for the following products
Pentamethylcyclopentadienyltris (acetonitrile)ruthenium(II) hexafluorophosphate | tris-(Acetonitrile)pentamethylcyclopentadienylruthenium(II) hexafluorophosphate and tris-(Acetonitrile)pentamethylcyclopentadienylruthenium(I)hexafluorophosphate