Experimental measurements of low-Frequency intermolecular host-guest dynamics

Alexander P. Sukharevsky, Ian Read, Brian Linton, Andrew D. Hamilton, David H. Waldeck

Research output: Contribution to journalArticlepeer-review


A direct temporal measurement of the internal motion of a host-guest bimolecular complex is reported. Time-resolved polarization spectroscopy is used to monitor the motion of a guest chromophore, anthracene-1,3-dicarboxylate, bound to a bis(guanidinium) host molecule through a combination of hydrogen bonding and electrostatic forces. The dynamics of the bound chromophore is well described by an overdamped oscillator model. Through simple modeling, it is possible to estimate the frequency of the host-guest potential and the range of the guest chromophore's angular displacement.

Original languageEnglish (US)
Pages (from-to)5394-5403
Number of pages10
JournalJournal of Physical Chemistry B
Issue number27
StatePublished - Jul 2 1998

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry


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