Structural Dynamics (Jul 2016)
Charge transfer in dissociating iodomethane and fluoromethane molecules ionized by intense femtosecond X-ray pulses
- Rebecca Boll,
- Benjamin Erk,
- Ryan Coffee,
- Sebastian Trippel,
- Thomas Kierspel,
- Cédric Bomme,
- John D. Bozek,
- Mitchell Burkett,
- Sebastian Carron,
- Ken R. Ferguson,
- Lutz Foucar,
- Jochen Küpper,
- Tatiana Marchenko,
- Catalin Miron,
- Minna Patanen,
- Timur Osipov,
- Sebastian Schorb,
- Marc Simon,
- Michelle Swiggers,
- Simone Techert,
- Kiyoshi Ueda,
- Christoph Bostedt,
- Daniel Rolles,
- Artem Rudenko
Affiliations
- Rebecca Boll
- Deutsches Elektronen–Synchrotron (DESY), 22607 Hamburg, Germany
- Benjamin Erk
- Deutsches Elektronen–Synchrotron (DESY), 22607 Hamburg, Germany
- Ryan Coffee
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
- Sebastian Trippel
- Center for Free-Electron Laser Science, DESY, 22607 Hamburg, Germany
- Thomas Kierspel
- Center for Free-Electron Laser Science, DESY, 22607 Hamburg, Germany
- Cédric Bomme
- Deutsches Elektronen–Synchrotron (DESY), 22607 Hamburg, Germany
- John D. Bozek
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
- Mitchell Burkett
- J.R. Macdonald Laboratory, Kansas State University, Manhattan, Kansas 66506, USA
- Sebastian Carron
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
- Ken R. Ferguson
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
- Lutz Foucar
- Max Planck Institute for Medical Research, 69120 Heidelberg, Germany
- Jochen Küpper
- Center for Free-Electron Laser Science, DESY, 22607 Hamburg, Germany
- Tatiana Marchenko
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, UMR 7614, Laboratoire de Chimie Physique–Matiere et Rayonnement, F-75005 Paris, France
- Catalin Miron
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, F-91192 Gif-sur-Yvette Cedex, France
- Minna Patanen
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, F-91192 Gif-sur-Yvette Cedex, France
- Timur Osipov
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
- Sebastian Schorb
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
- Marc Simon
- Sorbonne Universités, UPMC Univ Paris 06, CNRS, UMR 7614, Laboratoire de Chimie Physique–Matiere et Rayonnement, F-75005 Paris, France
- Michelle Swiggers
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
- Simone Techert
- Deutsches Elektronen–Synchrotron (DESY), 22607 Hamburg, Germany
- Kiyoshi Ueda
- IMRAM, Tohoku University, 980-8577 Sendai, Japan
- Christoph Bostedt
- SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
- Daniel Rolles
- Deutsches Elektronen–Synchrotron (DESY), 22607 Hamburg, Germany
- Artem Rudenko
- J.R. Macdonald Laboratory, Kansas State University, Manhattan, Kansas 66506, USA
- DOI
- https://doi.org/10.1063/1.4944344
- Journal volume & issue
-
Vol. 3,
no. 4
pp. 043207 – 043207-15
Abstract
Ultrafast electron transfer in dissociating iodomethane and fluoromethane molecules was studied at the Linac Coherent Light Source free-electron laser using an ultraviolet-pump, X-ray-probe scheme. The results for both molecules are discussed with respect to the nature of their UV excitation and different chemical properties. Signatures of long-distance intramolecular charge transfer are observed for both species, and a quantitative analysis of its distance dependence in iodomethane is carried out for charge states up to I21+. The reconstructed critical distances for electron transfer are in good agreement with a classical over-the-barrier model and with an earlier experiment employing a near-infrared pump pulse.
