Synthesis, spectroscopic characterization, crystal structure and thermal analyses of two zinc(II) complexes with methanolysis of 2-pyridinecarbonitrile as a chelating ligand

被引：0
作者：
Vahid Amani
Roya Ahmadi
Mohamad Naseh
Amin Ebadi
机构：
[1] Farhangian University,Department of Chemistry, Shahid Beheshti Campus
[2] Islamic Azad University,Department of Chemistry, Yadegar
[3] Islamic Azad University,e
[4] Islamic Azad University,Imam Khomeini (RAH) Branch
来源：
Journal of the Iranian Chemical Society | 2017年 / 14卷
关键词：
Crystal structure; Zinc(II) complexes; 2-Pyridinecarbonitrile; -Methylpyridine-2-carboximidate; Luminescence spectroscopy; Thermal analyses;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Zinc(II) complexes, [Zn(MPCA)3][ZnCl4] (1) and [Zn(MPCA)3][ZnBr4] (2) (where MPCA is O-methylpyridine-2-carboximidate), were synthesized from the reaction of ZnCl2 and ZnBr2 with 2-pyridinecarbonitrile in methanol, respectively. Both complexes were thoroughly characterized by elemental analysis, thermogravimetric analysis, differential thermal analysis and IR, UV–Vis, 1H NMR spectroscopy, and their structures have been determined by the single-crystal X-ray diffraction. The spectroscopic investigations and X-ray structural analysis indicated that in both complexes, the nitrile group of ligand has been methoximation in methanol solvent in the presence of zinc(II) salts. The luminescence spectra of both complexes show that the intensity of their emission bands is stronger than that of the bands for the free O-methylpyridine-2-carboximidate ligands.
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页码：635 / 642
页数：7
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