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Preparation, structure, and magnetic interaction of a Mn(hfac)2-bridged [2-(3-pyridyl)(nitronyl nitroxide)-Mn(hfac)2]2 chain complex.

Authors
  • Okada, Keiji1
  • Beppu, Shiori
  • Tanaka, Koichiro
  • Kuratsu, Masato
  • Furuichi, Kimiaki
  • Kozaki, Masatoshi
  • Suzuki, Shuichi
  • Shiomi, Daisuke
  • Sato, Kazunobu
  • Takui, Takeji
  • Kitagawa, Yasutaka
  • Yamaguchi, Kizashi
  • 1 Department of Chemistry, Graduate School of Science, Osaka City University, Sugimoto, Sumiyoshi-ku, Osaka, 558-8585, Japan. [email protected] , (Japan)
Type
Published Article
Journal
Chemical communications (Cambridge, England)
Publication Date
Jun 28, 2007
Issue
24
Pages
2485–2487
Identifiers
PMID: 17563804
Source
Medline
License
Unknown

Abstract

A new one-dimensional chain complex, Mn(hfac)(2)-bridged [2-(3-pyridyl)(nitronyl nitroxide)Mn(hfac)(2)](2), was prepared and its structure and magnetic properties were elucidated; the complex exhibited a large antiferromagnetic interaction of J(1)=-185 K between the three Mn(ii) atoms and the two nitronyl nitroxides to give S=13/2 spin units and a small ferromagnetic interaction of J(3)'=+0.02 K between these spin units at low temperatures (50-1.9 K), compatible with the theoretical analysis for model compounds.

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