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“Aurophilicity” as a Consequence of Relativistic Effects: The Hexakis(triphenylphosphaneaurio)methane Dication [(Ph 3 PAu) 6 C] 2⊕
Author(s) -
Scherbaum Franz,
Grohmann Andreas,
Huber Brigitte,
Krüger Carl,
Schmidbaur Hubert
Publication year - 1988
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.198815441
Subject(s) - dication , octahedron , hypervalent molecule , chemistry , crystallography , ion , cluster (spacecraft) , atom (system on chip) , salt (chemistry) , inorganic chemistry , crystal structure , organic chemistry , reagent , computer science , programming language , embedded system
The class of “porcupine compounds” , includes the title cation 1 , whose structure has been determined as the BPh 4 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 un centered octahedral cluster cations formulated previously as (AuL) 6 2⊕were in fact probably indentical with the C‐centered species described here.