Donor-stabilized galliumdihalides Ga2X4•2D (X = Cl, Br; D = donor):: An experimental contribution on the variation of the gallium-gallium single bond

被引：14

作者：

Duan, T ^{[1
]}

Schnöckel, H ^{[1
]}

机构：

[1] Univ Karlsruhe, TH, Inst Anorgan Chem, D-76128 Karlsruhe, Germany

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2004年 / 630卷 / 15期

关键词：

gallium-gallium bond; gallium subhalide; crystal structure;

D O I：

10.1002/zaac.200400321

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

During the disproportionation of metastable GaX-solutions (X = Cl, Br) donor-stabilized galliumdihalides are formed as oxidized products. According to X-ray structure analyses they all exhibit dimeric entities DX2Ga-GAX(2)D (D = THF, NHEt2, NEt3, 4-'Butylpyridin or Br-), which means these compounds are isoelectronic with ethane and could schematically be regarded as representatives of catenulate or alkane-like gallium subhalides: Ga-n(X,D)(2n+2). The gallium-gallium bond in these compounds is shorter than in the organometallic compounds such as R2Ga-GaR2. The comparison of the bonding situation in the galliumdihalides, particularly of the gallium-gallium bond, shows clearly the influence by donor molecules as well as by halogen ligands.

引用

页码：2622 / 2626

页数：5

共 24 条

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