Synthesis and X-ray structure of [NBu(4)][{Pt(C6F5)(2)}(2)(mu-C6F5)(2){mu-Ag(SC4H8)}] (SC4H8=tetrahydrothiophene). Evidence of the existence of intramolecular Ag center dot center dot center dot F interactions in solution and in the solid state

被引：13

作者：

Casas, JM ^{[1
]}

Fornies, J ^{[1
]}

Martin, A ^{[1
]}

Menjon, B ^{[1
]}

Tomas, M ^{[1
]}

机构：

[1] UNIV ZARAGOZA,CSIC,INST CIENCIA MAT ARAGON,DEPT QUIM INORGAN,E-50009 ZARAGOZA,SPAIN

来源：

POLYHEDRON | 1996年 / 15卷 / 20期

关键词：

D O I：

10.1016/0277-5387(96)00070-8

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The title complex (2) has been synthesized by 1:1 reaction of [NBu(4)](2)[{Pt(C6F5)(2)}(2)(mu-C6F5)(2)] with [Ag(OClO3)(SC4H8)] in CH2Cl2. The structure of 2 . 0.5C(6)H(14) has been determined by single-crystal X-ray diffraction methods. Complex 2 contains two Pt-Ag bonds unsupported by other covalent bridges [Pt(1)-Ag = 2.799(1), Pt(2)-Ag = 2.824(1) Angstrom]. The platinum atoms are bridged by two pentafluorophenyl groups and the silver atom. The bridging pentafluorophenyl groups are oriented in such a way that the silver atom makes short contacts with two of their ortho-fluorine atoms [Ag...F(30) = 2.643(5), Ag...F(32) = 2.716(6) Angstrom]. These o-F...Ag contacts can also be observed in the F-19 NMR spectrum of 2. This is the first time that such contacts have been detected in solution. Copyright (C) 1996 Elsevier Science Ltd

引用

页码：3599 / 3604

页数：6

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