Communication: Gas-phase structural isomer identification by Coulomb explosion of aligned molecules

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  • Michael Burt, University of Oxford, Oxford
  • ,
  • Kasra Amini, University of Oxford, Oxford
  • ,
  • Jason W.L. Lee, University of Oxford, Oxford
  • ,
  • Lars Christiansen
  • ,
  • Rasmus R. Johansen
  • ,
  • Yuki Kobayashi, UC Berkeley
  • ,
  • James D. Pickering
  • Claire Vallance, University of Oxford, Oxford
  • ,
  • Mark Brouard, University of Oxford, Oxford
  • ,
  • Henrik Stapelfeldt

The gas-phase structures of four difluoroiodobenzene and two dihydroxybromobenzene isomers were identified by correlating the emission angles of atomic fragment ions created, following femtosecond laser-induced Coulomb explosion. The structural determinations were facilitated by confining the most polarizable axis of each molecule to the detection plane prior to the Coulomb explosion event using one-dimensional laser-induced adiabatic alignment. For a molecular target consisting of two difluoroiodobenzene isomers, each constituent structure could additionally be singled out and distinguished.

Original languageEnglish
Article number091102
JournalJournal of Chemical Physics
Pages (from-to)091102,1-091102,5
Number of pages6
Publication statusPublished - 7 Mar 2018

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