An iron(III) phosphonate cluster containing a nonanuclear ring |
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| Authors: | Yao Hong-Chang Wang Jun-Jie Ma Yun-Sheng Waldmann Oliver Du Wen-Xin Song You Li Yi-Zhi Zheng Li-Min Decurtins Silvio Xin Xin-Quan |
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| Affiliation: | State Key Laboratory of Coordination Chemistry, Coordination Chemistry Institute, Nanjing University, Nanjing 210093, P. R. China. |
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| Abstract: | This communication reports the first example of cyclic ferric clusters with an odd number of iron atoms capped by phosphonate ligands, namely, [Fe9(mu-OH)(7)(mu-O)2(O3PC6H9)8(py)12]. The magnetic studies support a S = 1/2 ground state with an exchange coupling constant of about J approximately equal to -30 K. |
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