Arsenicum-centered molybdenum-vanadium polyoxometalates bearing transition metal complexes: Hydrothermal syntheses, crystal structures and magnetic properties
文献类型:期刊论文
作者 | Li, FY; Xu, L; Wei, YG; Wang, XL; Wang, WJ; Wang, EB |
刊名 | JOURNAL OF MOLECULAR STRUCTURE
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出版日期 | 2005-10-28 |
卷号 | 753期号:1-3页码:61-67 |
关键词 | Polyoxometalate Hydrothermal Synthesis Crystal Structure Magnetic Properties |
ISSN号 | 0022-2860 |
DOI | 10.1016/j.molstruc.2005.05.047 |
英文摘要 | The tetra-capped Keggin anion-supported Cobalt-Phenanthroline complex [Co-2(phen)(2)(OH)(2)(H2O)(4)](0.5)[{Co(phen)(2)(H2O)}(2)(AsMo6Mo2)-Mo-VI (V)A(8)(IV)O(44)]center dot 2H(2)O (1) and the bicapped Keggin anion-based Nickel-phenanthroline compound [Ni(phen)(2)H2O](2)[(AsMo11MoO40)-Mo-VI-O-V((VO2)-O-IV)0.5]. 2H(2)O(2), have been hydrothermally synthesized and structurally characterized by elemental analyses, single crystal X-ray diffraction, IR and X-ray photoelectron spectrum. The interesting structural feature of 1 is that there are two types of free complex cation [Co-2(phen)(2)(OH)(2)(H2O)(4)](2+) in different orientations in the crystal structure of 1, and these free complex cations coexist in the space between polyoxometalate clusters. The structure of compound 2 is very like compound 1 except that the Keggin unit is bi-capped instead of tetra-capped. Compounds 1 and 2 are examples that Arsenicum-centered vanadomolybdate anion acts as an active building block in the fabrication of polyoxometalates-supported hybrid solids. Then, the magnetic characteristic of I is typical of a dominant ferromagnetic interactions in the 6-300 K temperature range and a succedent antiferromagnetic interactions in the very low temperature range (2-6 K), while the magnetic behavior for 2 is characteristic of a dominant ferromagnetic interactions in the 6-300 K temperature range and succedent antiferromagnetic interactions in the very low temperature range (2-6 K). (c) 2005 Elsevier B.V. All fights reserved. |
语种 | 英语 |
WOS记录号 | WOS:000232895800009 |
出版者 | ELSEVIER SCIENCE BV |
源URL | [http://ir.iccas.ac.cn/handle/121111/56107] ![]() |
专题 | 中国科学院化学研究所 |
通讯作者 | Xu, L |
作者单位 | 1.NE Normal Univ, Dept Chem, Changchun 130024, Peoples R China 2.Peking Univ, State Key Lab Struct Chem Unstable & Stable Speci, Inst Chem Phys, Coll Chem & Mol Engn, Beijing 100871, Peoples R China |
推荐引用方式 GB/T 7714 | Li, FY,Xu, L,Wei, YG,et al. Arsenicum-centered molybdenum-vanadium polyoxometalates bearing transition metal complexes: Hydrothermal syntheses, crystal structures and magnetic properties[J]. JOURNAL OF MOLECULAR STRUCTURE,2005,753(1-3):61-67. |
APA | Li, FY,Xu, L,Wei, YG,Wang, XL,Wang, WJ,&Wang, EB.(2005).Arsenicum-centered molybdenum-vanadium polyoxometalates bearing transition metal complexes: Hydrothermal syntheses, crystal structures and magnetic properties.JOURNAL OF MOLECULAR STRUCTURE,753(1-3),61-67. |
MLA | Li, FY,et al."Arsenicum-centered molybdenum-vanadium polyoxometalates bearing transition metal complexes: Hydrothermal syntheses, crystal structures and magnetic properties".JOURNAL OF MOLECULAR STRUCTURE 753.1-3(2005):61-67. |
入库方式: OAI收割
来源:化学研究所
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