An iron(III) phosphonate cluster containing a nonanuclear ring

H. C. Yao; J. J. Wang; L. M. Zheng; O. Waldmann; S. Decurtins; W. X. Du; X. Q. Xin; Y. S. Ma; Y. Song; Y. Z. Li

arxiv: cond-mat/0606452 · v1 · submitted 2006-06-16 · ❄️ cond-mat.str-el · cond-mat.mes-hall

An iron(III) phosphonate cluster containing a nonanuclear ring

H. C. Yao , J. J. Wang , Y. S. Ma , O. Waldmann , W. X. Du , Y. Song , Y. Z. Li , L. M. Zheng

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S. Decurtins X. Q. Xin

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classification ❄️ cond-mat.str-el cond-mat.mes-hall

keywords ironphosphonateatomscappedclusterclusterscommunicationconstant

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This communication reports the first example of cyclic ferric clusters with an odd number of iron atoms capped by phosphonate ligands, namely, [Fe9(m-OH)7(m-O)2(O3PC6H9)8-(py)12]. The magnetic studies support a S = 1/2 ground state with an exchange coupling constant of about J = -30 K.

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An iron(III) phosphonate cluster containing a nonanuclear ring

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