Abstract
Recrystallisation of [Ag(C6H4CH2NMe2-2)]41 in the presence of PPh3 has led to the isolation of a silver siloxide, {[Ag(PPh3)]2(µ4-OMe2SiOSiMe2O)}22, from interaction with the silicone grease used to assemble the glassware. Both compounds have been characterised crystallographically, and 2 represents the first structurally characterised silver siloxide. The organometallic is a planar tetramer containing both four- and six-co-ordinate silver. The disiloxide adopts a dimeric ‘step’ structure incorporating trigonal PO2Ag and tetrahedral PO3Ag centres.
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More From: Journal of the Chemical Society, Dalton Transactions
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