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Sonochemical Synthesis, Crystal Structure and Thermal Behavior of a New Thallium(I) Supramolecular Polymer with Hydrogen and Bromine-Oxygen Halogen Bonds
Inorganic Chemistry Communications ( IF 3.8 ) Pub Date : 2020-05-01 , DOI: 10.1016/j.inoche.2020.107864
Ashkan Kianimehr , Kamran Akhbari , Jonathan White , Anukorn Phuruangrat

Abstract A new thallium(I) supramolecular polymer, [Tl(μ5-HTBT)(H2O)]n (1), (H2TBT = tetra bromo terephthalic acid), with monoclinic crystal system and P21/c space group has been synthesized and structurally characterized by single crystal X-ray crystallography. The coordination sphere around thallium(I) ion can be considered as O4Tl···O2Br3. Each HTBT− acts as a five-fold-donor ligand. Secondary hydrogen bonding interactions and Br···O halogen bonds also exist in 1. Microstructure of compound 1 was also synthesized with sonochemical procedure. Removal of coordinated water molecule from 1 was investigated in static atmosphere of air which showed different behavior in comparison with that obtained from its TGA (Thermo gravimetric analysis) in static atmosphere of nitrogen. These studies were confirmed with IR spectroscopy, TGA, X-ray powder diffraction (XRD) and scanning electron microscopy (SEM).

中文翻译:

具有氢和溴-氧卤素键的新型铊 (I) 超分子聚合物的声化学合成、晶体结构和热行为

摘要 合成了一种具有单斜晶系和 P21/c 空间群的新型铊 (I) 超分子聚合物 [Tl(μ5-HTBT)(H2O)]n (1), (H2TBT = 四溴对苯二甲酸)用单晶 X 射线晶体学表征。铊(I)离子周围的配位球可以认为是O4Tl...O2Br3。每个 HTBT− 充当五重供体配体。二级氢键相互作用和Br···O卤素键也存在于1中。化合物1的微观结构也是用声化学方法合成的。在空气的静态气氛中研究了从 1 中去除配位水分子的过程,与在氮气的静态气氛中从其 TGA(热重分析)获得的行为相比,该行为表现出不同的行为。这些研究得到了红外光谱、TGA、
更新日期:2020-05-01
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