First X-ray structures of ethylene bridged neutral dimeric hexacoordinate silicon complexes with tetradentate salen-type ligands

被引：11

作者：

Wagler, J ^{[1
]}

Roewer, G ^{[1
]}

机构：

[1] Tech Univ Bergakad Freiberg, Inst Anorgan Chem, D-09596 Freiburg, Germany

来源：

ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 2005年 / 60卷 / 07期

关键词：

doubledecker; hexacoordinate; hypercoordination; Schiff base; silicon;

D O I：

10.1515/znb-2005-0702

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Syntheses and structures of two novel "doubledecker" silicon complexes [R-Si(o-O-P-OMe-C6H3C(Ph)=N-(CH2)(2)-N=C(Ph)-C6H3-p-OMe-o-O)-CH2-](2) (R = Ph, p-tBu-C6H4-O) with the silicon atoms hexacoordinated by two salen-type tetradentate < OATNO >-chelating ligands are described. Hydrogen bonding between the halves of the bridged complexes as well as with chloroform solvate molecules determines the conformation. Compared with analogous mononuclear silicon complexes these "doubledeckers" show bathochromically shifted Vis-absorption.

引用

页码：709 / 714

页数：6

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