A cyano-bridged hetero-tetranuclear [Sm2(o-phen)2(DMF)6(H2O)2(μ-CN)4Fe2(CN)8]．5H2O．CH3OH: synthesis, structure, Mössbauer spectrum, and magnetism

淡江大學機構典藏 > 理學院 > 化學學系暨研究所 > 期刊論文 > Item 987654321/24901

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题名:	A cyano-bridged hetero-tetranuclear [Sm2(o-phen)2(DMF)6(H2O)2(μ-CN)4Fe2(CN)8]．5H2O．CH3OH: synthesis, structure, Mössbauer spectrum, and magnetism
作者:	Huang, Ya-feng;魏和祥;Wei, Ho-hsiang;Katada, Motomi
贡献者:	淡江大學化學學系
关键词:	Crystal structure;Cyanide-bridged lanthanide complexes;Ferricyanide;Müssbauer effect;Magnetic properties;Mossbauer effect;Samarium
日期:	2008-09
上传时间:	2010-08-10 09:53:25 (UTC+8)
出版者:	Abingdon: Taylor & Francis
摘要:	Two new hetero-tetranuclear complexes, [Sm2(o-phen)2(DMF)6(H2O)2(µ-CN)4Fe2(CN)8]·;5H2O·;CH3OH (1) and [Sm2(o-phen)2(DMF)6(H2O)2(µ-CN)4Co2(CN)8]·;5H2O (2), have been prepared from reaction of SmCl3·;6H2O, K3[Fe(CN)6]·;3H2O or K3[Co(CN)6], and o-phen in methanol/DMF, and characterized. The structure of 1 consists of a cyano-bridged discrete cyclic tetranuclear complex in which the Sm(III) and Fe(III) centers are linked by four CN groups. Mossbauer spectrum of 57Fe indicates that both Fe(III) atoms in 1 have the same low-spin (S = 1/2) electronic ground state. From comparison of the magnetic data of 1 and 2, at low temperature for 1 indicates weak ferromagnetic coupling between Sm(III) and Fe(III).
關聯:	Journal of Coordination Chemistry 61(17), pp.2683-2689
DOI:	10.1080/00958970801958782
显示于类别:	[化學學系暨研究所] 期刊論文

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