THE SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF A PENTA-PALLADIUM CLUSTER, [PD5(MU-SO2)3(MU-CNXYL)2(CNXYL)5], WITH LINEAR BRIDGING ISOCYANIDE LIGANDS

被引：13

作者：

BURROWS, AD ^{[1
]}

FLEISCHER, H ^{[1
]}

MINGOS, DMP ^{[1
]}

机构：

[1] UNIV OXFORD,INORGAN CHEM LAB,OXFORD OX1 3QR,ENGLAND

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1992年 / 433卷 / 03期

关键词：

D O I：

10.1016/0022-328X(92)80157-S

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The cluster compound [Pd5(mu-SO2)3(mu-CNXyl)2(CNXyl)5] (Xyl = C6H3(CH3)2-2,6) has been obtained in high yield from the reaction between the palladium(0) compound [Pd2(dba)3].CHCl3 (dba = {PhCH:CH}2CO) and XylNC under an atmosphere of sulphur dioxide. The molecular structure of [Pd5(mu-SO2)3(mu-CNXyl)2(CNXYl)5].THF has been determined by single-crystal X-ray diffraction. The structure is based on an edge-bridged tetrahedron of palladium atoms, with three edges bridged by sulphur dioxide ligands and two edges bridged by isocyanide ligands. Each palladium atom also carries a terminal isocyanide ligand. The CNC angles in the bridging isocyanides are almost linear, which is most unusual. This leads to higher than expected values for the nu(NC) stretching modes in the infrared spectrum of this compound.

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页码：311 / 321

页数：11

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