Steric and Solvent Effects in Ionic Reactions

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Science  22 Mar 2002:
Vol. 295, Issue 5563, pp. 2222-2223
DOI: 10.1126/science.1069937

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Solvents and steric effects play important roles in chemical reactions, but separating and quantifying these effects has challenged chemists for more than a century. In his Perspective, Farrar highlights the report by Regan et al., who provide quantitative estimates of solvation and steric contributions to the free energy of activation in the organic S2 reaction.