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. Author manuscript; available in PMC: 2014 Feb 27.
Published in final edited form as: J Am Chem Soc. 2013 Feb 14;135(8):3286–3299. doi: 10.1021/ja400183g

Table 3.

Kinetic parameters of HS [(TMC)FeIII–OOH]2+ and LS [(N4Py)FeIII–OOH]2+ reactions with xanthene.

kcal/mol [(TMC)FeIII–OOH]2+ [(N4Py)FeIII–OOH]2+
Ea 11.7(3) 14.4(2)
ΔH‡ 11.2(3) 13.9(3)
ΔS‡ (cal/mol·K) −21.5(2) −15.8(2)
ΔG‡ 16.7(2) (253 K), 17.4(3) (288 K) 18.4(3) (288 K)
KH2O/KD2O (H2O vs D2O) 1.2(2) 1.3(2)
KH/KD (xanthene vs d2-xanthene) 5.0(2) 3.0(2)