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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF A NOVEL TITANIUM-ALUMINIUM ALKOXIDE [German]
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SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF A NOVEL TITANIUM-ALUMINIUM ALKOXIDE [German]

机译:新型钛铝铝氧化物的合成与结构表征[德语]

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摘要

The novel Ti-Al-Alkoxide TiAl2((OPr)-Pr-1)(10) was synthesized from aluminium turnings and titanium tetraisopropoxide in 2-propanol and isolated by subsequent fractionating distillation. Colourless prismatic crystals precipitated after 24 h at 20 degrees C from the main fraction. They proved very moisture sensitive. The compound crystallizes in the monoclinic space group C2/c (no. 15) with a = 2303.1(4), b = 1097.2(3), c = 1685.0(3) pm, beta = 104.32(1)degrees and Z = 4. The molecular structure exhibits a bent Al-Ti-Al' unit, in which Al shows tetrahedral, but Ti octahedral coordination. The polyhedra are connected via cis-edges of the octahedron. The structure of the compound in solution was determined by NMR spectroscopy (H-1, C-13, COSY) and proved to be identical to the structure in the solid state. [References: 25]
机译:从铝屑和四异丙醇钛在2-丙醇中合成了新型的Ti-Al-烷氧基TiAl2((OPr)-Pr-1)(10),然后通过分馏进行分离。在20摄氏度下24小时后,无色棱晶从主要部分析出。他们被证明对水分非常敏感。该化合物在单斜空间群C2 / c(第15号)中结晶,a = 2303.1(4),b = 1097.2(3),c = 1685.0(3)pm,beta = 104.32(1)度,Z = 4分子结构表现出弯曲的Al-Ti-Al'单元,其中Al显示四面体,而Ti显示八面体配位。多面体通过八面体的顺式边缘连接。溶液中化合物的结构通过NMR光谱法(H-1,C-13,COSY)测定,并证明与固态结构相同。 [参考:25]

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