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Synthesis, crystal structure, antibacterial activity and theoretical studies on a novel Zn(II) complex based on 2,4,6-tris(2-pyridyl)-1,3,5-triazine ligand
Journal of Molecular Structure ( IF 4.0 ) Pub Date : 2021-02-25 , DOI: 10.1016/j.molstruc.2021.130187
Gamze Bakir Güven , Murat Çınarlı , Emine Babur Şaş , Önder İdil , Nermin Kahveci Yağcı

It is known that 2,4,6-tri(2-pyridyl)-1,3,5-triazine (tptz) also belongs to noticeable building blocks in both organic and inorganic supramolecular chemistry. We have prepared new Zn(II) complex of 2,4,6-tri(2-pyridyl)-1,3,5-triazine. The new metal complex was characterized by elemental analysis, IR spectra, UV spectra measurements. The molecular structure of [Zn(tptz)(Cl)2] was investigated by X-Ray single crystal technique. From all data, the stoichiometry of the complex was found to be 1:1 (metal/ligand). The all data indicated that the tptz exhibits major coordination site behavior. Potential energy surface (PES) was calculated using the DFT / B3LYP / 6–311 G (d, p) method to determine the lowest energy state of the molecular structure. Geometric structure parameters and vibration wavenumbers calculated according to the lowest energy state were compared with experimental data. The electronic properties such as frontier molecular orbital analysis and Uv-Vis spectrum obtained at acetonitrile solvent and gas phase were also studied.). The [Zn(tptz)(Cl)2] complex was screened for antibacterial activity against Gram-positive, Gram-negative and yeast by using minimal inhibitory concentration method (MIC). [Zn(tptz)(Cl)2] has been found to show significant antimicrobial effects on gram (-), gram (+) and eukaryotic yeast. The DNA binding interactions was also determined experimentally by spectrophotometric and electrochemical methods.



中文翻译:

基于2,4,6-三(2-吡啶基)-1,3,5-三嗪配体的新型Zn(II)配合物的合成,晶体结构,抗菌活性和理论研究

众所周知,2,4,6-三(2-吡啶基)-1,3,5-三嗪(tptz)在有机和无机超分子化学中也属于显着的结构单元。我们准备了新的2,4,6-三(2-吡啶基)-1,3,5-三嗪的Zn(II)配合物。通过元素分析,红外光谱,紫外光谱测量对新型金属配合物进行了表征。[Zn(tptz)(Cl)2的分子结构通过X射线单晶技术进行了研究。从所有数据中,发现该复合物的化学计量为1:1(金属/配体)。所有数据表明,tptz表现出主要的配位点行为。使用DFT / B3LYP / 6–311 G(d,p)方法计算势能表面(PES),以确定分子结构的最低能级。将根据最低能量状态计算出的几何结构参数和振动波数与实验数据进行了比较。还研究了在乙腈溶剂和气相中获得的电子性质,如前沿分子轨道分析和Uv-Vis光谱。)[Zn(tptz)(Cl)2通过使用最小抑菌浓度法(MIC)筛选复合物对革兰氏阳性,革兰氏阴性和酵母菌的抗菌活性。已经发现[Zn(tptz)(Cl)2 ]对革兰氏(-),革兰氏(+)和真核酵母具有显着的抗菌作用。还通过分光光度法和电化学方法实验确定了DNA结合相互作用。

更新日期:2021-03-07
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