Synthesis, structure, and ferromagnetic behavior of decacopper(II) cluster complex supported by hexaanionic p-tert-butylthiacalix[6]arene

Takashi Kajiwara, Noriyoshi Kon, Shuichi Yokozawa, Tasuku Ito, Nobuhiko Iki, Sotaro Miyano

Research output: Contribution to journalArticlepeer-review

73 Citations (Scopus)

Abstract

A nanosized decacopper(II) cluster complex was synthesized using p-tert-butylthiacalix[6]arene as a ligand. In the complex, the calixarene assumes a "pinched cone" conformation and acts as an undecadentate ligand via six phenoxy oxygen and five sulfur atoms. The resulting pentacopper(II) subunits are connected by two hydroxo and two oxo groups to form decacappoer(II) cluster core. The core structure remains intact in alcoholic solution as shown by ESI MS. The temperature dependence of χmT clearly shows ferromagnetic behavior of the core due to orthogonality between two adjoining magnetic orbitals of copper(II) ions.

Original languageEnglish
Pages (from-to)11274-11275
Number of pages2
JournalJournal of the American Chemical Society
Volume124
Issue number38
DOIs
Publication statusPublished - 2002 Sep 25

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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