A d10 Ag(i) amine-borane σ-complex and comparison with a d8 Rh(i) analogue: structures on the η1 to η2:η2 continuum

Alice Johnson, Antonio J. Martínez-Martínez, Stuart A. Macgregor, Andrew S. Weller

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H3B·NMe3 σ-complexes of d8 [(L1)Rh][BArF4] and d10 [(L1)Ag][BArF4] (where L1 = 2,6-bis-[1-(2,6-diisopropylphenylimino)ethyl]pyridine) have been prepared and structurally characterised. Analysis of the molecular and electronic structures reveal important but subtle differences in the nature of the bonding in these σ-complexes, which differ only by the identity of the metal centre and the d-electron count. With Rh the amine-borane binds in an η2:η2 fashion, whereas at Ag the unsymmetrical {AgH3B·NMe3} unit suggests a structure lying between the η2:η2 and η1 extremes.

Original languageEnglish
Pages (from-to)9776-9781
Number of pages6
JournalDalton Transactions
Issue number26
Early online date23 Apr 2019
Publication statusE-pub ahead of print - 23 Apr 2019


ASJC Scopus subject areas

  • Inorganic Chemistry

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