Crystal Structure of a Trinuclear Mercury(II) Cyanide Complex of Tetramethylthiourea, [{(Tetramethylthiourea)2Hg(CN)2}2•Hg(CN)2]

被引：16
|
作者：
Altaf, Muhammad [2 ]
Stoeckli-Evans, Helen [2 ]
Ahmad, Saeed [1 ]
Isab, Anvarhusein A. [3 ]
Al-Arfaj, Abdul Rahman [3 ]
Malik, Muhammad Riaz [4 ]
Ali, Saqib [4 ]
机构：
[1] Univ Engn & Technol, Dept Chem, Lahore 54890, Pakistan
[2] Univ Neuchatel, Inst Phys, CH-2009 Neuchatel, Switzerland
[3] King Fahd Univ Petr & Minerals, Dept Chem, Dhahran 31261, Saudi Arabia
[4] Quaid I Azam Univ, Dept Chem, Islamabad, Pakistan
来源：
JOURNAL OF CHEMICAL CRYSTALLOGRAPHY | 2010年 / 40卷 / 12期
关键词：
Mercury(II) cyanide; Tetramethylthiourea; NMR; X-ray structure; LIGAND SCRAMBLING REACTIONS; X-RAY CRYSTALLOGRAPHY; GROUP; 12; METALS; HETEROCYCLIC THIONES; HALIDE-COMPLEXES; COORDINATION CHEMISTRY; NMR-SPECTROSCOPY; SOLID-STATE; 160; K; DERIVATIVES;
D O I：
10.1007/s10870-010-9818-3
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
The title compound was prepared by reacting mercury(II) cyanide and tetramethylthiourea (Tmtu) in the molar ratio of 1:1.75. It was characterized by IR and NMR (H-1 and C-13) spectroscopy, and X-ray crystallography. The appearance of a band around 2,200 cm(-1) in IR and a resonance around 145 ppm in C-13 NMR indicated the binding of cyanide to mercury(II). The crystal structure of the title complex, [{(tetramethylthiourea)(2)Hg(CN)(2)}(2)center dot Hg(CN)(2)] (1) consists of two independent [(Tmtu)(2)Hg(CN)(2)] moieties bridged by a Hg(CN)(2) unit. The mercury atom in [(Tmtu)(2)Hg(CN)(2)] unit is coordinated to two thione sulfur atoms of Tmtu and to two cyanide carbon atoms in a distorted tetrahedral mode.
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收藏
页码：1175 / 1179
页数：5
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