catena-Poly[[silver(I)-μ-N-[(pyridin-2-yl)meth­yl]pyridine-3-amine-κ²N:N′] hexa­fluorido­phosphate]

In the title polymeric complex, {[Ag(C₁₁H₁₁N₃)]PF₆}_n, the Ag^I ion is two-coordinated in a nearly linear coordination geometry [N—Ag—N = 175.98 (9)°] by two pyridine N atoms from two symmetry-related N-[(pyridine-2-yl)meth­yl]pyridine-3-amine ligands. Each Ag^I ion is bridged by the ligands, forming a helical chain propagating along the b-axis direction. The right- and left-handed helical chains are alternately arranged via Ag...Ag [3.2639 (5) Å] and π–π stacking inter­actions [centroid–centroid distance = 3.523 (1) Å], resulting in the formation of a two-dimensional supra­molecular network extending parallel to (101). Weak Ag...F inter­actions [longest Ag...F inter­action = 3.153 (2) Å], as well as N—H...F and C—H...F hydrogen-bonding inter­actions, occur between the helical chains and the anions.

Crystal structure of catena-poly[[silver(I)-μ-N-(pyridin-2-ylmeth­yl)pyridine-3-amine-κ²N:N′] tri­fluoro­methane­sulfonate]

The reaction of Ag^I with the unsymmetrical ligand N-(pyridine-2-ylmeth­yl)pyridine-3-amine afforded right- and left-handed helical chains. The Ag^I atom of the right-handed helical chain adopts a slightly distorted linear coordination geometry, while that of the left-handed helical chain displays a bent geometry.

Crystal structure of a one-dimensional helical-type silver(I) coordination polymer: catena-poly[[silver(I)-μ-N-(pyridin-4-ylmeth­yl)pyridine-3-amine-κ²N:N′] nitrate dimethyl sulfoxide disolvate]

The reaction of Ag^I atom with the unsymmetrical ligand N-(pyridin-4-ylmeth­yl)pyridine-3-amine afforded a helical chain. The Ag^I atom adopts a slightly distorted linear coordination geometry. The symmetry-related right- and left-handed helical chains are alternately arranged via Ag...Ag inter­actions and π–π stacking inter­actions, resulting in the formation of a two-dimensional supra­molecular network.