title: catena-Poly[[silver(I)-μ-N-(pyridin-3-ylmeth-yl)pyridine-2-amine-κ(2) N:N'] tri-fluoro-methane-sulfonate].
abstract: In the asymmetric unit of the title polymeric complex, {[Ag(C11H11N3)](CF3SO3)} n , there are two Ag(I) atoms, two N-(pyridin-3-ylmeth-yl)pyridine-2-amine ligands (A and B) and two CF3SO3 (-) anions. One Ag(I) atom is coordinated by two pyridine N atoms from two symmetry-related A ligands in a geometry slightly distorted from linear [N-Ag-N = 173.2 (3)°], forming a left-handed helical chain, while the other Ag(I) atom is coordinated by two pyridine N atoms from two symmetry-related B ligands in a bent arrangement [N-Ag-N = 157.1 (3)°], forming a right-handed helical chain. Both helical chains have the same pitch length [10.4007 (7) Å], propagate along the b-axis direction and are alternately arranged via Ag⋯Ag [3.0897 (12) Å] and π-π stacking inter-actions [centroid-centroid distances = 3.564 (7) and 3.518 (6) Å], resulting in the formation of a two-dimensional supra-molecular network extending parallel to the ab plane. Inter-molecular N-H⋯O, C-H⋯O and C-H⋯F hydrogen-bonding inter-actions occur between the helical chains and the anions.
authors.affiliation: Department of Food & Nutrition, Kyungnam College of Information and Technology, Busan 617-701, Republic of Korea.
authors.forename: Suk-Hee
authors.initials: SH
authors.lastname: Moon
authors.forename: Ki-Min
authors.initials: KM
authors.lastname: Park
references.citation: Chem Rev. 2001 Jun;101(6):1629-58
references.pmid: 11709994
references.citation: Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22
references.pmid: 18156677
references.citation: Chem Rev. 2011 Feb 9;111(2):688-764
references.pmid: 20804195
references.citation: Inorg Chem. 2013 May 20;52(10):5914-23
references.pmid: 23634904