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钛配合物Cp_2TiL,Cp_2Ti_2Cl_2(μ-O)和Cp_4Ti_4Cl_4(μ-O)_4的合成与晶体结构研究(Cp=η~5-C_5H_5,L=2,6-吡啶二羧酸盐)

Synthesis and Crystal Structures of Titanium Complexes: Cp_2TiL, Cp_2Ti_2Cl_2( μ-O) and Cp_4Ti_4Cl_4 μ-O)_4 (Cp=η~5-C_5H_5, L=2,6-dipicolinate)
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摘要 利用溶剂热的方法将Cp2TiCl2(Cp=η5-C5H5)与2,6-吡啶二羧酸钠(L)反应,不同的反应时间得到了2个具有不同晶体空间群的化合物Cp2TiL(1a和1b),而在常温或低温下,Cp2TiCl2或CpTiCl3同羧酸盐或亚胺反应却得到了双核或四核氧桥联的钛化合物。 Four titanium complexes of Cp2TiL (1a and 1b), Cp2Ti2Cl2(μ-O) (2), Cp4Ti4Cl4(μ-O)4 (3) (Cp=η^5-C5H5, L=2,6-dipicolinate) have been synthesized and structurally characterized by X-ray diffraction single crystal structural analysis. The crystal structure of complex 1a has the same chemical formula and different space group with that of complex of lb. The molecule of 2 or 3 has a dimeric or tetrameric structure connected by a μ-O ligand, respectively, and the titanium atoms are surrounded by one Cl atom and one O atom. CCDC: 609318, 1a; 609319, 1b; 609320, 2; 609321, 3.
出处 《无机化学学报》 SCIE CAS CSCD 北大核心 2006年第8期1473-1478,共6页 Chinese Journal of Inorganic Chemistry
基金 国家自然基金重点项目(No.20531020)资助项目 中国博士后科学基金(No.2004036333)资助项目
关键词 钛配合物 合成 晶体结构 titanium complex synthesis crystal structure
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