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Arsenicum-centered molybdenum-vanadium polyoxometalates bearing transition metal complexes: Hydrothermal syntheses, crystal structures and magnetic properties
Li, FY; Xu, L; Wei, YG; Wang, XL; Wang, WJ; Wang, EB
关键词Polyoxometalate Hydrothermal Synthesis Crystal Structure Magnetic Properties
刊名JOURNAL OF MOLECULAR STRUCTURE
2005-10-28
DOI10.1016/j.molstruc.2005.05.047
753期:1-3页:61-67
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]INORGANIC HYBRID MATERIALS ; ULTRATHIN COMPOSITE FILMS ; NUCLEARITY SPIN CLUSTERS ; SUPRAMOLECULAR ASSEMBLIES ; KEGGIN STRUCTURE ; ANION ; DERIVATIVES ; FIELD ; ESCA
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
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被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139641
专题中国科学院大连化学物理研究所
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
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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.
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