Synthesis of Group 10 polyfluorothiolate mono- and bi-nuclear complexes.: Crystal structures of [Ni(SC6HF4)2(dppe)], [(dppe)Ni(μ-SC6HF4)2Pd(C6F5)2] and [(dppe)Ni(μ-SC6F5)2Pd(C6F5)2]

被引:17
作者
Usón, MA [1 ]
Llanos, JM [1 ]
机构
[1] Univ Zaragoza, CSIC, Dept Quim Inorgan, Inse Ciencia Mat Aragon, E-50009 Zaragoza, Spain
关键词
organometallic compounds; pi-pi interactions; thiolates; Group; 10; homo- and heterobinuclear; crystal structures;
D O I
10.1016/S0022-328X(02)01734-5
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Complexes of the general formula cis-[M(2,3,5,6-SC6HF4)(2)(L-L)] (M = Ni, Pd, Pt; L-L = dppm [bis(diphenylphosphino)methane], dppe [1,2-bis(diphenylphosphino)ethane]) have been synthesized (yield > 75%) by the reaction (1:2) between the corresponding cis-[MCl2(L-L)] and Tl(SC6HF4). These compounds, when treated with cis-[M(C6F5)(2)(THF)(2)] (M = Pd, Pt; THF = OC4H8), quantitatively give rise to homo- or heterobinuclear compounds, (including two pairs of coordination position isomers). All of them have been characterized through IR, NMR and Mass spectrometries. The crystal structures of [Ni(SC6HF4)2(dppe)], [(dppe)Ni(mu-SC6HF4)(2)Pd(C6F5)(2)] and [(dppe)Ni(mu-SC6F5)(2)Pd(C6F5)(2)] have been determined, and the different interfacial pi-pi interactions between aromatic rings, which depend on the nature of the polyfluorothiolate ring, are analyzed. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:98 / 107
页数:10
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