1 R4A Bis[1h,1'H-2,2'-bipyridinato(2-)-kappa~2~N~1~,N~1'~]{3-[4-(1,10-dihydro-1,10-phenanthrolin-4-yl-kappa~2~N~1~,N~10~)butoxy]-N,N-dimethylanilinato(2-)}ruthenium 1.000 2 RUA (4'-methyl-2,2'bipyridine)bis(2,2'-bipyridine) 0.704