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Synthesis,Characterization and Structure of a New Partially-sulfided Ni-Mo Dimetallic Complex and Its Evaluation as a Catalyst Precursor for Dibenzothiophene Hydrodesulfurization

Synthesis,Characterization and Structure of a New Partially-sulfided Ni-Mo Dimetallic Complex and Its Evaluation as a Catalyst Precursor for Dibenzothiophene Hydrodesulfurization
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摘要 A new complex, [Ni(H2O)6][Mo2O2S2(edta)]·2H2O (1, edta = ethylenediamine- tetraacetate), which was partially-sulfided, was synthesized and characterized by single-crystal X-ray diffraction. Compound 1 belongs to the monoclinic system, C2/c space group with a = 7.1844(2), b = 12.5626(4), c = 27,0201(8) A, β= 93,066(3)°, V = 2435.21(14) A3, C10H28S2Mo2N2NiO18, Mr= 779.02, Dc= 2.1247 g/cm3, A,(MoKa) = 2.035 mml, F(000) = 1550, Z = 4, the final R = 0.0366 and wR = 0.0656 for 5359 observed reflections (I 〉 2σ(I)). There are one isolated [Ni(H2O)6]^2+ cation and one [Mo2O2S2(edta)]^2- anion in its asymmetric unit, and they are connected through multiple hydrogen bonds to generate a 3D network. In addition, the thermal behavior of compound 1 and the hydrodesulfurization activity of the catalyst derived from compound 1 were studied. A new complex, [Ni(H2O)6][Mo2O2S2(edta)]·2H2O (1, edta = ethylenediamine- tetraacetate), which was partially-sulfided, was synthesized and characterized by single-crystal X-ray diffraction. Compound 1 belongs to the monoclinic system, C2/c space group with a = 7.1844(2), b = 12.5626(4), c = 27,0201(8) A, β= 93,066(3)°, V = 2435.21(14) A3, C10H28S2Mo2N2NiO18, Mr= 779.02, Dc= 2.1247 g/cm3, A,(MoKa) = 2.035 mml, F(000) = 1550, Z = 4, the final R = 0.0366 and wR = 0.0656 for 5359 observed reflections (I 〉 2σ(I)). There are one isolated [Ni(H2O)6]^2+ cation and one [Mo2O2S2(edta)]^2- anion in its asymmetric unit, and they are connected through multiple hydrogen bonds to generate a 3D network. In addition, the thermal behavior of compound 1 and the hydrodesulfurization activity of the catalyst derived from compound 1 were studied.
出处 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2015年第12期1908-1914,共7页 结构化学(英文)
基金 Supported by the National Natural Science Foundation of China(No.21206197) Promotive Research Fund for Excellent Young and Middle-aged Scientists of Shandong Province(BS2013CL021) Undergraduate Innovative Training Program of Shengli College of China University of Petroleum(20141001)
关键词 dimetallic complex ethylenediaminetetraacetate crystal structure HYDRODESULFURIZATION dimetallic complex, ethylenediaminetetraacetate, crystal structure, hydrodesulfurization
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