期刊
CHEMICAL PHYSICS LETTERS
卷 419, 期 1-3, 页码 240-244出版社
ELSEVIER
DOI: 10.1016/j.cplett.2005.11.096
关键词
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The solvation free energies for acetic acids in the anti/syn conformations in water solution have been computed by the novel QM/MM approach combined with the theory of energy representation (QM/MM-ER). To examine the accuracy of the methodology, we have compared the results with those given by experiments and other theoretical calculations. The solvation free energies computed by the QM/MM-ER approach are in reasonable agreement with corresponding experimental values. The free energy difference between the anti and syn conformers also agrees well with the results of AM1/TIP3P or RISM-SCF calculations. (c) 2005 Elsevier B.V. All rights reserved.
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