Sun Di, Zhang Na, Luo Geng-Geng, Huang Rong-Bin, Zheng Lan-Sun
Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, People's Republic of China.
Acta Crystallogr C. 2010 Mar;66(Pt 3):m75-8. doi: 10.1107/S010827011000377X. Epub 2010 Feb 3.
Reaction of AgNO(3) and 2,2'-bipyridine (bipy) under ultrasonic treatment gave the title compound, [Ag(C(10)H(8)N(2))(NH(3))]NO(3). The crystal structure consists of dimers formed by two symmetry-related Ag(I)-bipy monomers connected through intra-dimer pi-pi stacking and ligand-unsupported Ag...Ag interactions. A crystallographic C2 axis passes through the mid-point of and is perpendicular to the Ag...Ag(i)(-x + 1, y, -z + 1/2) axis. In addition, each Ag(I) cation is coordinated by one chelating bipy ligand and one ammine ligand, giving a trigonal coordination environment capped by the symmetry-equivalent Ag atom. Molecules are assembled by Ag...Ag, pi-pi, hydrogen-bond (N-H...O and C-H...O) and weak Ag...pi interactions into a three-dimensional framework. Comparing the products synthesized under different mechanical treatments, we found that reaction conditions have a significant influence on the resulting structures. The luminescence properties of the title compound are also discussed.
在超声处理下，硝酸银（AgNO₃）与2,2'-联吡啶（bipy）反应生成了标题化合物[Ag(C₁₀H₈N₂)(NH₃)]NO₃。晶体结构由两个通过二聚体内π-π堆积和无配体支撑的Ag…Ag相互作用连接的对称相关Ag(I)-bipy单体形成的二聚体组成。一个晶体学C₂轴穿过Ag…Ag(i)(-x + 1, y, -z + 1/2)轴的中点并与其垂直。此外，每个Ag(I)阳离子由一个螯合的bipy配体和一个氨配体配位，形成一个由对称等效的Ag原子封顶的三角配位环境。分子通过Ag…Ag、π-π、氢键（N-H…O和C-H…O）和弱Ag…π相互作用组装成三维框架。比较在不同机械处理下合成的产物，我们发现反应条件对所得结构有显著影响。还讨论了标题化合物的发光性质。
