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NMR‐Spectroscopic Detection of an Elusive Protonated and Coinage Metalated Silicide [NHC Dipp Cu(η 4 ‐Si 9 )H] 2− in Solution

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Streitferdt, Verena ; Tiefenthaler, Susanne M. ; Shenderovich, Ilya G. ; Gärtner, Stefanie ; Korber, Nikolaus ; Gschwind, Ruth M.
Date of publication of this fulltext: 07 Jul 2021 06:04


A simultaneously protonated and functionalized silicide cluster [NHCDippCu(η4-Si9)H]2− was detected and characterized in liquid ammonia by NMR spectroscopy. Key NMR results were corroborated by theoretical calculations. 1H-NMR line-widths at variable temperatures revealed that proton hopping in the metalated complex [NHCDippCu(η4-Si9)H]2− is less pronounced than in the non-complexed silicide ...


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