Mackenzie, Rebecca2018-01-102018-01-102016-10https://hdl.handle.net/11299/192660University of Minnesota Ph.D. dissertation. October 2016. Major: Chemistry. Advisor: Kenneth Leopold. 1 computer file (PDF); viii, 207 pages.Our world is shaped by the mutual attraction of molecules. Studying small clusters of 2-3 molecules yields a wealth of detailed information on the forces that hold them, and thus, most of the world, together. For my doctoral work, I used microwave spectroscopy to study the structure of molecular complexes to provide insight into the ways molecules adhere to each other. My work has focused on the fundamental science of these clusters, particularly the large amplitude motion they undergo, as well as their applications to atmospheric chemistry.enIntermolecular ForcesMicrowave Spectroscopyvan der Waals complexesThesis or Dissertation