J. Charles Williamson

Education

B.S. Harvey Mudd College; Ph. D. California Institute of Technology

Courses

Chem 115 Introductory Chemistry I
Chem 116 Introductory Chemistry II
Chem 321 Physical Chemistry I
Chem 322 Physical Chemistry II
Chem 430 Advanced Topics in Chemistry
IDS 123 World Views

Professional Interests

Time-resolved laser spectroscopy and molecular dynamics; scattering and diffraction techniques; thermodynamics of non-ideal binary mixtures

Characterization of liquid-liquid coexistence curves by laser light scattering

Assessment of solvent shell structure and microscopic interactions in liquid-liquid mixtures using Raman spectroscopy

Nanosecond time-resolved investigations of fluorescence up-conversion from mixtures of ruthenium compounds and organic molecules

Development of NMR spectroscopy techniques for studying liquid-liquid behavior

Raman spectroelectrochemical investigations of Ru(II) and Ru(III) anti-cancer compounds, (in collaboration with Professor Holman)

Publications

J. G. Lambert, C. Hernandez-Diaz, and J. C. Williamson, “Sub-Wavenumber CCD Spectrometer Calibration Using Molecular Iodine Laser-Induced Fluorescence” submitted to the Review of Scientific Instruments in November, 2009.
K. M. Dean, C. B. Babayco, D. R. B. Sluss, and J. C. Williamson, “The Accuracy and Precision of Liquid-Liquid Coexistence Curves Determined from Semiautomated Light Scattering Measurements” Undergoing revision for resubmission to the Journal of Chemical Physics.
J. C. Williamson, “Interactive Two-Component Phase Diagrams” J. Chem. Educ. 86(5), 653-654 (2009).
J. C. Williamson, "Teaching the Rovibronic Spectroscopy of Molecular Iodine" J. Chem. Educ 84(8), 1355-1359 (2007).
J. C. Williamson, R. Torres-Isea, and C. A. Kletzing, "Analyzing Linear and Angular Momentum Conservation in Digital Videos of Puck Collisions" Amer. J. Phys. 68(9), 841-847 (2000).
J. C. Williamson, J. Cao, H. Ihee, H. Frey, and A. H. Zewail, "Clocking Transient Chemical Changes By Ultrafast Electron Diffraction" Nature, 386, 159-162 (1997).
M. Dantus, S. B. Kim, J. C. Williamson, and A. H. Zewail, "Ultrafast Electron Diffraction 5: Experimental Time Resolution and Applications" J. Phys. Chem. 98(11), 2782-2796 (1994).
J. C. Williamson and A. H. Zewail, "Ultrafast Electron Diffraction 4: Molecular Structures and Coherent Dynamics" J. Phys. Chem. 98(11), 2766-2781 (1994).