Synthesis and reactivity of silicon transition metal complexes, 43 -: Iron and ruthenium fragment substituted disilanes C5R5(OC)2M-Si2X5 (R = H, Me; M = Fe, Ru; X = Cl, H):: Synthesis, structural and Raman spectroscopic characterisation, DFT calculation

被引：0

作者：

Malisch, W

Jehle, H

Möller, S

Thum, G

Reising, J

Gbureck, A

Nagel, V

Fickert, C

Kiefer, W

Nieger, M

机构：

[1] Univ Wurzburg, Inst Anorgan Chem, D-97074 Wurzburg, Germany

[2] Univ Wurzburg, Inst Phys Chem, D-97074 Wurzburg, Germany

[3] Univ Bonn, Inst Anorgan Chem, D-53121 Bonn, Germany

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 1999年 / 09期

关键词：

metallo-disilanes; ligand exchange at silicon; transition metal effect; Raman spectroscopy; density functional theory;

D O I：

暂无

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction of the sodium metalates Na[M(CO)(2)C5R5] [M = Fe, R = H (1a), Me (1b); M = Ru, R = H (1c), Me (1d)] with an equimolar amount of hexachlorodisilane yields the metallopentachlorodisilanes C5R5(OC)(2)M-SiCl2-SiCl3 (2a-d), which can be converted into the pentahydrido analogues C5R5(OC)(2)M-SiH2-SiH3 (3a-c) via Cl/H exchange with LiAlH4. Due to the activating effect of the transition metal fragment chlorination of 3a-c with CCl4 or HCCl3 occurs at the alpha-silicon to give C5R5(OC)(2)M-SiCl2-SiH3 (4a-c). The metallo-disilanes were characterised by H-1-. C-13-, Si-29-NMR, IR and especially Raman spectroscopy. The structures of C5H5(OC)(2)Fe-Si2Cl5 (2a) and C5Me5(OC)(2)Fe-Si2H5 (3b) have been determined by X-ray analysis; 2a,b, 3a,b were theoretically described by DFT calculations.

引用

页码：1597 / 1605

页数：9

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