Stable Complexes of Parent Digermene: An Inorganic Analogue of Ethylene

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• 作者：S. M. Ibrahim Al-Rafia ; Mohammad R. Momeni ; Michael J. Ferguson ; Robert McDonald ; Alex Brown ; Eric Rivard
• 刊名：Organometallics
• 出版年：2013
• 出版时间：November 25, 2013
• 年：2013
• 卷：32
• 期：22
• 页码：6658-6665
• 全文大小：385K
• 年卷期：v.32,no.22(November 25, 2013)
• ISSN：1520-6041

文摘

The elusive parent inorganic ethylene H<sub>2sub>GeGeH<sub>2sub> has been isolated in the form of a stable complex for the first time via donor鈥揳cceptor coordination with suitable Lewis base/acid combinations (LB路H<sub>2sub>Ge-GeH<sub>2sub>路LA; LB = N-heterocyclic carbene or N-heterocyclic olefin; LA = W(CO)<sub>5sub>). The nature of the bonding in these species was investigated by density functional theory calculations and revealed the presence of polarized Ge鈥揋e covalent 蟽-bonds within the H<sub>2sub>Ge鈥揋eH<sub>2sub> arrays and dative Ge鈥揅 interactions between the digermene and the carbon-based Lewis bases.