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  • J. Ilja Siepmann

    Distinguished McKnight University Professor, Distinguished University Teaching Professor

    • Chemical Physics, Statistical Mechanics of Condensed Phases
    • Chemical Theory & Computation, Development of Simulation Algorithms and Force Fields
    • Environmental & Green Chemistry, Atmospheric Nucleation & Alternative Separations
    • Nanoscience & Materials Chemistry, Nanoporous and Nanostructured Materials
    • Energy & Catalysis, Properties of Fuels, Refining and Chemical Conversions
    • Analytical & Bioanalytical Chemistry, Chromatographic Retention Mechanisms
    • B.S. (equivalent), University of Freiburg (Germany), 1987
    • Ph.D. University of Cambridge (United Kingdom), 1992 (I. R. McDonald)
    • Post Doctorate IBM Zurich Research Lab (Switzerland), 1991-1992; Koninklijke/Shell Lab Amsterdam (Netherlands), 1992-1993; University of Pennsylvania, Laboratory for Research on the Structure of Matter, 1993-1994
    Office: 227 Smith Hall

Principal Research Interests

Our research efforts are driven by the desire to learn about complex chemical systems on the microscopic level. We focus on understanding how molecular architecture and composition influence structure, phase behavior and function of the system of interest. Our group is developing transferable force fields and efficient Monte Carlo algorithms. These allow us to predict both accurate and precise thermodynamic data for a wide range of chemical systems, including those not amenable to conventional simulation approaches and for which experimental data are not readily accessible. We apply these techniques to solve challenging problems in separation science.

Professor Siepmann is adviser to graduate and undergraduate students in the fields of chemistry, chemical engineering, materials science, and chemical physics.

Honors and Awards

  • Award for Outstanding Contributions to Postbaccalaureate, Graduate, and Professional Education, 2010
  • Distinguished McKnight University Professorship, 2006
  • Fellow, Minnesota Supercomputing Institute, 2000
  • Alfred P. Sloan Foundation Research Fellowship, 1998
  • McKnight Land Grant Professorship, 1996
  • Camille & Henry Dreyfus New Faculty Award, 1994

Mailing Address

  • J. Ilja Siepmann, University of Minnesota, Department of Chemistry
  • B-8, 139 Smith Hall, 207 Pleasant St SE
  • Minneapolis, MN 55455-0431