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稀土化合物和烷基铝反应的研究,不仅对揭示f轨道的本质且对阐明稀土配位催化聚合烯烃的催化剂结构都有重要意义。Grcco等曾报道C_8H_8Ce(μ-O-i-C_3H_7)_2Al(C_2H_5)_2配合物,但尚未见晶体结构数据。 本文介绍了一种新的Y-Al双金属配合物的合成和培养晶体的方法。用四圆衍射仪确定了它的晶体结构,并用~1H NMR、ESCA等方法研究了配合物中钇的价态。
The study of the reaction between rare earth compounds and aluminum alkyls is of great significance not only for revealing the nature of f orbitals but also for elucidating the catalyst structure of rare earth coordination-catalyzed polymerization of olefins. Grcco et al. Reported C_8H_8Ce (μ-O-i-C_3H_7) _2Al (C_2H_5) _2 complexes, but no crystal structure data were reported. This article describes a new Y-Al bimetallic complexes for the synthesis and cultivation of crystals. Its crystal structure was confirmed by four-circle diffractometer. The valence of yttrium in the complex was studied by 1H NMR, ESCA and so on.