Cryogenic Ion Traps III: Spectroscopy

Presentations

• Coherent Vibrational Dynamics in an Isolated Peptide Captured with Cryogenic Ion 2D IR Spectroscopy

  ORAL · Invited

  March 19, 2025, 6:00 PM – March 19, 2025, 6:36 PM

  Publication: Z. Ma, L.M. McCaslin, J.A. Fournier. Coherent Vibrational Dynamics in an Isolated Peptide Captured with 2D IR Spectroscopy. in preparation.

  Presenters

  • Joe Fournier

    Washington University, St. Louis, Washington University in St. Louis

  Authors

  • Joe Fournier

    Washington University, St. Louis, Washington University in St. Louis

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• Data-Centered Analysis of Mixed CO₂/Alkene Clusters up to Heptamers Using Fourier-Transform Microwave Spectroscopy and Computational Methods

  ORAL

  March 19, 2025, 6:36 PM – March 19, 2025, 6:48 PM

  Publication: In preparation: <br>1) Application of intensity ratios to disentangle rotational spectra of large molecular clusters: Trifluoroethylene with up to 6 CO2 molecules, K.C. Gilbert, S.A. Peebles, B.H. Pate, R.A. Peebles, J. Phys. Chem. Lett, manuscript in preparation October 2024.<br>2) Microsolvation of perfluorinated compounds by CO2: Rotational spectroscopy of (C3F6)1-(CO2)n clusters up to n = 3, G.S. Gill, S.A. Peebles, B.H. Pate, R.A. Peebles, J. Mol. Spectrosc., manuscript in preparation October 2024.

  Presenters

  • Rebecca A Peebles

    California State University, Sacramento

  Authors

  • Rebecca A Peebles

    California State University, Sacramento

  • Kyle C Gilbert

    California State University, Sacramento

  • Gagandeep S Gill

    California State University, Sacramento

  • Sean A Peebles

    California State University, Sacramento

  • Brooks H Pate

    University of Virginia

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• Abstract Withdrawn

  ORAL Withdrawn

  March 19, 2025, 6:48 PM – March 19, 2025, 7:00 PM

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• Isomer- specific vibrational spectroscopy investigation of protonated formic acid complexes with D₂, N₂, and H₂O using two color, IR-IR photobleaching

  ORAL

  March 19, 2025, 7:00 PM – March 19, 2025, 7:12 PM

  Publication: Bocanegra, E. L.; Rana, A.; McCoy, A. B.; Johnson, M. A.; Isomer-specific, Cryogenic Ion Vibrational Spectroscopy Investigation of D2-and N2- Tagged, Protonated Formic Acid Complexes Using Two Color, IR-IR Photobleaching, The Journal of Physical Chemistry Letters, 2024, accepted.

  Presenters

  • Erica L Bocanegra

    Yale University

  Authors

  • Erica L Bocanegra

    Yale University

  • Anne Bowen McCoy

    University of Washington

  • Abhijit Rana

    Yale University

  • Mark Albert Johnson

    Yale University

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• Slow electron velocity-map imaging of cold and vibrationally excited anions as a probe of spectroscopy and dynamics

  ORAL · Invited

  March 19, 2025, 7:12 PM – March 19, 2025, 7:48 PM

  Publication: <br>(1) Weichman, M. L.; Neumark, D. M. Slow Photoelectron Velocity-Map Imaging of Cryogenically Cooled Anions. In Annual Review of Physical Chemistry, Vol 69, Johnson, M. A., Martinez, T. J. Eds.; Annual Review of Physical Chemistry, Vol. 69; 2018; pp 101-124.<br>(2) DeWitt, M.; Babin, M. C.; Neumark, D. M. High-Resolution Photoelectron Spectroscopy of Vibrationally Excited OH-. J. Phys. Chem. A 2021, 125, 7260-7265.<br>(3) Lau, J. A.; DeWitt, M.; Boyer, M. A.; Babin, M. C.; Solomis, T.; Grellmann, M.; Asmis, K. R.; McCoy, A. B.; Neumark, D. M. High-Resolution Photoelectron Spectroscopy of Vibrationally Excited Vinoxide Anions. J. Phys. Chem. A 2023, 127, 3133-3147.<br>(4) Lau, J. A.; DeWitt, M.; Franke, P. R.; Stanton, J. F.; Neumark, D. M. High-resolution photoelectron spectroscopy of NO3¯ vibrationally excited along its v3 mode. J. Phys. Chem. A submitted.<br><br>

  Presenters

  • Daniel M Neumark

    University of California, Berkeley

  Authors

  • Daniel M Neumark

    University of California, Berkeley

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• Spectroscopic Characterization of a Cryo-cooled Gas-phase Anion Molecular Cage: Amide-Cryptand Complexed with F^-, Cl^- and Br^- Anions

  ORAL

  March 19, 2025, 7:48 PM – March 19, 2025, 8:00 PM

  Presenters

  • Chin Lee

    Sandia National Laboratories

  Authors

  • Chin Lee

    Sandia National Laboratories

  • Kendrew Au

    Sandia National Laboratories

  • Kristin Bowman-James

    University of Kansas

  • Daniel P Tabor

    Texas A&M University

  • Timothy S Zwier

    Sandia National Laboratories

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• Cryogenic Ion Vibrational Spectroscopy of Calix[4]pyrroles in Complexes With Anions

  ORAL

  March 19, 2025, 8:00 PM – March 19, 2025, 8:12 PM

  Presenters

  • J. Mathias Weber

    University of Colorado, Boulder

  Authors

  • J. Mathias Weber

    University of Colorado, Boulder

  • Anne Bowen McCoy

    University of Washington

  • Lane M Terry

    University of Colorado Boulder

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• Understanding nuclear quantum effects in the solvation structure and hydrogen bond dynamics of fluoride hydration using many-body potentials

  ORAL

  March 19, 2025, 8:12 PM – March 19, 2025, 8:24 PM

  Presenters

  • Benjamin Savala

    University of California, San Diego

  Authors

  • Benjamin Savala

    University of California, San Diego

  • Richa Rashmi

    University of California San Diego

  • Francesco Paesani

    University of California, San Diego

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• Application of leak-out-spectroscopy to exotic hydrogen-helium cations

  ORAL · Invited

  March 19, 2025, 8:24 PM – March 19, 2025, 9:00 PM

  Presenters

  • Oskar Asvany

    Universität zu Köln

  Authors

  • Oskar Asvany

    Universität zu Köln

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