Synthesis, structure, and magnetic properties of a tetradecanuclear manganese complex

Siang Hua Huang, Siang Yu Jhan, Chen I. Yang, Hui-Lien Tsai

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A new [Mn144-O)43-OH) 4(L)4(O2CPh)14(OMe) 2]·2CH2Cl2 (1·2CH 2Cl2) cluster, where H2L = N-salicylidene-o- aminophenol, was synthesized by reacting the [Mn6O2(O 2CPh)10(DMF)4] precursor with tridentate ligands. The structure of the tetradecanuclear complex features a [Mn II6MnIII84-O) 43-OH)4]24+ core which is comprised of a non-planar rod-like [MnII2Mn III64-O)43-OH) 2]12+ unit, with both sides bonded in the form of a [MnII2MnIII3-OH)]6+ triangle. Direct current (dc) magnetic susceptibility measurements of the complex indicate the existence of intramolecular antiferromagnetic interactions between the metal ions, with a ground state of S = 2. The complex exhibits frequency-dependent out-of-phase signals in alternating current (ac) magnetic susceptibility measurements, suggesting slow magnetic relaxations.

Original languageEnglish
Pages (from-to)245-251
Number of pages7
JournalPolyhedron
Volume66
DOIs
Publication statusPublished - 2013 May 27

All Science Journal Classification (ASJC) codes

  • Inorganic Chemistry
  • Materials Chemistry
  • Physical and Theoretical Chemistry

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