New adducts of silver(I) halides, AgX (X = Cl, Br), with bidentate phosphine ligands: syntheses and molecular structures of [Ag3(μ
3-Cl)2(μ-dppm)3][PF6], [Ag3(μ
3-Br)2(μ-dppm)3][AgBr2], {[Et4N][Ag2 (μ-Br)3(μ-dppe)]}
n
, [Et4N]2[(AgCl2)2(μ-dppe)], and [(AgCl)2(μ-dppp)2]
Author:
Qian Ting-Ting1, Xie Yu-Feng1, Shi Hua-Tian1, Jia Ai-Quan1, Zhang Qian-Feng1
Affiliation:
1. Institute of Molecular Engineering and Applied Chemistry, and Anhui Province Key Laboratory of Metallurgy Engineering and Resources Recycling, Anhui University of Technology, Ma’anshan, Anhui 243002, P.R. China
Abstract
Abstract
Interaction of AgCl with bis(diphenylphosphino)methane (dppm) in THF/MeCN in the presence of K[PF6] or [Et4N]Br afforded typical trinuclear cationic trigonal-bipyramidal complexes [Ag3(μ
3-Cl)2(μ-dppm)3][PF6] (1) or [Ag3(μ
3-Br)2(μ-dppm)3][AgBr2] (2), respectively. Treatment of AgBr with bis(diphenylphosphino)ethane (dppe) in THF/MeCN in the presence of [Et4N]Br gave a polymeric complex {[Et4N][Ag2(μ-Br)3(μ-dppe)]}
n
(3) with a dinuclear {Ag2(μ-Br)3} core. The reaction of AgCl with dppe or bis(diphenylphosphino)propane (dppp) in THF/MeCN in the presence of [Et4N]Cl resulted in the isolation of a dinuclear anionic complex [Et4N]2[(AgCl2)2(μ-dppe)] (4) with one μ-dppe bridge or a dinuclear neutral complex [(AgCl)2(μ-dppp)2] (5) with two μ-dppp bridges and a 12-membered ring, respectively. The structures of complexes 1–5 with the bidentate phosphine ligands were determined by single-crystal X-ray diffraction.
Publisher
Walter de Gruyter GmbH
Subject
General Chemistry
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