Contrasting Magnetism of [MnIII 4] and [MnII 2MnIII 2] Squares

Contrasting Magnetism of [MnIII 4] and [MnII 2MnIII 2] Squares

Two tetranuclear manganese distorted square-shaped clusters, [MnIII 4(L1)4(μ2-OMe)4]·2.5H2O (1) and [MnII 2MnIII 2(L2)4(H2O)2](PF6)2·CHCl3·CH3OH·1.5H2O (2) (H2L1 = 2-[3-(2-hydroxyphenyl)-1H-pyrazol-5-yl]-6-pyridinecarboxylic acid methyl ester; H2L2 = 2-[3-(2-hydroxyphenyl)-1H-pyrazol-5-yl]-6-pyridin...

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Veröffentlicht in:Inorganic chemistry 2010-01, Vol.49 (2), p.368-370
Hauptverfasser: Matsumoto, Takuto, Shiga, Takuya, Noguchi, Mao, Onuki, Tatsuya, Newton, Graham N, Hoshino, Norihisa, Nakano, Motohiro, Oshio, Hiroki
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Sprache:eng
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Zusammenfassung:Two tetranuclear manganese distorted square-shaped clusters, [MnIII 4(L1)4(μ2-OMe)4]·2.5H2O (1) and [MnII 2MnIII 2(L2)4(H2O)2](PF6)2·CHCl3·CH3OH·1.5H2O (2) (H2L1 = 2-[3-(2-hydroxyphenyl)-1H-pyrazol-5-yl]-6-pyridinecarboxylic acid methyl ester; H2L2 = 2-[3-(2-hydroxyphenyl)-1H-pyrazol-5-yl]-6-pyridinecarboxylic acid ethyl ester), exhibit antiferromagnetic and ferromagnetic interactions between neighboring manganese ions, respectively.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic902052f