Single-molecule magnets constructed from cyanometalates: {[Tp*Fe III(CN)3MII(DMF)4] 2[OTf]2}·2DMF (MII = Co, Ni)

Dongfeng Li, Sean Parkin, Guangbin Wang, Gordon T. Yee, Andrey V. Prosvirin, Stephen M. Holmes

Research output: Contribution to journalArticlepeer-review

194 Scopus citations


Treatment of several divalent transition-metal trifluoromethane-sulfonates [MII(OTf)2; MII = Mn, Co, Ni] with [NEt 4][Tp*FeIII(CN)3] [Tp* = hydridotris(3,5-dimethylpyrazol-1-yl)borate] in DMF affords three isostructural rectangular clusters of {[Tp*FeIII(CN)3M II(DMF)4]2-[OTf]2}·2DMF (MII = Mn, 3; Co, 4; Ni, 5) stoichiometry. Magnetic studies of 3-5 indicate that the Tp*Fe(CN)3- centers are highly anisotropic and exhibit antiferromagnetic (3 and 4) and ferromagnetic (5) exchange to afford S = 4, 2, and 3 spin ground states, respectively. ac susceptibility measurements suggest that 4 and 5 exhibit incipient single-molecule magnetic behavior below 2 K.

Original languageEnglish
Pages (from-to)4903-4905
Number of pages3
JournalInorganic Chemistry
Issue number14
StatePublished - Jul 11 2005

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry


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