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Title: A localized view on molecular dissociation via electron-ion partial covariance

Abstract

Inner-shell photoelectron spectroscopy provides an element-specific probe of molecular structure, as core-electron binding energies are sensitive to the chemical environment. Short-wavelength femtosecond light sources, such as Free-Electron Lasers (FELs), even enable time-resolved site-specific investigations of molecular photochemistry. Here, we study the ultraviolet photodissociation of the prototypical chiral molecule 1-iodo-2-methylbutane, probed by extreme-ultraviolet (XUV) pulses from the Free-electron LASer in Hamburg (FLASH) through the ultrafast evolution of the iodine 4d binding energy. Methodologically, we employ electron-ion partial covariance imaging as a technique to isolate otherwise elusive features in a two-dimensional photoelectron spectrum arising from different photofragmentation pathways. The experimental and theoretical results for the time-resolved electron spectra of the 4d3/2 and 4d5/2 atomic and molecular levels that are disentangled by this method provide a key step towards studying structural and chemical changes from a specific spectator site.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [4]; ORCiD logo [5]; ORCiD logo [6];  [4];  [5]; ORCiD logo [7]; ORCiD logo [8];  [5]; ORCiD logo [8];  [4];  [4]; ORCiD logo [7]; ORCiD logo [8];  [9]; ORCiD logo [10]; ORCiD logo [11];  [5] more »; ORCiD logo [8];  [7]; ORCiD logo [4];  [8];  [5]; ORCiD logo [8];  [5];  [5];  [5]; ORCiD logo [9]; ORCiD logo [7];  [8];  [12];  [4]; ORCiD logo [13];  [14]; ORCiD logo [15]; ORCiD logo [5]; ORCiD logo [7];  [2] « less
+ Show Author Affiliations
  1. Univ. of Oxford (United Kingdom); SLAC National Accelerator Lab., Menlo Park, CA (United States). Photon Ultrafast Laser Science and Engineering Inst. (PULSE)
  2. Universität Kassel (Germany); European XFEL, Schenefeld (Germany); Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  3. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science
  4. European XFEL, Schenefeld (Germany)
  5. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  6. Universität Kassel (Germany); European XFEL, Schenefeld (Germany)
  7. Univ. of Oxford (United Kingdom)
  8. Universität Kassel (Germany)
  9. Stockholm Univ. (Sweden)
  10. Univ. of Oxford (United Kingdom); Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
  11. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany). Center for Free-Electron Laser Science; Peking Univ., Beijing (China)
  12. Max Born Institute, Berlin (Germany)
  13. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  14. Univ. of Gothenburg (Sweden)
  15. Kansas State Univ., Manhattan, KS (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); EPSRC Programme Grants; German Research Foundation (DFG); Max Planck Society; Volkswagon Foundation; Helmholtz Initiative; National Science Foundation (NSF)
OSTI Identifier:
1866598
Grant/Contract Number:  
AC02-76SF00515; PHYS-1753324; EP/L005913/1; EP/T021675/1; EP/S028617/1; 328961117-SFB 1319-ELCH
Resource Type:
Accepted Manuscript
Journal Name:
Communications Chemistry
Additional Journal Information:
Journal Volume: 5; Journal Issue: 1; Journal ID: ISSN 2399-3669
Publisher:
Springer Nature
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 74 ATOMIC AND MOLECULAR PHYSICS

