Crystal structure of catena -poly[[[diaqua[1,2-bis(pyridin-4-yl)ethene]{4-[2-(pyridin-4-yl)ethenyl]pyridinium}gold(I)iron(II)]-di-μ-cyanido] bis[dicyanidogold(I)] 1,2-bis(pyridin-4-yl)ethene dihydrate]

In the title compound [Fe(bpe)(Hbpe)Au(CN) 2 ][Au(CN) 2 ] 2 ·bpe·2H 2 O} n [where bpe = 1,2-bis(pyridin-4-yl)ethene, C 12 H 10 N 2 ], the Fe II ion is coordinated in a distorted octahedral [FeN 4 O 2 ] environment by two dicyanoaurate anions, two water molecules and two partially protonated 1,2-di(4...

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Published inActa crystallographica. Section E, Crystallographic communications Vol. 76; no. 6; pp. 944 - 947
Main Authors Partsevska, Sofiia V., Naumova, Dina D., Matushko, Igor P., Shova, Sergiu, Gural'skiy, Il'ya A.
Format Journal Article
LanguageEnglish
Published International Union of Crystallography 01.06.2020
Subjects
aurophilic interactions
crystal structure
dicyanoaurate
iron(ii) complex
polymeric complex
Research Communications
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Summary:In the title compound [Fe(bpe)(Hbpe)Au(CN) 2 ][Au(CN) 2 ] 2 ·bpe·2H 2 O} n [where bpe = 1,2-bis(pyridin-4-yl)ethene, C 12 H 10 N 2 ], the Fe II ion is coordinated in a distorted octahedral [FeN 4 O 2 ] environment by two dicyanoaurate anions, two water molecules and two partially protonated 1,2-di(4-pyridyl)ethylene molecules. Dicyanoaurate anions bridge the Fe II cations, forming infinite chains, which propagate along the a- axis direction. The chains are connected via aurophilic interactions with two non-coordinated dicyanoaurate anions for each Fe II ion. The polymeric chains interact with each other via π–π stacking between the guest bpe molecules and multiple hydrogen bonds.
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ISSN:2056-9890
2056-9890
DOI:10.1107/S2056989020006738