Crystal and Molecular Structures of the Sulfurization and Selenation Products of Bis[bis(trimethylsilyl)amino]germanium(II). Crystal Structure of (Triphenylphosphine)gold(I) Bis(trimethylsilyl)amide

Abstract

Treatment of bis[bis(trimethylsilyl)amino]germanium(II) with elemental sulfur or selenium affords high yields of the corresponding monosulfide [(Me 3 Si) 2 N] 2 GeS and selenide [(Me 3 Si) 2 N] 2 GeSe, respectively. The crystalline products have now been shown to be cyclic dimers with (GeS/Se) 2 four-membered rings by X-ray single crystal structure analysis. The crystal structure of (triphenylphosphine)gold(I) bis(trimethylsilyl)amide (Ph 3 P)Au-N(SiMe 3 ) 2 has also been determined. The molecule is a monomer with a tricoordinate nitrogen atom in a planar configuration [Si 2 NAu]. The compound does not undergo insertion of the bis[bis(trimethylsilyl)amino]germylene.