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Title: Charge transfer in dissociating iodomethane and fluoromethane molecules ionized by intense femtosecond X-ray pulses

Journal Article · · Structural Dynamics
DOI:https://doi.org/10.1063/1.4944344· OSTI ID:1624995
 [1];  [2];  [3];  [4];  [2];  [3];  [5];  [3];  [3];  [6];  [7];  [8];  [9];  [10];  [3];  [11];  [8];  [11];  [12];  [13] more »;  [14];  [15];  [5] « less
  1. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Max Planck Inst. fuer Kernphysik, Heidelberg (Germany)
  2. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science; Univ. of Hamburg (Germany). Center for Ultrafast Imaging
  5. Kansas State Univ., Manhattan, KS (United States). J.R. Macdonald Lab.
  6. Max Planck Inst. for Medical Research, Heidelberg (Germany)
  7. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science; Univ. of Hamburg (Germany). Center for Ultrafast Imaging; Univ. of Hamburg (Germany). Dept. of Physics
  8. Sorbonne Univ., Paris (France). Laboratoire de Chimie Physique–Matiere et Rayonnement. CNRS
  9. Synchrotron SOLEIL, Gif-sur-Yvette Cedex (France). L'Orme des Merisiers; Horia Hulubei National Inst.for Physics and Nuclear Engineering, Ilfov (Romania). Extreme Light Infrastructure – Nuclear Physics
  10. Synchrotron SOLEIL, Gif-sur-Yvette Cedex (France). L'Orme des Merisiers; Univ. of Oulu (Finland). Molecular Materials Research Community
  11. SLAC National Accelerator Laboratory, Menlo Park, California 94025, USA
  12. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Max Planck Inst. for Biophysical Chemistry, Göttingen (Germany); Univ. of Göttingen (Germany). Inst. of X-ray Physics
  13. Tohoku Univ., Sendai (Japan). IMRAM
  14. SLAC National Accelerator Lab., Menlo Park, CA (United States); Argonne National Lab. (ANL), Argonne, IL (United States); Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy
  15. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); Kansas State Univ., Manhattan, KS (United States). J.R. Macdonald Lab.

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 I 21þ. 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. VC 2016 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http:// creativecommons.org/licenses/by/4.0/). [http://dx.doi.org/10.1063/1.4944344]

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division
Grant/Contract Number:
AC02-76SF00515; AC02-06CH11357
OSTI ID:
1624995
Journal Information:
Structural Dynamics, Vol. 3, Issue 4; ISSN 2329-7778
Publisher:
American Crystallographic Association/AIPCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (33)

The LAMP instrument at the Linac Coherent Light Source free-electron laser journal March 2018
Preface to the Special Edition on Femtochemistry and “The Hamburg Conference on Femtochemistry 2015 (FEMTO12)” journal July 2016
Frustrated Coulomb explosion of small helium clusters text January 2018
High-repetition-rate and high-photon-flux 70 eV high-harmonic source for coincidence ion imaging of gas-phase molecules journal January 2016
Coulomb explosion of CD3I induced by single photon deep inner-shell ionisation preprint January 2019
Femtosecond response of polyatomic molecules to ultra-intense hard X-rays journal May 2017
Time-resolved electron spectroscopy for chemical analysis of photodissociation: Photoelectron spectra of Fe(CO) 5 , Fe(CO) 4 , and Fe(CO) 3 journal July 2018
Coulomb-explosion imaging of concurrent CH$_{2}$BrI photodissociation dynamics text January 2017
Perspective: Opportunities for ultrafast science at SwissFEL text January 2017
Coulomb explosion imaging of CH 3 I and CH 2 ClI photodissociation dynamics journal November 2018
Time-resolved inner-shell photoelectron spectroscopy: From a bound molecule to an isolated atom text January 2018
Absorption spectra at the iodine 3d ionisation threshold following the CH$_x$I$^+$ ($x = 0-3$) cation sequence text January 2019
Pure Molecular Beam of Water Dimer text January 2019
Perspective: Opportunities for ultrafast science at SwissFEL journal November 2017
Perspective: Opportunities for ultrafast science at SwissFEL text January 2017
High-repetition-rate and high-photon-flux 70 eV high-harmonic source for coincidence ion imaging of gas-phase molecules text January 2016
Theoretical evidence for the sensitivity of charge-rearrangement-enhanced x-ray ionization to molecular size text January 2019
The LAMP instrument at the Linac Coherent Light Source free-electron laser text January 2018
Absorption spectra at the iodine 3d ionisation threshold following the CH x I + ( x = 0–3) cation sequence journal January 2019
Coulomb explosion imaging of $CH_{3}I$ and $C_{2}ClI$ photodissociation dynamics text January 2018
Preface to the Special Edition on Femtochemistry and “The Hamburg Conference on Femtochemistry 2015 (FEMTO12)” text January 2016
Time-resolved imaging of bound and dissociating nuclear wave packets in strong-field ionized iodomethane journal January 2019
Theoretical evidence for the sensitivity of charge-rearrangement-enhanced x-ray ionization to molecular size text January 2019
Alignment, orientation, and Coulomb explosion of difluoroiodobenzene studied with the pixel imaging mass spectrometry (PImMS) camera journal July 2017
Frustrated Coulomb explosion of small helium clusters text January 2018
High-repetition-rate and high-photon-flux 70 eV high-harmonic source for coincidence ion imaging of gas-phase molecules text January 2016
Photodissociation of aligned CH 3 I and C 6 H 3 F 2 I molecules probed with time-resolved Coulomb explosion imaging by site-selective extreme ultraviolet ionization journal January 2018
Time-resolved electron spectroscopy for chemical analysis of photodissociation: Photoelectron spectra of Fe(CO)$_5$ , Fe(CO)$_4$ , and Fe(CO)$_3$ text January 2018
Frustrated Coulomb explosion of small helium clusters journal November 2018
Coulomb-explosion imaging of concurrent CH 2 BrI photodissociation dynamics journal October 2017
Photoionization of the iodine 3d, 4s, and 4p orbitals in methyl iodide journal October 2018
Photoionization of the iodine 3d, 4s, and 4p orbitals in methyl iodide text January 2018
Theoretical evidence for the sensitivity of charge-rearrangement-enhanced x-ray ionization to molecular size journal July 2019

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