. . "ty to the metallocene, n being 0 or 1, Me is a Group IIIB, IVB, VB or VIB metal, Q is a hydride, a halogen, an amide or a hydrocarbyl radical, each Q being the same or different, except only one Q can be hydride and p is the valence of Me minus 2; wherein the ionizing ionic compound does not contain an active proton and contains a carbonium, oxonium or sulfonium cation; and wherein the anion of th" . . . . .