Origin and location of electrons and protons during the formation of intermetalloid clusters [Sm@Ga(3-x)H(3-2x)Bi(10+x)](3-) (x = 0, 1)

Reaction of [GaBi3](2-) with [Sm(C5Me4H)3] yielded the first protonated ternary intermetalloid clusters [Sm@Ga(3-x)H(3-2x)Bi(10+x)](3-) (1; x = 0,1). The presence of the Ga-H bonds and the transfer of electrons and protons during the formation of 1 were elucidated by a combination of experimental an...

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Published in:Angewandte Chemie International Edition 2014-10, Vol.53 (44), p.11979-11983
Main Authors: Weinert, Bastian, Müller, Fabian, Harms, Klaus, Clérac, Rodolphe, Dehnen, Stefanie
Format: Article
Language:English
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Summary:Reaction of [GaBi3](2-) with [Sm(C5Me4H)3] yielded the first protonated ternary intermetalloid clusters [Sm@Ga(3-x)H(3-2x)Bi(10+x)](3-) (1; x = 0,1). The presence of the Ga-H bonds and the transfer of electrons and protons during the formation of 1 were elucidated by a combination of experimental and quantum chemical methods, thereby rationalizing the role of the solvent ethane-1,2-diamine as a Brønsted acid. As an organic by-product, we observed the previously unknown octamethylfulvene (2) upon C-C coupling of (C5Me4H)(-).
ISSN:1521-3773
DOI:10.1002/anie.201407288