UNUSUAL BRIDGING OF THE METAL CENTERS IN A HETEROMETALLIC TITANIUM PLATINUM COMPLEX - X-RAY STRUCTURE OF [CP2TI(MU-2-ETA-1-CC-T-BU)2PT(C6F5)2].CH2CL2

被引：64
|
作者：
BERENGUER, JR
FALVELLO, LR
FORNIES, J
LALINDE, E
TOMAS, M
机构：
[1] UNIV LA RIOJA, DEPT QUIM, E-26001 LOGRONO, SPAIN
[2] UNIV ZARAGOZA, CSIC, INST CIENCIA MAT ARAGON, DEPT QUIM INORGAN, E-50009 ZARAGOZA, SPAIN
来源：
ORGANOMETALLICS | 1993年 / 12卷 / 01期
关键词：
D O I：
10.1021/om00025a003
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The reaction between [Cp2Ti(C=C(t)Bu)2] (1) and [cis-Pt(C6F5)2(THF)2] gives the mixed complex [Cp2-Ti(mu2-eta1-C=C(t)Bu)2Pt(C6F5)2] (2), which has been shown by X-ray crystallography to contain a system of two asymmetric mu2-eta1-alkynyl ligands bridging both metal centers. Complex 2 crystallizes as the dichloromethane solvate in the monoclinic crystal system, space group P2(1)/n, with a = 133.725 (2) angstrom, b = 15.875 (2) , c = 16.424 (3) angstrom, beta = 99.58 (2)-degrees, V = 3529 (1) angstrom3, and Z = 4. A model of 447 parameters was refined to 3586 diffraction data, giving residuals of R = 0.0390, R(w) = 0.0558, and quality-of-fit = 1.367. The Pt-Ti distance is 2.831 (2) angstrom.
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页码：6 / 7
页数：2
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