Electron-Transferred Donor/Acceptor Ferrimagnet with TC = 91 K in a Layered Assembly of Paddlewheel [Ru2] Units and TCNQ

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The donor (D)/acceptor (A) assembly reaction of the paddlewheel-type diruthenium(II,II) complex [Ru2(2,4,6-F3PhCO2)4(THF)2] (2,4,6-F3PhCO2- = 2,4,6-trifluorobenzoate; abbreviated hereafter as [Ru2]) with 7,7,8,8-tetracyano-p-quinodimethane (TCNQ) in a p-xylene/CH2Cl2 solvent system led to the formation of a two-dimensional layered compound, [{Ru2(2,4,6-F3PhCO2)4}2(TCNQ)]·2(p-xylene)·2CH2Cl2 (1). As expected from this D/A combination, 1 has a one-electron-transfer ionic state with the D0.5+2A- formulation. This state formally derives a heterospin state composed of S = 1 for [RuII,II2], S = 3/2 for [RuII,III2]+, and S = 1/2 for TCNQ•-, possibly causing intralayer ferrimagnetic spin ordering. Most of these types of compounds have an antiferromagnetic ground state because of the coupling of ferrimagnetically ordered layers in dipole antiferromagnetic interactions. However, 1 became a three-dimensional ferrimagnet with TC = 91 K because of the presence of interlayer ferromagnetic interactions.

Original languageEnglish
Pages (from-to)10001-10006
Number of pages6
JournalInorganic chemistry
Issue number20
Publication statusPublished - 2015 Oct 19

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry


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