Image of faculty member, Gary Weddle

Dr. Gary H. Weddle

Associate Professor of Chemistry
o: Bannow Science Center Rm 309
p: x2121
Faculty Website


  • C. Emmeluth, B. L. J. Poad, C. D. Thompson, G. Weddle and E. J. Bieske, “The Al+ - H2 cation complex: Rotationally resolved infrared spectrum, potential energy surface, and rovibrational calculations”, J. Chem. Phys., 127, 164310 (2007).
  • Rachael A. Relph, Ben M. Elliott, Gary H. Weddle, Mark A. Johnson, Jing Ding and Kenneth D. Jordan, “Vibrationally-induced interconversion of H-bonded NO2-·H2O isomers within NO2-·H2O·Arm clusters using IR-IR pump-probe through the OH and NO stretching vibrations.”,  J. Phys. Chem. A.113 (6), 975-981 (2009).
  • Samantha Horvath, Anne B. McCoy, Ben M. Elliott, Gary H. Weddle, Joseph R. Roscioli, and Mark A. Johnson, “Anharmonicities and isotopic effects in the vibrational spectra of X-·H2O, ·HDO, and ·D2O [X = Cl, Br, and I] binary complexes”J. Phys. Chem. A114 (3), 1556-1568 (2010).
  • Helen K. Gerardi, Kristin J. Breen, Timothy L. Guasco, Gary H. Weddle, George H. Gardenier, Jennifer E. Laaser, and Mark A. Johnson, “Survey of Ar-tagged predissociation and vibrationally mediated photodetachment spectroscopies of the vinylidene anion, C2H2-J. Phys. Chem. A114(3), 1592-1601 (2010).

  • Solveig Gaarn Olesen, Timothy L. Guasco, Gary H. Weddle, Steen Hammerum, and Mark A. Johnson, “Vibrational Predissociation Spectra of the Ar-Tagged [CH4 · H3O+] binary complex: Spectroscopic Signature of hydrogen bonding to an alkane”Mol. Phys.108 (7), 1191-1197 (2010).
  • Christopher J. Johnson, Arron B. Wolk, Joseph A. Fournier, Erin N. Sullivan, Gary H. Weddle, and Mark A. Johnson, “He-tagged vibrational spectra of the SarGlyH+ and H+(H2O)2,3 ions: Quantifying Tag Effects in Cryogenic Ion Vibrational Predissociation (CIVP) Spectroscopy” , J. Chem. Phys.140, 221101 (2014)
  • Joseph A. Fournier, Christopher J. Johnson, Conrad T. Wolke, Gary H. Weddle, Arron B. Wolk, and Mark A. Johnson, “Vibrational spectral signature of the proton defect in the three-dimensional H+(H2O)21 cluster” , Science,  344, 1009 (2014)
  •  Conrad T. Wolke, Fabian S. Menges, Niklas Totsch, Olga Gorlova, Joseph A. Fournier, Gary H. Weddle, Mark A. Johnson, Nadja Heine, Tim K. Esser, Harold Knorke, Knut R. Asmis, Anne B. McCoy, Daniel J. Arismendi-Arrieta, Rita Prosmiti, Francesco Paesani, “Thermodynamics of Water Dimer Dissocation in the Primary Hydration Shell of the Iodide Ion with Temperature-Dependent Vibrational Predissociation Spectroscopy”J. Phys. Chem. A119, 1859 (2015)
  • Andrew F. DeBlase, Conrad T. Wolke, Gary H. Weddle, Kaye A. Archer, Kenneth D. Jordan, John T. Kelly, Gregory S. Tschumper, Nathan I. Hammer and Mark A. Johnson, “Water Network-Mediated, Electron-Induced Proton Transfer in Anionic [C5H5N·(H2O)n]¯ Clusters”J. Chem. Phys.143, 144305 (2015).
  • Patrick J. Kelleher, Fabian S. Menges, Joseph W. DePalma, Joanna K. Denton, Mark A. Johnson, Gary H. Weddle, Barak Hirshberg, R. Benny Gerber, “Trapping and structural characterization of the XNO2·NO3ˉ (X = Cl, Br, I) exit channel complexes in the water-mediated Xˉ + N2O5 reactions with cryogenic vibrational spectroscopy” J. Phys. Chem. Lett., 8, (19), 4710–4715 (2017)

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