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Timothy S. Zwier

Timothy Zwier
Cryo-Ion Instrument in Zwier's Lab
Cryo-Ion Instrument in Zwier's Lab

The Zwier group focuses on problems at the interface between the traditional fields of molecular spectroscopy and dynamics. We develop and apply laser-based methods to study neutral molecules, ions, radicals, and molecular clusters of a size and complexity that test the large-molecule limits of current theories of chemical structure and dynamics.

Our current research interests have applications in the following three areas:

  1. The investigation of conformational preferences, isomerization dynamics, and hydrogen bonding in biologically relevant neutral molecules, molecular ions, and molecular clusters. A particular current interest is synthetic foldamers, molecules designed to fold in well-defined ways that either mimic or complement the folding propensities of α-peptides found in nature.
  2. The study of the photo-induced and discharge-driven chemistry and spectroscopy of molecules of importance in planetary atmospheres, particularly on Titan, one of the moons of Saturn.
  3. The study of the chemistry, spectroscopy, and isomerization of molecules and radicals of importance in combustion, seeking to understand reactions and energy flow in aromatic derivatives that are intermediates along the pathway towards soot formation.


  • B.S., Calvin College, 1977
  • Ph.D., University of Colorado at Boulder, 1981


  • Earle K. Plyler Prize for Molecular Spectroscopy from the American Physical Society, 2007
  • Fellow of the American Chemical Society, 2010
  • Fellow of the American Physical Society, 2000
  • JILA Visiting Fellow, 1994
  • Research Fellow, 1989
  • Senior Editor, Journal of Physical Chemistry, 2003


Purdue University, West Lafayette, IN 47907 (765) 494-4600

Department of Chemistry, 560 Oval Drive, West Lafayette, Indiana 47907-2084 | Telephone: (765) 494-5200 | Fax: (765) 494-0239

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