Synthesis and characterization of palladium(II) complexes of thioureas. X-ray structures of [Pd(N,N′-dimethylthiourea)4]Cl2 · 2H2O and [Pd(tetramethylthiourea)4]Cl2

被引：0
作者：
Shafqat Nadeem
Muhammad Khawar Rauf
Saeed Ahmad
Masahiro Ebihara
Syed Ahmed Tirmizi
Sarfaraz Ahmed Bashir
Amin Badshah
机构：
[1] Quaid-i-Azam University,Department of Chemistry
[2] Gifu University,Department of Chemistry, Faculty of Engineering
[3] University of Engineering and Technology,Department of Chemistry
[4] Government College Asghar Mall,Department of Chemistry
来源：
Transition Metal Chemistry | 2009年 / 34卷
关键词：
Palladium; Thiourea; Thione; Palladium Atom; K2PdCl4;
D O I：
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学科分类号：
摘要：
Palladium(II) complexes of thiones having the general formula [Pd(L)4]Cl2, where L = thiourea (Tu), methylthiourea (Metu), N,N′-dimethylthiourea (Dmtu), and tetramethylthiourea (Tmtu) were prepared by reacting K2[PdCl4] with the corresponding thiones. The complexes have been characterized by elemental analysis, IR and NMR spectroscopy, and two of these, [Pd(Dmtu)4]Cl2 · 2H2O (1) and [Pd(Tmtu)4]Cl2 (2), by X-ray crystallography. An upfield shift in the >C=S resonance of thiones in 13C NMR and downfield shift in N–H resonance in 1H NMR are consistent in showing sulfur coordination with palladium(II). The crystal structures of the complexes show a square-planar coordination environment around the Pd(II) ions with the average cis and trans S–Pd–S bond angles of 89.64° and 173.48°, respectively.
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页码：197 / 202
页数：5
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