Synthesis, structure and characterization of two novel mercury(II) complexes with N-(2-aminoethyl)piperazine

被引：6
|
作者：
Li, Jian [1 ]
Ding, Bin [1 ]
Yang, En-Cui [1 ]
Wang, Xiu-Guang [1 ]
Zhao, Xiao-Jun [1 ]
机构：
[1] Tianjin Normal Univ, Coll Chem & Life Sci, Tianjin 300074, Peoples R China
来源：
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2007年 / 633卷 / 02期
关键词：
mercury; N-(2-aminoethyl)piperazine; luminescence; cylic tetranuclear cluster;
D O I：
10.1002/zaac.200600278
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two novel mercury(II) complexes [Hg-II(mu(2)-LH)Cl-2](2)[Hg-2(II)(mu(2)-Cl)(2)Cl-4](.)2H(2)O (1) and [Hg-4(II)(mu(3)-Cl)(2)(mu(2)-Cl)(2)Cl-6] (2) have been synthesized by the reaction of N-(2-aminoethyl)piperazine (L) with HgCl2 under different pH conditions. I and 2 were characterized by single-crystal X-ray diffraction analysis. The results reveal that in I there exist discrete mononuclear [Hg-II(mu(2)-LH)Cl-2](+) units and binuclear [Hg-2(II)(mu(2)-Cl)(2)Cl-4](2+) unit while in 2 there exist the rarely reported discrete cylic tetranuclear [Hg-4(II)(mu(3)-L)(2)(mu(2)-Cl)(2)Cl-6] cluster units, which are both assembled into 3D supramolecular structures via extensive hydrogen-bonding interactions. 1 and 2 were also characterized by element analysis, FT-IR and luminescence spectra.
引用
收藏
页码：346 / 350
页数：5
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