Additions and Corrections
J. Phys. Chem. B, Vol. 110, No. 37, 2006 18729
ADDITIONS AND CORRECTIONS 2006, Volume 110B Teresa L. Jentzsch and R. Lee Penn*: Influence of Aluminum Doping on Ferrihydrite Nanoparticle Reactivity In the above paper (J. Phys. Chem. B 2006, 110, 11746), a negative sign was erroneously included in the spreadsheet formula used to calculate the activation entropy, which was shown in Figure 5b. This error subsequently affected Figure 5a; corrections to both figures are shown. This correction affects the interpretation of the activation entropy data: the transition state is likely the same for each sample and is entropically less favorable than the ground-state entropies of the reactants, which increase with aluminum content. This results in larger negative activation entropies with increasing aluminum substitution. The overall conclusion remains valid, as the activation free energy is dominated by the enthalpy term at room temperature, resulting in an increase in reactivity with aluminum substitution.
Figure 5.
10.1021/jp064802d Published on Web 08/25/2006
