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Solvent exchange reactions processes

An attempt is made to account quantitatively for the volumes of activation, AV, of ligand substitution processes. Causes of the pressure-dependence of AV include solvational change, for which a versatile analysis is developed. The pressure-independent AV values of solvent exchange reactions are good measures of the non-sol-vational components of AV for related net reactions. For water exchange, one can predict... [Pg.45]

An exciting development in this subject has been the application of the Frank-Wen model for ionic hydration to solvent exchange reactions (Caldin and Bennetto, 1973). In these reactions, a solvent molecule must pass from bulk solvent through the disordered layer of zone B, a process which resembles evaporation. Consequently activation enthalpies for these reactions are directly related to the solvation characteristics of the ion. [Pg.277]

Solvent exchange processes are the most fundamental substitution reactions that characterize the lability and reaction mechanism of a metal center within a coordination geometry. For these reactions the interpretation of the volume of activation becomes rather straightforward since these reactions do not involve major changes in solvation due to changes in dipole moments and electrostriction, which can in... [Pg.3]

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Solvent exchange reactions

Solvent-exchange

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