STERICALLY INDUCED OPENING OF A CLOSO CARBAMETALLABORANE - SYNTHESIS AND CHARACTERIZATION OF 1,2-PH2-3-(ETA-C5ME5)-3,1,2-PSEUDOCLOSO-RHC2B9H9

被引：43

作者：

LEWIS, ZG ^{[1
]}

WELCH, AJ ^{[1
]}

机构：

[1] UNIV EDINBURGH,DEPT CHEM,EDINBURGH EH9 3JJ,MIDLOTHIAN,SCOTLAND

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1992年 / 430卷 / 03期

关键词：

D O I：

10.1016/0022-328X(92)83273-K

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The structure of the cage in 1,2-Ph2-3-Cp*-3,1,2-RhC2B9H9 is distorted from icosahedral by repulsion between the two phenyl rings, forced to lie nearly coplanar by the presence of the Cp* ligand. Thus the C(1)...C(2) distance is 2.51 angstrom, and B(6) approaches to within 2.92 angstrom of Rh(3). The nature of the distortion, which engenders the description pseudocloso for the RhC2B9 polyhedron, is discussed in relation to B-11 NMR chemical shifts and to recent controversy over iso-closo versus hyper-closo descriptors.

引用

页码：C45 / C50

页数：6

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