Publication: ONIOM-XS: An extension of the ONIOM method for molecular simulation in condensed phase
Issued Date
2002-04-02
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ISSN
00092614
Other identifier(s)
2-s2.0-0009662619
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Mahidol University
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SCOPUS
Bibliographic Citation
Chemical Physics Letters. Vol.355, No.3-4 (2002), 257-262
Suggested Citation
Teerakiat Kerdcharoen, Keiji Morokuma ONIOM-XS: An extension of the ONIOM method for molecular simulation in condensed phase. Chemical Physics Letters. Vol.355, No.3-4 (2002), 257-262. doi:10.1016/S0009-2614(02)00210-5 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/20132
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Title
ONIOM-XS: An extension of the ONIOM method for molecular simulation in condensed phase
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Abstract
A new technique based on ONIOM method was implemented for simulation of liquids and solutions, in which exchange of solvents (XS) between subsystems (i.e. between QM and MM parts) is allowed. In this method, a switching layer sandwiched between 'high-level' and 'low-level' subsystems was introduced to help morphing of exchanging particle from one region to another. Test on ionic solution by molecular dynamics method shows that particle exchanges across the boundary negligibly disturb the equilibrium conditions. A rigorous treatment of the energy expression by this method also opens new opportunities for such as Monte Carlo and free energy simulations. © 2002 Published by Elsevier Science B.V.