Synthesis and characterization of a family of tetranuclear manganese(III) phosphonate complexes
文献类型：期刊论文
| 作者 | M. Wang ; C. B. Ma ; D. Q. Yuan ; M. Q. Hu ; C. N. Chen ; Q. T. Liu |
| 刊名 | New Journal of Chemistry
 |
| 出版日期 | 2007 |
| 卷号 | 31期号:12页码:2103-2110 |
| 关键词 | water oxidation center crystal-structure carboxylate complexes metal phosphonates pyrazole ligands spin magnetization clusters model cages |
| ISSN号 | 1144-0546 |
| 中文摘要 | Four tetranuclear manganese(III) complexes containing phosphonate ligands (RPO32-, R = Me, Et and n-Bu), [ Mn4O2(MePO3)(2)(O2CMe)(4)(bpy)(2)]center dot 4MeCOOH (1), [Mn4O2(EtPO3)(2)(O2CMe)(4)(bpy)(2)]center dot 7H(2)O (2), [Mn4O2(n-BuPO3)(2)(O2CMe)(4)(bpy)(2)]center dot 4H(2)O center dot(COOH)(2) ( 3) and [Mn4O2(MePO3)(2)(O2CPh)(4)(phen)(2)]center dot 4PhCOOH center dot 2MeCN (4), have been synthesized and characterized by IR spectroscopy, ESI-MS spectrometry, electrochemical analysis, magnetic measurements and TGA. The X-ray analysis shows that the four complexes all have one [Mn-4(mu(3)-O)(2)](8+) core with four coplanar Mn atoms disposed in an extended "butterfly-like'' arrangement and two O atoms triply bridging each "wing'', and the peripheral ligation is provided by four mu(2)-MeCO2- or four mu(2)-PhCO2-, two terminal bpy or phen (bpy = 2,2'-bipyridine, phen = 1,10-phenanthroline) groups at both ends of the molecule, and two bicapping mu(3)-phosphonate ligands, which each binds to three manganese centers above and below the plane. The cyclic voltammetry of 1 and 3 each displays four reduction and one oxidation processes, of which the four reduction processes are possibly attributed to the reduction of four Mn-III of the compounds to Mn-II. The ESI-MS data indicate that the family of complexes are stable in solution. Magnetic susceptibility measurements reveal that compounds 1 and 3 display antiferromagnetic interactions between the adjacent Mn-III ions mediated through the mu(3)-O, O-C-O and O-P-O bridges. |
| 语种 | 英语 |
| 公开日期 | 2013-04-01 |
| 源URL | [http://ir.fjirsm.ac.cn/handle/350002/6682]  |
| 专题 | 福建物质结构研究所_中科院福建物质结构研究所_期刊论文 |
| 推荐引用方式 GB/T 7714 | M. Wang,C. B. Ma,D. Q. Yuan,et al. Synthesis and characterization of a family of tetranuclear manganese(III) phosphonate complexes[J]. New Journal of Chemistry,2007,31(12):2103-2110. |
| APA | M. Wang,C. B. Ma,D. Q. Yuan,M. Q. Hu,C. N. Chen,&Q. T. Liu.(2007).Synthesis and characterization of a family of tetranuclear manganese(III) phosphonate complexes.New Journal of Chemistry,31(12),2103-2110. |
| MLA | M. Wang,et al."Synthesis and characterization of a family of tetranuclear manganese(III) phosphonate complexes".New Journal of Chemistry 31.12(2007):2103-2110. |
入库方式： OAI收割
来源：福建物质结构研究所
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