SMILES: [CH-]1[CH-][CH-][CH-][CH-]1.[CH-]1C=CC=C1.[Zr]
Description: The molecule is a bis(eta(5)-cyclopentadienyl)metal(II) having Zr(II) as the metal(II) species. The parent of the class of zirconocenes. It is a member of zirconocenes and a bis(eta(5)-cyclopentadienyl)metal(II).