Hypercoordinate Carbon in Bis(trimethylsilyl)tris[(triphenylphosphine)aurio(I)]methanium Tetrafluoroborate

Nathalie Dufour, Annette Schier, Hubert Schmidbaur

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

[Bis(trimethylsilyl)methyl](triphenylphosphine)gold(I) has been synthesized according to literature methods and its crystal structure determined. Treatment of this compound with [(Ph3P)Au]3O+BF4 in dichloromethane gives small amounts of the compound (Me3Si)2C[Au(PPh3)2]2together with the novel trinuclear complex {(Me3Si)2C[Au(PPh3)]3}+BF4. The structure of the cation features the pentacoordinate carbon atom in a distorted-trigonal-bipyramidal environment with two silicon atoms in equatorial positions. Short axial/equatorial Au⋯Au contacts indicate peripheral metal-metal bonding.

Original languageEnglish
Pages (from-to)2408-2410
Number of pages3
JournalOrganometallics
Volume12
Issue number7
DOIs
StatePublished - 1993
Externally publishedYes

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