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首页> 外文期刊>Journal of Chemical Crystallography >A Redetermination of the Structure of 5,5′-Dithiobis(2-nitrobenzoic acid) monohydrate
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A Redetermination of the Structure of 5,5′-Dithiobis(2-nitrobenzoic acid) monohydrate

机译:重新确定5,5'-二硫代双(2-硝基苯甲酸)一水合物的结构

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摘要

The structure of the monohydrate of 5,5′-dithiobis(2-nitrobenzoic acid) has been redetermined and is reported in full. The compound crystallises in the centrosymmetric space group Pccn with unit cell parameters a = 11.3441(12), b = 13.7986(10), and c = 10.2422(7) Å, V = 1603.2 (2) Å3. The structure was determined at 120 K and the location of hydrogen atoms identified by difference Fourier methods. The 5,5′-dithiobis(2-nitrobenzoic acid) molecules are arranged in sheets sustained by hydrogen bonds to water. Pairs of carboxylic acid groups are bridged by hydrogen bonds to two molecules of water in a rare embrace with graph set notation C 4 3 (12). Between the sheets there are other S···π and C–H···O interactions. The solid state voltammetry and thermogravimetry of the compound are also reported.
机译:已经重新确定了5,5'-二硫代双(2-硝基苯甲酸)的一水合物的结构,并进行了全面报道。该化合物在中心对称空间群Pccn中结晶,晶胞参数为a = 11.3441(12),b = 13.7986(10)和c = 10.2422(7)Å,V = 1603.2(2)Å3。在120 K下确定结构,并通过差异傅立叶方法确定氢原子的位置。 5,5'-二硫代双(2-硝基苯甲酸)分子排列成片状,并通过氢键与水结合。成对的羧酸基团通过氢键桥接到两个水分子上,处于稀有状态,图形集符号为C 4 3 (12)。在薄片之间还有其他S···π和C–H···O相互作用。还报道了该化合物的固态伏安法和热重法。

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