Oxidation Efficiencies of High Spin Fe(II)-Azo Amino Acid Complexes by Potassium

Oxidation Efficiencies of High Spin Fe(II)-azo Amino Acid Complexes by Potassium Peroxydisulfate. Initial State-Transition State Solvation Effects

Mohamed Shaker S. Adam1,2*, UsamaEl-Ayaan1,3 and Ahmad DesokyM. Mohamad2,4

1Department of Chemistry, College of Science, King Faisal University, P.O. Box 380 Al Hufuf 31982 Al Hassa, Saudi Arabia.

2Department of Chemistry, Faculty of Science, Sohag University, Sohag-82534, Egypt.

3Department of Chemistry, Faculty of Science, Mansoura University, Mansoura 35516, Egypt.

4Department of Chemistry, Faculty of Science, Northern Boarders University, Arar, Saudi Arabia.

*Author for correspondence e-mail: .

Supplementary materials

Fig. S1 Molecular electronic spectra of complex 4 in an aqueous media and its corresponding ligand [6] in a methanolic media at [complex] and [ligand] = 1 × 10⎯4mol·dm–3 and 25°C

Fig. S2 TGA of complex 1.

Fig. S3 TGA of complex 2.

Fig. S4 TGA of complex 3.

Fig. S5 TGA of complex 4.

Fig. S6 Dependence of the observed first order rate constants, kobs for the reaction of complex 1 with potassium peroxysulfate in the water–methanol binary mixture at [complex] = 1  10−4 mol·dm−3, = 0.1 mol·dm−3, pH~3 and 25°C.

Fig. S7 Dependence of the observed first order rate constants, kobs for the reaction of complex 2 with potassium peroxysulfate in the water–methanol binary mixture at [complex] = 1  10−4 mol·dm−3, = 0.1 mol·dm−3, pH~3 and 25°C.

Fig. S8 Dependence of the observed first order rate constants, kobs for the reaction of complex 4 with potassium peroxysulfate in the water–methanol binary mixture at [complex] = 1  10−4 mol·dm−3, = 0.1 mol·dm−3, pH~3 and 25°C

Fig. S9Initial state (is)–transition state (ts) analysis of the reactivity trends of oxidation of

complex1 in the water–methanol binary mixtures (various vol. % of MeOH).

Fig. S10Initial state (is)–transition state (ts) analysis of the reactivity trends of oxidation of complex 2 in in the water–methanol binary mixtures(various vol. % of MeOH).

Fig. S11Initial state (is)–transition state (ts) analysis of the reactivity trends of oxidation of complex 4 in in the water–methanol binary mixtures(various vol. % of MeOH).