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. Author manuscript; available in PMC: 2010 Nov 5.
Published in final edited form as: J Phys Chem B. 2009 Nov 5;113(44):14545–14548. doi: 10.1021/jp907808t

Figure 1.

Figure 1

Driving force dependence of the nonadiabatic rate constant for the PCET (black), PT (red), and ET (blue) models. In the PCET model, λ = 20 kcal/mol, ω = 3000 cm−1, and δx = 0.5 Å. In the PT model, λ = 5 kcal/mol, ω = 3000 cm−1, and δx = 0.5 Å. In the ET model, λ = 20 kcal/mol, ω = 400 cm−1, and δx = 0.1 Å. The reduced mass of the vibrational mode is 1 amu for PCET and PT and 10 amu for ET. The proton transfer is assumed to be electronically nonadiabatic for all models. The temperature is 300 K, and kH0 is the rate constant for ΔG0 = 0.