Stable Complexes of Parent Digermene: An Inorganic Analogue of Ethylene

The elusive parent inorganic ethylene H2GeGeH2 has been isolated in the form of a stable complex for the first time via donor–acceptor coordination with suitable Lewis base/acid combinations (LB·H2Ge-GeH2·LA; LB = N-heterocyclic carbene or N-heterocyclic olefin; LA = W(CO)5). The nature of the bondi...

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Bibliographic Details
Published in:Organometallics 2013-11, Vol.32 (22), p.6658-6665
Main Authors: Al-Rafia, S. M. Ibrahim, Momeni, Mohammad R, Ferguson, Michael J, McDonald, Robert, Brown, Alex, Rivard, Eric
Format: Article
Language:English
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Summary:The elusive parent inorganic ethylene H2GeGeH2 has been isolated in the form of a stable complex for the first time via donor–acceptor coordination with suitable Lewis base/acid combinations (LB·H2Ge-GeH2·LA; LB = N-heterocyclic carbene or N-heterocyclic olefin; LA = W(CO)5). The nature of the bonding in these species was investigated by density functional theory calculations and revealed the presence of polarized Ge–Ge covalent σ-bonds within the H2Ge–GeH2 arrays and dative Ge–C interactions between the digermene and the carbon-based Lewis bases.
ISSN:0276-7333
1520-6041
DOI:10.1021/om400361n