Citation Formats

Allum, Felix, Music, Valerija, Inhester, Ludger, Boll, Rebecca, Erk, Benjamin, Schmidt, Philipp, Baumann, Thomas M., Brenner, Günter, Burt, Michael, Demekhin, Philipp V., Dörner, Simon, Ehresmann, Arno, Galler, Andreas, Grychtol, Patrik, Heathcote, David, Kargin, Denis, Larsson, Mats, Lee, Jason L., Li, Zheng, Manschwetus, Bastian, Marder, Lutz, Mason, Robert, Meyer, Michael, Otto, Huda, Passow, Christopher, Pietschnig, Rudolf, Ramm, Daniel, Schubert, Kaja, Schwob, Lucas, Thomas, Richard D., Vallance, Claire, Vidanović, Igor, von Korff Schmising, Clemens, Wagner, René, Walter, Peter, Zhaunerchyk, Vitali, Rolles, Daniel, Bari, Sadia, Brouard, Mark, and Ilchen, Markus. A localized view on molecular dissociation via electron-ion partial covariance. United States: N. p., 2022. Web. doi:10.1038/s42004-022-00656-w.
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Allum, Felix, Music, Valerija, Inhester, Ludger, Boll, Rebecca, Erk, Benjamin, Schmidt, Philipp, Baumann, Thomas M., Brenner, Günter, Burt, Michael, Demekhin, Philipp V., Dörner, Simon, Ehresmann, Arno, Galler, Andreas, Grychtol, Patrik, Heathcote, David, Kargin, Denis, Larsson, Mats, Lee, Jason L., Li, Zheng, Manschwetus, Bastian, Marder, Lutz, Mason, Robert, Meyer, Michael, Otto, Huda, Passow, Christopher, Pietschnig, Rudolf, Ramm, Daniel, Schubert, Kaja, Schwob, Lucas, Thomas, Richard D., Vallance, Claire, Vidanović, Igor, von Korff Schmising, Clemens, Wagner, René, Walter, Peter, Zhaunerchyk, Vitali, Rolles, Daniel, Bari, Sadia, Brouard, Mark, & Ilchen, Markus. A localized view on molecular dissociation via electron-ion partial covariance. United States. https://doi.org/10.1038/s42004-022-00656-w
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Allum, Felix, Music, Valerija, Inhester, Ludger, Boll, Rebecca, Erk, Benjamin, Schmidt, Philipp, Baumann, Thomas M., Brenner, Günter, Burt, Michael, Demekhin, Philipp V., Dörner, Simon, Ehresmann, Arno, Galler, Andreas, Grychtol, Patrik, Heathcote, David, Kargin, Denis, Larsson, Mats, Lee, Jason L., Li, Zheng, Manschwetus, Bastian, Marder, Lutz, Mason, Robert, Meyer, Michael, Otto, Huda, Passow, Christopher, Pietschnig, Rudolf, Ramm, Daniel, Schubert, Kaja, Schwob, Lucas, Thomas, Richard D., Vallance, Claire, Vidanović, Igor, von Korff Schmising, Clemens, Wagner, René, Walter, Peter, Zhaunerchyk, Vitali, Rolles, Daniel, Bari, Sadia, Brouard, Mark, and Ilchen, Markus. Mon . "A localized view on molecular dissociation via electron-ion partial covariance". United States. https://doi.org/10.1038/s42004-022-00656-w. https://www.osti.gov/servlets/purl/1866598.
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@article{osti_1866598,
title = {A localized view on molecular dissociation via electron-ion partial covariance},
author = {Allum, Felix and Music, Valerija and Inhester, Ludger and Boll, Rebecca and Erk, Benjamin and Schmidt, Philipp and Baumann, Thomas M. and Brenner, Günter and Burt, Michael and Demekhin, Philipp V. and Dörner, Simon and Ehresmann, Arno and Galler, Andreas and Grychtol, Patrik and Heathcote, David and Kargin, Denis and Larsson, Mats and Lee, Jason L. and Li, Zheng and Manschwetus, Bastian and Marder, Lutz and Mason, Robert and Meyer, Michael and Otto, Huda and Passow, Christopher and Pietschnig, Rudolf and Ramm, Daniel and Schubert, Kaja and Schwob, Lucas and Thomas, Richard D. and Vallance, Claire and Vidanović, Igor and von Korff Schmising, Clemens and Wagner, René and Walter, Peter and Zhaunerchyk, Vitali and Rolles, Daniel and Bari, Sadia and Brouard, Mark and Ilchen, Markus},
abstractNote = {Inner-shell photoelectron spectroscopy provides an element-specific probe of molecular structure, as core-electron binding energies are sensitive to the chemical environment. Short-wavelength femtosecond light sources, such as Free-Electron Lasers (FELs), even enable time-resolved site-specific investigations of molecular photochemistry. Here, we study the ultraviolet photodissociation of the prototypical chiral molecule 1-iodo-2-methylbutane, probed by extreme-ultraviolet (XUV) pulses from the Free-electron LASer in Hamburg (FLASH) through the ultrafast evolution of the iodine 4d binding energy. Methodologically, we employ electron-ion partial covariance imaging as a technique to isolate otherwise elusive features in a two-dimensional photoelectron spectrum arising from different photofragmentation pathways. The experimental and theoretical results for the time-resolved electron spectra of the 4d3/2 and 4d5/2 atomic and molecular levels that are disentangled by this method provide a key step towards studying structural and chemical changes from a specific spectator site.},
doi = {10.1038/s42004-022-00656-w},
journal = {Communications Chemistry},
number = 1,
volume = 5,
place = {United States},
year = {Mon Mar 28 00:00:00 EDT 2022},
month = {Mon Mar 28 00:00:00 EDT 2022}
}
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