ORGANOLANTHANOIDS .18. THE SYNTHESIS AND X-RAY CRYSTAL-STRUCTURE OF DI[MU-CHLOROBIS(DIPHENYLPHOSPHINO-ETA(5)-CYCLOPENTADIENYL)YTTERBIUM(III)]

被引：12
|
作者：
DEACON, GB
FALLON, GD
FORSYTH, CM
机构：
[1] Chemistry Department, Monash University, Clayton
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1993年 / 462卷 / 1-2期
关键词：
D O I：
10.1016/0022-328X(93)83356-Z
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reaction of the divalent phosphinoytterbocene Yb(C(5)H(4)PPh(2))(2)(THF) (THF = tetrahydrofuran) with mercuric chloride in THF or toluene yields mercury metal and the lanthanoid(III) complex Yb(C(5)H(4)PPh(2))(2)Cl. An X-ray crystal structure of the compound revealed the presence of two independent chloride-bridged dimers (one centrosymmetric, one non-centrosymmetric, in a ratio of 1:2) with uncoordinated Ph(2)P groups and pseudo-tetrahedral eight coordination (two eta(5)-C(5)H(4)PPh(2) and two mu-Cl ligands) at ytterbium. The dimers differ in the arrangement (syn, anti) of the Ph(2)P groups. Solution spectroscopic data suggest that there is P-Yb bonding in toluene.
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页码：183 / 190
页数：8
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