Coordination polymers with [Au(CN)4]- building blocks:: a 1-D chain of molecular NiII2AuIII2 squares

被引：7
|
作者：
Leznoff, Daniel B. [1 ]
Shorrock, Carolyn J. [1 ]
Batchelor, Raymond J. [1 ]
机构：
[1] Simon Fraser Univ, Dept Chem, Burnaby, BC V5A 1S6, Canada
来源：
GOLD BULLETIN | 2007年 / 40卷 / 01期
关键词：
D O I：
10.1007/BF03215290
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new coordination polymer utilizing the neglected cyanoaurate anion [Au(CN)(4)] building block is reported. Reaction of a Ni(II) salt, diethylenediamine (dien) and K[Au(CN)(4)] yields Ni(dien)[Au(CN)(4)](2) which consists of a unique bimetallic NI(II)(2)/Au(III)(2) supramolecular square through cis N(cyano) bridging of the [Au(CN)(4)] building block to [Ni(dien)](2+) cations. These squares further aggregate into a 1-D chain via Au-N(cyano) interactions; no Au(III)-Au(III) interactions are observed. Within the square, the magnetic coupling between the Ni(II) centres is very weak, indicating that the [Au(CN)4] unit is a poor mediator of magnetic exchange in this system.
引用
收藏
页码：36 / 39
页数：4
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