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| 铁氧簇合物[Fe11O6(OH)6(O2CCH3)15](C5H5N)6的结构和磁性质 | |
| 引用本文： | 何广杰,张秀英,段春迎. 铁氧簇合物[Fe11O6(OH)6(O2CCH3)15](C5H5N)6的结构和磁性质[J]. 无机化学学报, 2006, 22(4): 691-695 |
| 作者姓名： | 何广杰 张秀英 段春迎 |
| 作者单位： | 1. 河南师范大学化学与环境科学学院,新乡,453007;南京大学配位化学国家重点实验室,南京,210093 2. 河南师范大学化学与环境科学学院,新乡,453007 3. 南京大学配位化学国家重点实验室,南京,210093 |
| 摘 要： | 通过三核铁盐[Fe3O(O2CCH3)6(H2O)3]C1在吡啶溶液中水解聚合得到铁氧簇合物[Fe11O6(OH)6(O2CCH3)15](C5H5N)6。晶体结构表明11个铁离子(Ⅲ)中6个位于扭曲的三棱柱的顶点上，其余5个分别位于三棱柱的每个面之外。铁离子(Ⅲ)之间以氧桥或者羟基氧桥相连。变温磁化率证实铁离子(Ⅲ)之间是反铁磁耦合的。 |
| 关 键 词： | 铁氧簇合物； 多核配合物； 磁性； 晶体结构 |
| 文章编号： | 1001-4861(2006)04-0691-05 |
| 收稿时间： | 2005-12-20 |
| 修稿时间： | 2006-03-02 |
Structure and Magnetic Property of an Oxo-Hydroxo Aggregate [Fe11O6(OH)6(O2CCH3)15](C5H5N)6 |
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| HE Guang-Jie,ZHANG Xiu-Ying and DUAN Chun-Ying. Structure and Magnetic Property of an Oxo-Hydroxo Aggregate [Fe11O6(OH)6(O2CCH3)15](C5H5N)6[J]. Chinese Journal of Inorganic Chemistry, 2006, 22(4): 691-695 | |
| Authors: | HE Guang-Jie ZHANG Xiu-Ying DUAN Chun-Ying |
| Affiliation: | College of Chemistry and Environmental Science, Henan Normal University, Xinxiang, Henan 453007;State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093,College of Chemistry and Environmental Science, Henan Normal University, Xinxiang, Henan 453007 and State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093 |
| Abstract: | A new undecairon(Ⅲ) oxo-hydroxo aggregate [Fe11O6(OH)6(O2CCH3)15]·(C5H5N)6 has been synthesized by controlled hydrolytic polymerization in pyridine solution containing oxo-bridged trinuclear ferric salt, [Fe3O(O2CCH3)6(H2O)3]Cl, and tartaric acid. The eleven iron atoms defined a twisted pentacapped trigonal prism with each of the iron center being octahedral coordinated. The six pyridine molecules penetrated the sheath of 15bidentate bridging acetic ligands to form hydrogen bonds to protons on the six μ3-hydroxo ligands. The temperature-dependent magnetic susceptibility behavior of the undecairon (Ⅲ) aggregate was consistent with a ground state spin ST=1/2 per aggregate and the expected antiferromagnetic exchange interactions between the Fe(Ⅲ) ions. CCDC: 298019. |
| Keywords: | iron-oxo cluster polynuclear complex magnetism crystal structure |
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