Synthesis and x-ray crystal structure of [1,3-bis(eta(5)-cyclopentadienyl)-1,1,3,3-tetramethyldisiloxane]hafnium(IV) dichloride

被引：0
|
作者：
Klouras, N
Tzavellas, N
Raptopoulou, CP
机构：
[1] UNIV PATRAS,DEPT CHEM,GR-26500 PATRAS,GREECE
[2] NRCPS DEMOKRITOS,INST MAT SCI,GR-15310 ATHENS,GREECE
来源：
MONATSHEFTE FUR CHEMIE | 1997年 / 128卷 / 10期
关键词：
hafnium; cyclopentadienyl; ansa-metallocenes; X-ray analysis;
D O I：
10.1007/BF00806962
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The tetramethyldisiloxane-bridged hafnocene complex [HfCl2{mu-(eta(5)-C5H4)SiMe2OSiMe2(eta(2)-C5H4)}] (1) has been prepared by the reaction of HfCl4 with the dilithiated bis(cyclopentadienyl)disiloxane (LiC5H4SiMe2)(2)O in a molar ratio of 1:2. The new compound was characterized by spectroscopic and X-ray diffraction methods. The crystals are monoclinic of space group P2(1)/c and isostructural with the corresponding complexes of titanium and zirconium. The unit cell dimensions are a = 13.51(1)Angstrom, b = 8.672(7)Angstrom, c = 15.41(1) Angstrom, beta = 97.15(2)degrees, and Z = 4.
引用
收藏
页码：961 / 967
页数：7
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