Mercury(II) and lead(II) complexes with 2,2′-bis(4,5-dimethylimidazole) -: syntheses, characterization and crystal structures of [M(DmImH)(SCN)2], (M = Hg2+ and Pb2+)

被引：12
|
作者：
Morsali, Ali [1 ]
机构：
[1] Tarbiat Modares Univ, Sch Sci, Dept Chem, Tehran, Iran
来源：
JOURNAL OF COORDINATION CHEMISTRY | 2006年 / 59卷 / 09期
关键词：
lead(II); mercury(II); crystal structure; 2,2 '-bis(4,5-dimethylimidazole) ligand;
D O I：
10.1080/00958970500450065
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Mercury(II) and lead(II) complexes with 2,2'-bis(4,5- dimethylimidazole) (DmImH), [Hg(DmImH)(SCN)(2)] and [Pb(DmImH)(NCS)(2)], have been synthesized and characterized by IR specta and elemental analyses. The molecular structure of [Pb(DmImH)(NCS)(2)] n is polymeric with four- coordinate lead atoms. The [Hg(DmImH)(SCN)(2)] complex is built up of monomeric Hg(SCN)(2) units with one "DmImH'' ligand coordinated to the Hg atom via the two N atoms in a distorted tetrahedral environment. The thiocyanate ligands are coordinated to lead via nitrogen, but to mercury via the sulfur. There are pi-pi stacking interactions between the parallel aromatic rings in the mercury(II) complex.
引用
收藏
页码：1015 / 1024
页数：10
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