Synthesis and characterization of redox-active Complexes of molybdenum(ll) nitrosyl linked to pfunctionalized Iron(iii)-schiff bases
Odhiambo, Ruth A.
Muthakia, Gerald K.
Kagwanja, Stanely M.
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Characterization of heterobinuclear complexes containing molybdenum(II) nitrosyl metal fragment, Mo(NO)Tp'Cl; r,' = tris(3,5-dimethylpyrazolyl) borate linked to p-functionalized Fe(Salen)Cl; by IR, UV, MS and elemental analysis is herein described. The electrochemical behavior, investigated by both cyclic and differential pulse voltammetry, indicates that the monometallic Fe(Salen)Cl complexes exhibit one reduction peak which may be associated with the reduction of iron center while the heterobinuclear molybdenum-iron complexes exhibit two reduction peaks which may be associated with the reduction of both molybdenum and iron centers. The reduction potential of iron is more cathodic in Fe(Salen)Cl than in the binuclear complex showing that the electron deficient molybdenum nitrosyl center modestly influences its reduction potential.