Syntheses, structures, and magnetic properties of discrete cyano-bridged heterodinuclear complexes composed of MnIII(salen)-type complex and MIII(CN)6 anion (MIII = Fe, Mn, and Cr)

Ryuta Ishikawa, Motohiro Nakano, Brian K. Breedlove, Masahiro Yamashita

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Reacting [MnIII(5-TMAM(R)-salmen)(H2O) 2](ClO4)3·H2O with [M III(CN)6]3- moieties yields a series of discrete cyano-bridged heterodinuclear complexes, [MnIII(5-TMAM(R)- salmen)(H2O)MIII(CN)6]·7H 2O·MeCN (where 5-TMAM(R)-salmen = (R)-N,N′-(1- methylethylene)bis(5-trimethylammoniomethylsalicylideneiminate; M = Fe (1), Mn (2), and Cr (3)). dc magnetic susceptibility and magnetization studies on powdered samples showed that the MnIII(5-TMAM(R)-salmen) moiety had significant uniaxial anisotropy and that [MIII(CN)6] 3- moieties of 1 and 2 had magnetic anisotropy due to unquenched orbital angular momenta, which significantly affects the magnetic behavior of this system. Frequency-dependent ac susceptibility signals indicated that slow magnetic relaxation was occurring, meaning that 1 and 2 behave as single-molecule magnets.

Original languageEnglish
Pages (from-to)346-351
Number of pages6
JournalPolyhedron
Volume64
DOIs
Publication statusPublished - 2013

Keywords

  • Cyano-bridged
  • Heterometallic
  • Magnetic properties
  • Manganese(III)
  • Single-molecule magnets

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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