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Statics and dynamics of ethane molecules in AlPO4-5: a molecular dynamics simulation study

Demontis, Pierfranco and Gulín-González, Jorge and Suffritti, Giuseppe Baldovino and Tilocca, Antonio (2001) Statics and dynamics of ethane molecules in AlPO4-5: a molecular dynamics simulation study. Journal of the American Chemical Society, Vol. 123 (21), p. 5069-5074. eISSN 1520-5126. Article.

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DOI: 10.1021/ja003940s

Abstract

From an experimental perspective, there has been disagreement among researchers on whether ethane would display single-file or normal diffusive behavior in the channels of AlPO4-5. Pulsed field gradient nuclear magnetic resonance measurements implied single-file diffusion, while quasielastic neutron scattering showed normal diffusion. In this paper we present the results of extensive classical molecular dynamics simulations of the diffusion of ethane molecules adsorbed in AlPO4-5. Our aim is to provide microscopic details of the static and dynamic properties of the adsorbed molecules in order to verify whether the conditions for the single-file regime can be achieved in a nondefective AlPO4-5 crystal structure.

Item Type:Article
ID Code:458
Status:Published
Refereed:Yes
Uncontrolled Keywords:AlPO4-5, aluminumphosphate, molecular dynamics simulation, ethane molecules
Subjects:Area 03 - Scienze chimiche > CHIM/02 Chimica fisica
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:American Chemical Society
eISSN:1520-5126
Deposited On:18 Aug 2009 10:02

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