Isolation and Structures of One- and Two-Dimensional High-Nuclearity Silver(I) Clusters from a Silver Propane-2-thiolate
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ORIGINAL PAPER
Isolation and Structures of One- and Two-Dimensional High-Nuclearity Silver(I) Clusters from a Silver Propane-2-thiolate Chain Ai-Quan Jia1 • Ming-Ming Sheng1 • Guang Che1 • Chao Xu1 • Qian-Feng Zhang1 Received: 10 October 2019 Springer Science+Business Media, LLC, part of Springer Nature 2019
Abstract Interaction of [Ag(SiPr)]n and CF3CO2Ag in methanol led to isolation of a one-dimensional chain silver cluster {[Ag24(lOH2)2(l-O2CCF3)10(g1-O2CCF3)2(l4-SiPr)12(OH2)4(HOCH3)6](H2O)4}n (1). Reaction of [Ag(SiPr)]n and Et4NI in dimethylformide gave a tubular cluster [Ag36(l8-I)6(l3-SiPr)30]n (2). Treatment of a mixed suspension of [Ag(SiPr)]n/AgI in methanol with HSiPr in the presence of Et3N resulted in formation of a two-dimensional anionic cluster {(HNEt3)4 [Ag36(l2-I)4(l3-I)8(l4-I)12(l3-SiPr)16]}n (3). Structures of three clusters were established by single crystal X-ray diffraction and their solid ultraviolet properties were also investigated. Graphic Abstract Three polymeric frameworks of high-nuclearity silver(I) thiolate clusters have been isolated employing [Ag(SiPr)]n as a starting material and their structures were characterized by single-crystal X-ray diffraction.
Keywords Poly-nuclear silver(I) complex Polymer Thiolate Coordination assembly Crystal structure
& Qian-Feng Zhang [email protected] 1
Institute of Molecular Engineering and Applied Chemistry, Anhui University of Technology, Ma’anshan 243002Anhui, People’s Republic of China
123
A. Jia et al.
Introduction High-nuclearity transition metal clusters have attracted great attention due to not only their wonderful configurations, but also their various potential applications in recent years [1–7]. Of these, thiolate capped/stabilized silver(I) clusters have been the focus of intensive research owing to the strong interactions between sulfur and silver atoms, and the ubiquitous argentophilic interactions, as well as their unique topologies and properties [8–12]. For example, silver(I) thiolate clusters exhibit potential technological applications as luminescent probes and precursors of nonlinear optical materials [13–15]. It is well known that the silver(I) ion is of rich coordination chemistry with halides, sulfate, carbonate, and polyoxomolybdate anions [1, 11]. Hence, high-nuclearity silver clusters could be synthesized by self-assembly of thiolate, halide, or organophosphorus ligands with silver(I) salts [16–18], of which their structures and functions could be controlled by alternative choice of central template anions, auxiliary ligands, or reaction conditions [8, 19–25]. For instances, Zang and coworkers have demonstrated that the Ag12 core of silver(I) cluster Ag12@POSS6 (POSS = SH–POSS, with chemical formula SSi8O12C31H70) underwent reversible structural transformation between flattened cubo-octahedral and normal cubo-octahedral in different solvents [26]. Saillard and Liu group have reported a dodecanuclear silver(I) cluster, [Ag12(l12-I)(l3-I)4{S2P(CH2CH2Ph)2}6],
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