We follow a suggestion by Lipoff and Herschbach [Mol. Phys. 108, 1133 (2010) https://doi.org/10.1080/00268971003662912] and compare dressed and bare adiabatic potentials to get insight regarding the low-energy dynamics (e.g., cold reaction) taking place in molecular systems. In this particular case, we are interested to study the effect of conical intersections (ci) on the interacting atoms. For this purpose, we consider vibrational dressed adiabatic and vibrational dressed diabatic potentials in the entrance channel of reactive systems. According to our study, the most one should expect, in case of F + H2, is a mild effect of the (1, 2) ci on its reactive/exchange process−an outcome also supported by experiment. This happens although the corresponding dressed and bare potential barriers (and the corresponding van der Waals potential wells) differ significantly from each other.
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7 February 2012
Research Article|
February 02 2012
Dressed adiabatic and diabatic potentials to study conical intersections for F + H2
Anita Das;
Anita Das
1Department of Chemistry,
University of Calcutta
, Kolkata-700009, India
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Tapas Sahoo;
Tapas Sahoo
2Department of Physical Chemistry,
Indian Association for Cultivation of Science
, Jadavpur, Kolkata-700032, India
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Debasis Mukhopadhyay;
Debasis Mukhopadhyay
a)
1Department of Chemistry,
University of Calcutta
, Kolkata-700009, India
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Satrajit Adhikari;
Satrajit Adhikari
2Department of Physical Chemistry,
Indian Association for Cultivation of Science
, Jadavpur, Kolkata-700032, India
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Michael Baer
Michael Baer
b)
3The Fritz Haber Research Center for Molecular Dynamics
The Hebrew University of Jerusalem
, Jerusalem 91904, Israel
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a)
Author to whom correspondence should be addressed. Electronic mail: dm_chem_cu@yahoo.in.
b)
Electronic mail: michaelb@fh.huji.ac.il.
J. Chem. Phys. 136, 054104 (2012)
Article history
Received:
November 28 2011
Accepted:
January 06 2012
Citation
Anita Das, Tapas Sahoo, Debasis Mukhopadhyay, Satrajit Adhikari, Michael Baer; Dressed adiabatic and diabatic potentials to study conical intersections for F + H2. J. Chem. Phys. 7 February 2012; 136 (5): 054104. https://doi.org/10.1063/1.3679406
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