【摘 要】
：
Reaction of HgCl2 and double betaine ligands in water at about 80 ℃ yielded two new Hg(Ⅱ) complexes, [Hg(L1)Cl2].H2O 1 and [Hg2(L2)Cl4]·3HgCl2 2 (L1 = 1,3-bi
【机 构】
：
Department of Chemistry,State Key Laboratory of Structural Chemistry
【基金项目】
：
This project was financially supported by the National Natural Science Foundation of China;Fujian Provincial Key Laboratory of Nanomaterials
论文部分内容阅读
Reaction of HgCl2 and double betaine ligands in water at about 80 ℃ yielded two new Hg(Ⅱ) complexes, [Hg(L1)Cl2].H2O 1 and [Hg2(L2)Cl4]·3HgCl2 2 (L1 = 1,3-bis(pyridinio-4-carboxylato)-propane, L2 = 1,4-bis(pyridinio-4-carboxylato)-l,4-dimenthylbenzene). Their structures have been characterized by single-crystal X-ray diffraction techniques. The structure of 1 contains 1-D chains, in which the adjacent Hg(Ⅱ) atoms are bridged by L1 ligands in a syn-syn bis-monodentate mode. The chains are further connected through face-to-face π-π stacking interactions between pyridine rings to generate an infinite double-chain network. In 2, two Hg(Ⅱ)atoms are joined by L2 ligands in the same coordination mode as 1 to form an isolated dinuclear structure. The thermal stabilities of both complexes have also been investigated.
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