Syntheses and characterization of cationic (tris(pyrazolyl)methane)silver(I) complexes. Solid-state structures of {[HC(3,5-Me(2)pz)(3)]Ag-2}(O3SCF3), {[HC(3-Bu(t)pz)(3)]Ag}(O3SCF3), and {[HC(3-Bu(t)pz)(3)]Ag(CNBu(t))}(O3SCF3)

被引：57

作者：

Reger, DL ^{[1
]}

Collins, JE ^{[1
]}

Rheingold, AL ^{[1
]}

LiableSands, LM ^{[1
]}

Yap, GPA ^{[1
]}

机构：

[1] UNIV DELAWARE,DEPT CHEM & BIOCHEM,NEWARK,DE 19716

来源：

ORGANOMETALLICS | 1997年 / 16卷 / 03期

关键词：

D O I：

10.1021/om960481o

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Reaction of Ag(O3SCF3) with 2 equiv of HC(3,5-Me(2)pz)(3) in tkf provides the stable six-coordinate ''sandwich'' complex {[HC(3,5-Me(2)pz)(3)]Ag-2}(O3SCF3). The solid-state structure shows that the coordination geometry about the silver is a trigonally distorted octahedron. Substantial tilting of the pyrazolyl rings away from alignment with the metal is observed in this six-coordinate complex, with the average AgN-NC torsion angles of the rings = 137 degrees. Reaction of equimolar amounts of Ag(O3SCF3) and HC(3-Bu(t)pz)(3) yields {[HC(3-Bu(t)pz)(3)]Ag}(O3SCF3). Addition of 1 molar equiv of Bu(t)NC to a CH2Cl2 solution of {[HC(3-Bu(t)pz)(3)]Ag}(O3SCF3) yields {[HC(3-Bu(t)pz)(3)]Ag(CNBu(t))}(O3SCF3). The solid-state structures of both cations are very similar and show pseudotetrahedral geometry about silver. An oxygen atom from the triflate group provides the fourth donor atom in the structure of {[HC(3-Bu(t)pz)(3)]Ag}(O3SCF3).

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页码：349 / 353

页数：5

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