Acta Cryst. (2008). E64, m254-m255  [ doi:10.1107/S1600536807066883 ]

Bis(2-phenyl-4,6-di-2-pyridyl-1,3,5-triazine-³N⁴,N⁵,N⁶)ruthenium(II) bis(hexafluoridophosphate)

M. I. J. Polson and G. S. Hanan

Abstract: The asymmetric unit of the title compound, [Ru(C₁₉H₁₃N₅)₂](PF₆)₂, consists of an Ru^II complex cation and two hexafluoridophosphate anions. The Ru^II atom is coordinated by three N atoms from the two outer pyridine and the central triazine rings of each of two tridentate ligands in a distorted octahedral environment. The ligands are approximately orthogonal to one another, with a dihedral angle of 88.34 (2)° between planes through the three six-membered rings of the two ligands. The pendant phenyl substituents are almost coplanar with the triazine rings to which they are bound, with dihedral angles of 5.41 (9) and 14.90 (10)°. This is reflected in the previously reported photophysical results with an increased lifetime of the triplet metal to ligand charge transfer (³MLCT) excited state [Fang, Taylor, Hanan, Loiseau, Passalacqua, Campagna, Nierengarten & Van Dorsselaer (2002). J. Am. Chem. Soc. 124, 7912-7913].

Online 21 December 2007

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