Olga V. Rudnitskaya , Milena R. Komarovskikh , Maria G. Pekarskaya , Daniil S. Pshenichnyy , Mehmet Akkurt , Ali N. Khalilov , Ajaya Bhattarai , Ibrahim G. Mamedov
{"title":"Synthesis, molecular and crystal structure of [(NH2)2CSSC(NH2)2]2[RuBr6]Br2·3H2O","authors":"Olga V. Rudnitskaya , Milena R. Komarovskikh , Maria G. Pekarskaya , Daniil S. Pshenichnyy , Mehmet Akkurt , Ali N. Khalilov , Ajaya Bhattarai , Ibrahim G. Mamedov","doi":"10.1107/S2056989024006832","DOIUrl":null,"url":null,"abstract":"<div><p>The [RuBr<sub>6</sub>]<sup>2−</sup> anionic complex has an octahedral structure. The Ru—Br distances fall in the range 2.4779 (4)–2.4890 (4) Å. The S—S and C—S distances are 2.0282 (12) and 1.783 (2) Å, respectively. The H<sub>2</sub>O molecules, Br<sup>−</sup> ions, and NH<sub>2</sub> groups of the cation are linked by hydrogen bonds.</p></div><div><p>The title compound, bis[dithiobis(formamidinium)] hexabromidoruthenium dibromide trihydrate, [(NH<sub>2</sub>)<sub>2</sub>CSSC(NH<sub>2</sub>)<sub>2</sub>]<sub>2</sub>[RuBr<sub>6</sub>]Br<sub>2</sub>·3H<sub>2</sub>O, crystallizes in the orthorhombic system, space group <em>Cmcm</em>, <em>Z</em> = 4. The [RuBr<sub>6</sub>]<sup>2−</sup> anionic complex has an octahedral structure. The Ru—Br distances fall in the range 2.4779 (4)–2.4890 (4) Å. The S—S and C—S distances are 2.0282 (12) and 1.783 (2) Å, respectively. The H<sub>2</sub>O molecules, Br<sup>−</sup> ions, and NH<sub>2</sub> groups of the cation are linked by hydrogen bonds. The conformation of the cation is consolidated by intramolecular O—H⋯Br, O—H⋯O, N—H⋯Br and N—H⋯O hydrogen bonds. The [(NH<sub>2</sub>)<sub>2</sub>CSSC(NH<sub>2</sub>)<sub>2</sub>]<sup>2+</sup> cations form a hydrogen-bonded system involving the Br <sup>−</sup> ions and the water molecules. Two Br <sup>−</sup> anions form four hydrogen bonds, each with the NH<sub>2</sub> groups of two cations, thus linking the cations into a ring. The rings are connected by water molecules, forming N—H⋯O—H⋯Br hydrogen bonds.</p></div>","PeriodicalId":7367,"journal":{"name":"Acta Crystallographica Section E: Crystallographic Communications","volume":"80 8","pages":"Pages 886-889"},"PeriodicalIF":0.5000,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11299746/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Crystallographica Section E: Crystallographic Communications","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/org/science/article/pii/S2056989024001737","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CRYSTALLOGRAPHY","Score":null,"Total":0}
引用次数: 0
Abstract
The [RuBr6]2− anionic complex has an octahedral structure. The Ru—Br distances fall in the range 2.4779 (4)–2.4890 (4) Å. The S—S and C—S distances are 2.0282 (12) and 1.783 (2) Å, respectively. The H2O molecules, Br− ions, and NH2 groups of the cation are linked by hydrogen bonds.
The title compound, bis[dithiobis(formamidinium)] hexabromidoruthenium dibromide trihydrate, [(NH2)2CSSC(NH2)2]2[RuBr6]Br2·3H2O, crystallizes in the orthorhombic system, space group Cmcm, Z = 4. The [RuBr6]2− anionic complex has an octahedral structure. The Ru—Br distances fall in the range 2.4779 (4)–2.4890 (4) Å. The S—S and C—S distances are 2.0282 (12) and 1.783 (2) Å, respectively. The H2O molecules, Br− ions, and NH2 groups of the cation are linked by hydrogen bonds. The conformation of the cation is consolidated by intramolecular O—H⋯Br, O—H⋯O, N—H⋯Br and N—H⋯O hydrogen bonds. The [(NH2)2CSSC(NH2)2]2+ cations form a hydrogen-bonded system involving the Br − ions and the water molecules. Two Br − anions form four hydrogen bonds, each with the NH2 groups of two cations, thus linking the cations into a ring. The rings are connected by water molecules, forming N—H⋯O—H⋯Br hydrogen bonds.
期刊介绍：
Acta Crystallographica Section E: Crystallographic Communications is the IUCr''s open-access structural communications journal. It provides a fast, simple and easily accessible publication mechanism for crystal structure determinations of inorganic, metal-organic and organic compounds. The electronic submission, validation, refereeing and publication facilities of the journal ensure rapid and high-quality publication of fully validated structures. The primary article category is Research Communications; these are peer-reviewed articles describing one or more structure determinations with appropriate discussion of the science.
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