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Pair-potential model for simulation of collisional energy transfer: quantum effects and hardness dependence
2001 (engelsk)Inngår i: Physical Chemistry, Chemical Physics - PCCP, ISSN 1463-9076, E-ISSN 1463-9084, Vol. 3, nr 12, s. 2216-2222Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A study of the sensitivity of energy transfer efficiency in molecular collisions is reported with special focus on the hardness of repulsion in atomÈatom contact. An improved pair potential is proposed with independent parameters for atomic size, attraction and hardness determined speciÐcally for a chosen atom pair by supermolecular quantum chemistry or equivalent experimental interaction data. Colinear and full 3D collisions of atomÈdiatomic molecule collisions are simulated using classical or quantum (in the colinear case) mechanics to illustrate : (i) remarkable agreement between classical and quantum dynamics for VÈT energy transfer ; (ii) greater sensitivity to hardness than to attraction and (iii) suitability of MP2 energies in symmetry constrained axial directions as a data set for the determination of pair-potential parameters.

sted, utgiver, år, opplag, sider
2001. Vol. 3, nr 12, s. 2216-2222
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Identifikatorer
URN: urn:nbn:se:du-23353DOI: 10.1039/B008551KOAI: oai:DiVA.org:du-23353DiVA, id: diva2:1046360
Tilgjengelig fra: 2016-11-14 Laget: 2016-11-14 Sist oppdatert: 2017-11-29bibliografisk kontrollert
Inngår i avhandling
1. Dynamical theory of collisional energy transfer between reactant and medium molecules
Åpne denne publikasjonen i ny fane eller vindu >>Dynamical theory of collisional energy transfer between reactant and medium molecules
2001 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Göteborg: Göteborgs universitet, 2001
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urn:nbn:se:du-23355 (URN)91-974011-0-2 (ISBN)
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(engelsk)
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Tilgjengelig fra: 2016-11-14 Laget: 2016-11-14 Sist oppdatert: 2016-11-14bibliografisk kontrollert

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