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The novel mixed-valence, exchange-coupled, class III dimer [L<sub>2</sub>Fe<sub>2</sub>(µ-OH)<sub>3</sub>]<sup>2+</sup>(L =N,N′,N″-trimethyl-1,4,7-triazacyclononane)
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1989
Year
Materials ScienceInorganic ChemistryMagnetic PropertiesClass IiiEngineeringCoordination ComplexMixed Valence IronMethanol AffordsMossbauer SpectroscopyCatalysisChemistryNovel Mixed-valenceInorganic SynthesisInorganic Compound
The reaction of Fe(CIO4)2·6H2O with N,N′,N,″-trimethyl-1,4,7-triazacyclononane (L) in methanol affords, in the presence of a small amount of oxygen, the deep blue binuclear complex [L2Fe2(µ-OH)3](CIO4)2·2MeOH·2H2O which was characterized by EXAFS, e.s.r., u.v.-visible and Mössbauer spectroscopy to be a mixed valence iron (II/III) species of class III with an Stot= 9/2 ground state.