity will be highlighted. A passive control is governed in a reaction with strong anisotropic entry valley that can significantly steer the incoming trajectories. This disorientation effect is illustrated by the F and O((3)P) + CHD3(v1 = 1) reactions. In the former case, the long-range anisotropic interaction acts like an optical "negative" lens by deflecting the trajectories away from the favored transition-state geometry, and thus inhibiting the bond rupture of the stretch-excited CHD3. On the contrary, the interaction between O((3)P) and CHD3(v1 = 1) behaves as a "positive" lens by funneling the large impact-parameter collisions into the cone of acceptance, and thereby enhances the reactivity. As for reactions with relatively weak anisotropic interactions in the entry valley, an active control can be performed by exploiting the polarization property of the infrared excitation laser to polarize the reactants in space, as demonstrated...Continue Reading

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Citations

Jan 27, 2016·The Journal of Physical Chemistry. a·Thomas J PrestonAndrew J Orr-Ewing
Jan 14, 2016·The Journal of Physical Chemistry. a·Huilin PanKopin Liu
Nov 29, 2015·Journal of the American Chemical Society·Bin ZhaoHua Guo
Mar 10, 2016·The Journal of Chemical Physics·Bin Jiang, Hua Guo
Aug 14, 2015·The Journal of Physical Chemistry. a·Juliana Palma, Uwe Manthe
May 29, 2015·The Journal of Physical Chemistry. a·Fengyan WangKopin Liu
Aug 11, 2015·The Journal of Physical Chemistry. a·István Szabó, Gábor Czakó
Oct 10, 2015·The Journal of Chemical Physics·Na Liu, Minghui Yang
May 20, 2015·The Journal of Physical Chemistry. a·Hongwei Song, Hua Guo
May 10, 2016·The Journal of Chemical Physics·Ji QiHua Guo
Oct 27, 2016·Physical Chemistry Chemical Physics : PCCP·Dandan LuJun Li
Aug 28, 2015·Physical Chemistry Chemical Physics : PCCP·F J AoizV Walpole
Nov 24, 2017·Chemical Society Reviews·Huilin PanPiergiorgio Casavecchia
Jul 11, 2018·Physical Chemistry Chemical Physics : PCCP·Chung-Hsin YangKopin Liu
Sep 16, 2019·The Journal of Chemical Physics·Daniela Schäpers, Uwe Manthe
Oct 21, 2017·Science·William E PerreaultRichard N Zare
Apr 23, 2020·Physical Chemistry Chemical Physics : PCCP·Tim MichaelsenRoland Wester
Jul 1, 2016·Chemical Science·Hua Guo, Kopin Liu
Dec 14, 2018·Physical Chemistry Chemical Physics : PCCP·Dóra PappGábor Czakó
Jul 1, 2020·Physical Chemistry Chemical Physics : PCCP·Balázs Gruber, Gábor Czakó
Jun 10, 2017·The Journal of Chemical Physics·Juliana Palma, Uwe Manthe
Apr 8, 2017·The Journal of Chemical Physics·Ji QiMinghui Yang
Jun 24, 2019·The Journal of Chemical Physics·William E PerreaultRichard N Zare
Jul 1, 2020·Physical Review Letters·Charles R MarkusStephan Schlemmer
Aug 3, 2021·The Journal of Physical Chemistry. a·Huilin Pan, Kopin Liu
May 10, 2020·The Journal of Physical Chemistry Letters·Tim MichaelsenRoland Wester
Jul 8, 2020·The Journal of Physical Chemistry. a·Huilin PanKopin Liu
Sep 25, 2020·The Journal of Physical Chemistry Letters·Jun LiHua Guo
Sep 8, 2021·Physical Chemistry Chemical Physics : PCCP·Weiliang ShiAnyang Li

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