Synthesis and characterization of silver(I) saccharinate complexes with pyrazole and imidazole ligands: [Ag(sac)(pz)(H2O)]n and [Ag(sac)(im)] · 2H2O

被引:0
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作者
Yilmaz, Veysel T. [1 ]
Hamamci, Sevim [1 ]
Büyükgüngör, Orhan [2 ]
机构
[1] Department of Chemistry, Faculty of Arts and Sciences, Ondokuz Mayis University, 55139 Kurupelit, Samsun
[2] Department of Physics, Faculty of Arts and Sciences, Ondokuz Mayis University, 55139 Kurupelit, Samsun
来源
Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences | 2006年 / 61卷 / 02期
关键词
Imidazole; Pyrazole; Saccharinate; Silver;
D O I
10.1515/znb-2006-0212
中图分类号
学科分类号
摘要
Two new silver(I) saccharinate (sac) complexes, [Ag(sac)(pz)(H 2O)]n (1) and [Ag(sac)(im)] · 2H2O (2) (pz = pyrazole and im = imidazole), have been prepared and characterized by elemental analysis, IR spectroscopy, thermal analysis and single crystal-X-ray diffraction. Complexes 1 and 2 crystallize in the monoclinic space group P2 1/c and triclinic space group P1, respectively. The sac, pz and im ligands all are N-coordinated. In 1, the [Ag(sac)(pz)] units are bridged by aqua ligands to generate a one-dimensional helical chain, in which the silver(I) ions exhibit a distorted square-planar AgN2O2 coordination geometry. The polymeric chains are connected by N-H⋯O hydrogen bonds into sheets, which are further linked by aromatic π(pz)⋯π(sac) stacking interactions into a three-dimensional supramolecular network. Complex 2 consists of individual molecules containing linearly coordinated silver(I) ions with a slightly distorted coordination of AgN2. The molecules interact with each other through hydrogen bonds and π⋯π interactions to form a three-dimensional supramolecular network. © 2006 Verlag der Zeitschrift für Naturforschung.
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页码:189 / 193
页数:4
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