We have synthesized and characterized a novel series of ruthenium complexes with the general formulas [Ru(N-S)(P-P)2]PF6, [RuCl(S)(P-P)2]PF6, and [Ru(N-S)(bpy)2]PF6. In these formulas, N-S or S represents H2mq (2-mercapto-4(3H)-quinazoline); P-P is...