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Structural organization of dithiocarbamate heteropolynuclear gold(III)-cadmium complexes from X-ray crystallography and 113Cd MAS NMR spectroscopy data
Institute of Geology and Nature Management, Far East Branch, Russian Academy of Sciences, Blagoveshchensk.
Amur State University, Blagoveshchensk, Russian Federation.
Institute of Geology and Nature Management, Far East Branch, Russian Academy of Sciences, Blagoveshchensk.
Institute of Geology and Nature Management, Far East Branch, Russian Academy of Sciences, Blagoveshchensk.
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2013 (English)In: Journal of Structural Chemistry, ISSN 0022-4766, E-ISSN 1573-8779, Vol. 54, no 3, p. 598-606Article in journal (Refereed) Published
Abstract [en]

We study the interaction of dialkyl substituted and cyclic cadmium dithiocarbamates with [AuCl4]− anions in 2M HCl medium. The state of the chemisorbents upon contact with AuCl3 solutions is controlled by 113Cd MAS NMR spectroscopy. The result of the heterogeneous reactions involving chemisorption binding of gold(III) from the solutions and partial ion exchange is the formation of heteropolynuclear gold(III)-cadmium complexes. The crystal and molecular structure of the acetone-solvated form of polymeric bis-(N,N-diethyldithiocarbamato-S,S′) gold(III) hexachlorodicadmate is identified by single-crystal XRD. The main structural moieties of the compound are complex [Au{S2CN(C2H5)2}2]+ cations and [Cd2Cl6]2− anions. The structural self-organization of the complex at the supramolecular level is attributed to the secondary Au…S bonds between neighboring isomeric complex gold(III) cations; the bonding results in the formation of linear polymer ([Au{S2CN(C2H5)2}2]+) n chains, with [Cd2Cl6]2− anions alternating to the right and left of the chains.

Place, publisher, year, edition, pages
2013. Vol. 54, no 3, p. 598-606
National Category
Physical Chemistry
Research subject
Chemistry of Interfaces
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URN: urn:nbn:se:ltu:diva-3410DOI: 10.1134/S0022476613030207Local ID: 13d15878-3fd3-4cd2-be02-57ba58acf11dOAI: oai:DiVA.org:ltu-3410DiVA: diva2:976268
Note
Validerad; 2013; 20130813 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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