Acta Crystallographica Section E (Feb 2013)
cis-Bis(1,10-phenanthroline-κ2N,N′)bis(pyridin-4-amine-κN1)ruthenium(II) bis(hexafluoridophosphate)Part I. Ruthenium(II) coordination complexes with 4-aminopyridine and α-diimine ligands.
Abstract
In the title complex, [Ru(C12H8N2)2(C5H6N2)2](PF6)2, the RuII atom is bonded to two α-diimine ligands, viz. 1,10-phenanthroline (phen), in a cis configuration, in addition with with two 4-aminopyridine (4Apy) ligands, resulting in a distorted octahedral coordination geometry. N—H...F hydrogen-bonding interactions play an important role in the crystal assembly: 21-screw-axis-related complex molecules and PF6− counter-ions alternate in helical chains formed along the a axis by means of these contacts. N—H...π contacts (H...centroid = 3.45 Å) are responsible for cross-linking between the helical chains along [001].