metallocene

listen to the pronunciation of metallocene
الإنجليزية - الإنجليزية
any of a class of organic compound containing two cyclopentadienyl anions and a transition metal whose bonding involves overlap of ns and np orbitals of the metal with molecular orbitals of appropriate symmetry of each cyclopentadienyl ring; the rings are either parallel to each other, or sometimes canted
metallocene
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