A. G. Medvedev, T. A. Tripol’skaya, E. A. Mel’nik, P. A. Egorov, N. S. Mayorov, A. A. Mikhaylov, O. Lev, P. V. Prikhodchenko
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引用次数: 0
摘要
摘要 通过过氧化二硫酸铵水溶液与过氧化锌和氢氧化钡的相互作用，分别合成了过氧化二硫酸锌（II）四水合物[Zn(NH3)4]S2O8（I）和过氧化二硫酸钡（II）四水合物 BaS2O8-4H2O。晶体结构（CIF 文件 CCDC 编号：2311248（I）和 2311249（II））是通过单晶 X 射线衍射测定的。以前曾报道过 I 的 X 射线粉末衍射结构数据，现在对其晶体结构进行了重新测定和澄清。I 的晶体结构由平行于 b 轴的氢键链组成，相邻氢键链之间以三维结构连接。化合物 II 是配位聚合物，钡阳离子的配位数为 9。II 的晶体结构由水分子通过 H 键固定的通道组成。通过 DTA 和 TGA 对化合物 I 和 II 进行表征，发现其热稳定性分别高达 170°C 和 90°C。
Crystal Structure of Tetraammine Zinc(II) Peroxodisulfate and Barium Peroxodisulfate Tetrahydrate
Zinc(II) tetraammine peroxodisulfate [Zn(NH3)4]S2O8 (I) and barium peroxodisulfate tetrahydrate BaS2O8·4H2O (II) were synthesized by interaction of an aqueous solution of ammonium peroxodisulfate with a zinc peroxide and barium hydroxide, respectively. The crystal structures (CIF file CCDC nos. 2311248 (I) and 2311249 (II)) were determined by single crystal X-ray diffraction. The crystal structure of I, for which X-ray powder diffraction structural data were previously reported, has been redetermined and clarified. The crystal packing of I consists of hydrogen-bonded chains parallel to the b-axis connected in a three-dimensional structure with H-bonds between adjacent chains. The compound II is coordination polymer with coordination number of barium cation equal to 9. The crystal packing of II consists of channels in which water molecules are held by H-bonds. Compounds I and II were characterized by DTA and TGA revealing thermal stability up to 170 and 90°C.
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Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
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