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Argentophilicity as essential driving force for a dynamic cation-cation host-guest system: [Ag(acetonitrile)2]+⊂[Ag2(bis-NHC)2]2+ (NHC = N-heterocyclic carbene)

AuthorsVellé, Alba; Cebollada, Andrea ; Iglesias, Manuel ; Sanz Miguel, Pablo J.
Issue Date2014
PublisherAmerican Chemical Society
CitationInorganic Chemistry 53(19): 10654-10659 (2014)
AbstractA cationic [Ag2(bis-NHC)2]2+ system behaves as an excellent host for Ag+. In the solid-state variation, Ag⋯Ag are the only bonding interactions between host and guest, overcoming their inherent electrostatic repulsion. It represents a clear example of ligand-unsupported (>pure>) argentophilicity. In solution, we also found evidence for this kind of Ag⋯Ag approximation, which might be recognized as an initial step of transmetalation mechanisms involving formally closed-shell metal centers as transferring agents.
Identifiersdoi: 10.1021/ic501715h
issn: 0020-1669
e-issn: 1520-510X
Appears in Collections:(ISQCH) Artículos
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