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Acta Cryst. (2007). E63, m2567 [ doi:10.1107/S1600536807045825 ]
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-[Bis(3,3-dimethylbut-1-ynyl)diphenylsilane]bis[(cycloocta-1,5-diene)nickel(II)](Ni-Ni)Abstract: The title compound, [Ni2(C24H28Si)(C8H12)2], was obtained from the reaction of the symmetrical diyne bis(3,3-dimethylbut-1-ynyl)diphenylsilane with bis(cycloocta-1,5-diene)nickel. In the resulting molecule, two Ni(cod) (cod is cycloocta-1,5-diene) units are coordinated by one of the C![[triple bond]](/logos/entities/z-tbnd_rmgif.gif)
C triple bonds, resulting in the formation of a dinickelatetrahedrane. The second triple bond remains uncoordinated even if an excess amount of the diyne is used in the reaction.
Online 21 September 2007
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