Synthesis, Structures, and Photophysics of Polynuclear Silver(I) Thiolate and Silver(I) Thiocarboxylate Complexes with Dppm Ligands
作者:Hsiu-Yi Chao、Li Wu、Cheng-Luan Li、Wei Lu、Li Liu、Xiao-Long Feng
DOI:10.1002/zaac.201100231
日期:2011.9
Trinuclear silver(I) thiolate and silver(I) thiocarboxylate complexes [Ag3(μ-dppm)3(μn-SR)2](ClO4) [n = 2, R = C6H4Cl-4 (1) and CO}Ph (2); n = 3, R = tBu (3)], pentanuclear silver(I) thiolate complex [Ag5(μ-dppm)4(μ3-SC6H4NO2-4)4](PF6) (4), and hexanuclear silver(I) thiolate complexes [Ag6(μ-dppm)4(μ3-SR)4]Y2 [Y = ClO4, R =C6H4CH3-4 (5) and C10H7 (2-naphthyl) (7); Y = PF6, R = C6H4OCH3-4(6)], were
三核硫醇银 (I) 和硫代羧酸银 (I) 络合物 [Ag3(μ-dppm)3(μn-SR)2](ClO4) [n = 2, R = C6H4Cl-4 (1) 和 CO}Ph (2); n = 3,R = tBu (3)]、五核银 (I) 硫醇盐复合物 [Ag5(μ-dppm)4(μ3-SC6H4NO2-4)4](PF6) (4) 和六核硫醇银 (I)配合物 [Ag6(μ-dppm)4(μ3-SR)4]Y2 [Y = ClO4, R =C6H4CH3-4 (5) 和 C10H7 (2-萘基) (7); Y = PF6,R = C6H4OCH3-4(6)],合成[dppm = 双(二苯基膦基)甲烷],并研究了它们的晶体结构和光物理特性。在 77 K 的固态下,三核硫醇银(I)和硫代羧酸银(I)配合物 1 和 2 在 470-523 nm 处显示发光,暂时归因于源自硫醇盐或硫代羧酸盐配体的 3IL(内配体),而六核银