“Aurophilicity” as a Consequence of Relativistic Effects: The Hexakis(triphenylphosphaneaurio)methane Dication [(Ph3PAu)6C]2⊕

Franz Scherbaum, Andreas Grohmann, Brigitte Huber, Carl Krüger, Hubert Schmidbaur

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Abstract

The class of “porcupine compounds”, includes the title cation 1, whose structure has been determined as the BPh4 salt. The analytically, mass‐spectrometrically and crystallographically detected interstitial C atom occupies the crystallographic inversion center in an octahedron composed of gold atoms: the structure is probably stabilized by AuċAu interactions. The periphery of tetraauriomethanes is apparently “aurophile” with respect to further LAu ions, so that the hypervalent complex cation [C(AuL)6]2⊕ is formed spontaneously. The supposedly uncentered octahedral cluster cations formulated previously as (AuL) 62⊕ were in fact probably indentical with the C‐centered species described here. (Figure Presented.)

Original languageEnglish
Pages (from-to)1544-1546
Number of pages3
JournalAngewandte Chemie International Edition in English
Volume27
Issue number11
DOIs
StatePublished - Nov 1988
Externally publishedYes

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