End-point calculation of solvation free energy of amino-acid analogs by molecular theories of solution

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Karino, Yasuhito and Fedorov, Maxim V. and Matubayasi, Nobuyuki (2010) End-point calculation of solvation free energy of amino-acid analogs by molecular theories of solution. Chemical Physics Letters, 496 (4-6). pp. 351-355. ISSN 0009-2614 (https://doi.org/10.1016/j.cplett.2010.07.054)

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Abstract

The computational efficiency is improved for the solvation free energy when the calculation is restricted to the initial and final states of the solute insertion process (pure solvent and solution systems of interest). We explore the possibility of such 'end-point' calculations and assess the performance of several approximate free-energy functionals against benchmarks for amino-acid analogs in water. The performance is the best and the second, respectively, for the method of energy representation and the RISM (reference interaction site model)/partial-wave expansion supplemented by semi-empirical corrections for the excluded-volume and hydrogen-bonding effects, while the chemical accuracy is not achieved for the others.

  • Item type:Article
    ID code:35677
    Dates:
    Date
    Event
    30 August 2010
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:08 Nov 2011 16:04
    Last modified:11 Nov 2024 10:00
    URI:https://strathprints.strath.ac.uk/id/eprint/35677
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