CRYSTAL AND MOLECULAR STRUCTURES OF BIS （CYCLOPENTADIENYL） BIS （2,4,6-TRICHLOROPHENOXY）TITANIUM, Cp2Ti（OC6H2Cl3-2,4,6）2 （Ⅰ） AND TETRAKIS（CYCLOPENTADIENYL）BIS （4-CHLOROPHENOXY）-μ-OXO-DIZIRCONIUM,[Cp2Zr（OC6H4Cl-p）]2O （Ⅱ）

被引：0

作者：

杨清传

金祥林

徐筱杰

李根培

唐有祺

陈寿山

机构：

[1] Peking University

[2] Institute of Elemento-organic Chemistry

[3] Institute of Physical Chemistry

[4] Nankai University

来源：

Science in China,SerB. | 1982年 / Ser.B.1982卷 / 04期

关键词：

Cp2Zr; Cp2Ti; CYCLOPENTADIENYL)BIS; OC6H4Cl-p; AND TETRAKIS; CHLOROPHENOXY; CYCLOPENTADIENYL; OXO-DIZIRCONIUM; Cl;

D O I：

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中图分类号：

学科分类号：

摘要：

The crystal and molecular structures of （Ⅰ） and （Ⅱ） have been determined from single-crystal, X-ray diffraotion data collected by counter methods. Compound （Ⅰ） crystallizes inthe monoclinic space group C 2/c with a=19.618（11） ?, b=9.356（4） ?, c=15.985（8） ?,β=128.84 （3）°, Z=4. The molecule possesses Cpoint symmetry. Compound （Ⅱ） erystallizesin the monoclinic space group P 2/a with a=8.329（2） ?, b=36.509（13） ?, c=10.647（4）?, β=96.04（2）°, Z=4. The oxo-bridge links two [CpZr（OCHCl-p）] units together withthe bond angle Zr-O-Zr of 161.1（9）°. The relatively shorter Zr-O bond lengths show the pre-sence of partial double-bond character. Both Ti and Zr atoms have d° electronic configura-tion in （Ⅰ） and （Ⅱ）. The M-O bonds of the two compounds are discussed.

引用

页码：356 / 366

页数：11

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