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Studies on dehydration and thermal decomposition of Tris(2,2′-Bipyridyl) ruthenium(II) chloride and sulphate

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Abstract

Tris(bipyridyl) ruthenium(II) chloride and sulphate have been synthesized and investigated using thermal analysis. It follows from the experimental data that both compounds are heptahydrates stable at room temperature.

The [Ru(bipy)3]2+ complex is stable up to 300‡, irrespective of the nature of the anion bound with it. The final decomposition product of the chloride is metallic ruthenium, while that of the sulphate is ruthenium dioxide.

Zusammenfassung

Tris(bipyridyl) ruthenium(II)-chlorid und -sulfat wurden synthetisiert und thermoanalytisch untersucht. Beide Verbindungen sind Heptahydrate und stabil bei Raumtemperatur. Der [Ru(byp)3]2+-Komplex ist stabil bis 300 ‡C, unabhÄngig von der Art des Anions. Endprodukt der Zersetzung des Chlorids ist metallisches Ruthenium, der des Sulfats dagegen Rutheniumdioxid.

РЕжУМЕ

пРОВЕДЕНО тЕРМИЧЕск ОЕ ИсслЕДОВАНИЕ сИНтЕжИРОВАННых тРИ (БИпИРИДИл) РУтЕНИИ хлОРИДНОгО И сУльФАт НОгО кОМплЕксА. ЁкспЕРИМЕНтАльНыЕ Р ЕжУльтАты пОкАжАлИ, Ч тО ОБА кОМплЕксА ьВльУтсь г ЕптАгИДРАтАМИ, стАБИ льНыМИ пРИ кОМНАтНОИ тЕМпЕРАтУ РЕ. кАтИОН Ru(БИпИРИДИл) 2+3 , НЕжАВИсИ МО От пРИРОДы АНИОНА, ь ВльЕтсь стАБИльНыМ ДО 300‡. кОНЕ Ч НыМ пРОДУктОМ РАжлОжЕНИ ь хлОРИДНОгО кОМплЕк сА ьВльЕтсь МЕтАллИЧЕскИИ РУтЕН ИИ, А сУльФАтНОгО — ДВУОк Ись РУтЕНИь.

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Authors and Affiliations

  1. Institute of Inorganic Chemistry and Technology, Technical University of Gdańsk, 80-952, Gdańsk, Poland

    H. Warachim & A. Bujewski

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  1. H. Warachim
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  2. A. Bujewski
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Warachim, H., Bujewski, A. Studies on dehydration and thermal decomposition of Tris(2,2′-Bipyridyl) ruthenium(II) chloride and sulphate. Journal of Thermal Analysis 29, 1001–1004 (1984). https://doi.org/10.1007/BF02188850

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