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用原子尺度分辨率探测从水友性溶解到水性溶解的过渡

Van-Thai Pham1, Thomas J Penfold, Renske M van der Veen

  • 1Ecole Polytechnique Fédérale de Lausanne, Laboratoire de Spectroscopie Ultrarapide, ISIC-FSB, Station 6, CH-1015 Lausanne, Switzerland.

Journal of the American Chemical Society
|July 12, 2011
PubMed
概括

从水性化物中抽取电子,形成了一个扩大的水腔和一个短暂的水复合体. 通过X射线光谱学观察到的这种复合物,由于溶剂重组,在几秒钟内形成和解离.

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Entropy and Solvation02:05

Entropy and Solvation

The process of surrounding a solute with solvent is called solvation. It involves evenly distributing the solute within the solvent. The rule of thumb for determining a solvent for a given compound is that like dissolves like. A good solvent has molecular characteristics similar to those of the compound to be dissolved. For example, polar solutions dissolve polar solutes, and apolar solvents dissolve apolar solutes. A polar solvent is a solvent that has a high dielectric constant (ϵ ≥ 15); an...