(Pentamethylcyclopentadienyl)samarium(II) Alkyl Complex with the Neutral “C<sub>5</sub>Me<sub>5</sub>K” Ligand:  A Precursor to the First Dihydrido Lanthanide(III) Complex and a Precatalyst for Hydrosilylation of Olefins

(Pentamethylcyclopentadienyl)samarium(II) Alkyl Complex with the Neutral “C<sub>5</sub>Me<sub>5</sub>K” Ligand:  A Precursor to the First Dihydrido Lanthanide(III) Complex and a Precatalyst for Hydrosilylation of Olefins