Sun D, Zhang N, Luo GG, Huang RB, Zheng LS. Ammine(2,2'-bipyridine-kappa(2)N,N')silver(I) nitrate: a dimer formed by pi-pi stacking and ligand-unsupported Ag...Ag interactions.
Acta Crystallogr C 2010;
66:m75-8. [PMID:
20203399 DOI:
10.1107/s010827011000377x]
[Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2009] [Accepted: 01/30/2010] [Indexed: 11/10/2022] Open
Abstract
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.
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