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Ferrocene derivatives and polyoxometalate electron donor - acceptor charge-transfer salt synthesis and properties of

Author: NiuYuJuan
Tutor: XueGangLin
School: Northwestern University
Course: Physical and chemical
Keywords: Polyoxometalates Ferrocene derivatives Charge-transfer Borotungstic heteropoly compounds
CLC: O627.81
Type: Master's thesis
Year: 2010
Downloads: 92
Quote: 1
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Abstract


Polyoxometalates (POMs) is a structure and nature of the notable features of the compounds, widely used in the field of catalysis, magnetism, materials science, environmental protection and medicine. Meanwhile, POMs is an excellent electron acceptor, organic - inorganic hybrid charge transfer has potential applications in the field of catalysis, conductors, nonlinear optical materials and liquid crystal can be formed with electron-donating ability of the organism salt, and thus become one of the focus of concern in recent years. This article choose has good electron-donating ability the ferrocene derivatives polyoxometalate reaction, crystallization seven new charge transfer salt crystal samples, as well as five amorphous or microcrystalline charge-transfer salt. Crystalline compound: CpFeCpCH2N (CH3) 3i electron donor charge transfer salt: [(C4H9) 4N] [CpFeCpCH2N (CH3) 3] [Mo6O19] (1) [CpFeCpCH2N (CH3) 3] 4 [W10O32] · the CH3CN- 2H2O (2) [CpFeCpCH2N (CH3) 3] 4 [SMo12040]-2CH3CN (3) CpFeCpCH (CH3) PyCl charge transfer salt is an electron donor: CpFeCpCH (CH3) Py] 2 [Mo6O19] (4) [CpFeCpCH (CH3) Py] 2 [W6O19] (5) [CpFeCpCH (CH3) Py] 4 [W10O32] (6) [(C4H9) 4 N] 2 [CpFeCpCH (CH3) Py] 2 [W10O32]-2CH3CN-2H20 ( 7 the) amorphous or microcrystal compound: CpFeCpCH (CH3) PyCl for the electrons to the body of the charge transfer salts may be composed: [(CH3) Py] CpFeCpCH 4 [SiMo12040] (8) [CpFeCpCH (CH3) Py] 4 [ GeMo12O40] (9) (C2H5) CpFeCp (C2H5) body-electron charge transfer salt may be composed of: [(C2H5) CpFeCp (C2H5)] 4 [SiMo12040] (10) [(C2H5) CpFeCp (C2H5)] 3 [PMo12040] (11) [(C2H5) CpFeCp (C2H5)] 3 [AsMo12040] (12) of these new compounds, the IR, elemental analysis, UV-vis spectroscopy, fluorescence properties as well as a part of the electrochemical properties. The X-ray diffraction analysis and identified seven crystal structure of the samples. Crystal structure is shown in the compound (1) - (7), ferrocene derivatives as electron donor and the electron acceptor of the polyoxometallate anion, as well as electron-donor among there is a complex interactions, such as hydrogen bonds, л ... л accumulation of various forms of role. Compound (1) - (7) in the solution and solid state ultraviolet absorption spectrum of the comparison shows that the presence of solid samples of the charge transfer absorption band in solution due to the understanding from the charge transfer in the long-wavelength region of the absorption band does not exist. Found that the comparison compounds with fluorescent properties of the raw materials, the formation of a charge-transfer salts multi-metal salts Salts and electron binding, fluorescence properties has undergone tremendous changes in the other hand proved ferrocene derivatives and polyoxometalates charge transfer occurred between the anion. In chapter 5, reported a case study of heteropoly compounds containing Zr fewer single absence of Keggin type boron sandwich-type K14 [Zr (α-BW11O39) 2] .19 H2O (13), and its structure and properties characterization .

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CLC: > Mathematical sciences and chemical > Chemistry > Organic Chemistry > Elements in organic compounds > Ⅷ of group elements, organic compounds > Iron organic compounds
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