Binary and Ternary Cluster Complexes Containing Gold‐Selenium, Gold‐Indium‐Selenium and Gold‐Gallium‐Tellurium − Synthesis and Structures of [Au₅Se₂(PPh₃)₄]Cl, [(Au₃Se)₂{Ph₂P(CH₂)₆PPh₂}₃]Cl₂, [Au₁₀Se₄{Ph₂P(CH₂)₅PPh₂}₄]InCl₅, [Au₄(SeInCl₃)₂{Ph₂P(CH₂)₅PPh₂}₂], [Au₂(TeGaCl₃){Ph₂P(CH₂)₆PPh₂}]₂ and [Au₈Se₄In{Ph₂P(CH₂)₂PPh₂}₄](InCl₄)₃

Abstract

Abstract Reactions of gold phosphane complexes [(AuX)(PR 3 )] (X = Cl, Br, I; R = organic moiety) with Se(SiMe 3 ) 2 lead to the formation of gold complexes with chalcogenide bridges. The reaction of the complex [Ph 3 PAuCl] and t BuSe(SiMe 3 ) gives the cluster [Au 5 Se 2 (PPh 3 ) 4 ]Cl ( 1 ). The in situ preparation of the complex [(AuCl) 2 dpph] [dpph = Ph 2 P(CH 2 ) 6 PPh 2 ] by reaction of dpph with [Me 2 SAuCl], and subsequent reaction with Se(SiMe 3 ) 2 , leads to the formation of [(Au 3 Se) 2 (dpph) 3 ]Cl 2 ( 2 ). Reactions of the gold( I ) complex [(AuCl) 2 dpppe] [dpppe = Ph 2 P(CH 2 ) 5 PPh 2 ] with Se(SiMe 3 ) 2 and InCl 3 in different molar ratios lead to the formation of [Au 10 Se 4 (dpppe) 4 ]InCl 5 ( 3 ) and [Au 4 (SeInCl 3 ) 2 (dpppe) 2 ] ( 4 ). The reaction of [(AuCl) 2 dpph] with Te(SiMe 3 ) 2 and GaCl 3 produces the isostructural cluster compound [Au 4 (TeGaCl 3 ) 2 (dpph) 2 ] ( 5 ). From the reaction of Se(SiMe 3 ) 2 with [(AuCl) 2 dppe] [dppe = Ph 2 P(CH 2 ) 2 PPh 2 ] and InCl 3 [Au 8 Se 4 In(dppe) 4 ](InCl 4 ) 3 6 can be isolated. The structures of 1 − 6 were determined by X‐ray diffraction. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)