2006
DOI: 10.1590/s0100-40422006000300023
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Modelos contínuos do solvente: fundamentos

Abstract: Recebido em 25/2/05; aceito em 1/7/05; publicado na web em 8/2/06 CONTINUUM SOLVATION MODELS: FUNDAMENTALS. Continuum solvation models are nowadays widely used in the modeling of solvent effects and the range of applications goes from the calculation of partition coefficients to chemical reactions in solution. The present work presents a detailed explanation of the physical foundations of continuum models. We discuss the polarization of a dielectric and its representation through the volume and surface polariz… Show more

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Cited by 13 publications
(12 citation statements)
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References 56 publications
(78 reference statements)
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“…[65] Moreover, their description of important electronic effects is not generally adequate, particularly if there are explicit solute-solvent interactions such as complex formation and hydrogen bonding. Although this problem can be overcome by including a small number of explicit solvent molecules in the ab initio calculation, as in a cluster-continuum model, [67] this adds significantly to the cost of the calculation. Such explicit solute-solvent interactions might be expected to be particularly important when studying aqueous-phase polymerizations and monomers capable of undergoing strong hydrogen-bonding interactions (such as acrylic acid).…”
Section: Solvent Effectsmentioning
confidence: 99%
“…[65] Moreover, their description of important electronic effects is not generally adequate, particularly if there are explicit solute-solvent interactions such as complex formation and hydrogen bonding. Although this problem can be overcome by including a small number of explicit solvent molecules in the ab initio calculation, as in a cluster-continuum model, [67] this adds significantly to the cost of the calculation. Such explicit solute-solvent interactions might be expected to be particularly important when studying aqueous-phase polymerizations and monomers capable of undergoing strong hydrogen-bonding interactions (such as acrylic acid).…”
Section: Solvent Effectsmentioning
confidence: 99%
“…The explicit treatment of water molecules together with the continuum solvent model has been demonstrated to improve the pKa predictions with thermodynamic cycles by including the real quantum hydrogen bond interactions and by breaking the artificial boundary delimited by the dielectric continuum and therefore reducing the influence of the solute-continuum electrostatic interaction [210][211][212][213][214][215][216][217][218]. Since the artificial interaction between the dielectric continuum and the solute also limits the performance of the aqueous isodesmic reaction, a similar behavior is expected when explicit water molecules are included.…”
Section: Influence Of Ph and Protonation States In Docking Studiesmentioning
confidence: 99%
“…O modelo contínuo é um tipo de aproximação que considera o solvente de maneira implícita, onde este é baseado numa descrição contínua do meio. 8 Já o modelo discreto trata o solvente explicitamente levando em consideração cada molécula que o compõe e as interações entre elas.…”
Section: Introductionunclassified