Hypercoordinate Carbon in Protonated Tetraauriomethane Molecules

H. Schmidbaur, F. P. Gabbaï, A. Schier, J. Riede

Research output: Contribution to journalArticlepeer-review

71 Scopus citations


The reaction of {[(Ph3P)AU]3O}+BF4- with Me3SiCHN2 gives dinitrogen and three crystalline products, two of which have been identified as {Ph3PCH-[Au(PPh3)]2}+BF4- (1) and {HC[Au(PPh3)]4}+BF4- (2). In crystals of 2•4CH2Cl2, the cation has a square pyramidal structure with an apical hydrogen atom at a central pentacoordinate carbon atom. The cations are associated to centrosymmetrical dimers with auriophilic contacts.

Original languageEnglish
Pages (from-to)4969-4971
Number of pages3
Issue number11
StatePublished - Nov 1995
Externally publishedYes


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