Clamshell structure of Sc(biphenyl) from high resolution photoelectron spectroscopy

Bradford R. Sohnlein, Jason F. Fuller, Dong Sheng Yang

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


Sc(biphenyl) is produced in a laser vaporization molecular beam source and characterized by pulsed field ionization-zero electron kinetic energy (ZEKE) photoelectron spectroscopy and density functional theory. The theory predicts two low-energy isomers: a clamshell structure with Sc binding to both phenyl rings and a half-sandwich structure with Sc binding to single ring. The joint experimental and theoretical study shows that the Sc(biphenyl) complex prefers the clamshell structure with a twelve-fold binding mode. From the free ligand to the clamshell structure of the complex, phenyl rings first rotate to become coplanar, then bend toward the Sc atom, and finally are clamped in place by Sc binding.

Original languageEnglish
Pages (from-to)10692-10693
Number of pages2
JournalJournal of the American Chemical Society
Issue number33
StatePublished - Aug 23 2006

ASJC Scopus subject areas

  • Catalysis
  • Chemistry (all)
  • Biochemistry
  • Colloid and Surface Chemistry


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