Coulomb explosion imaging of CH 3 I and CH 2 ClI photodissociation dynamics.

Autor: Allum F; The Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3TA, United Kingdom., Burt M; The Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3TA, United Kingdom., Amini K; The Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3TA, United Kingdom., Boll R; Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Köckert H; The Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3TA, United Kingdom., Olshin PK; Saint-Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia., Bari S; Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Bomme C; Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Brauße F; Max-Born-Institut, Max-Born-Straße 2A, 12489 Berlin, Germany., Cunha de Miranda B; Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, LCPMR, F-75005 Paris, France., Düsterer S; Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Erk B; Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Géléoc M; LIDYL, CEA, CNRS, Université Paris-Saclay, CEA-Saclay, 91191 Gif-sur-Yvette, France., Geneaux R; LIDYL, CEA, CNRS, Université Paris-Saclay, CEA-Saclay, 91191 Gif-sur-Yvette, France., Gentleman AS; The Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3QZ, United Kingdom., Goldsztejn G; Max-Born-Institut, Max-Born-Straße 2A, 12489 Berlin, Germany., Guillemin R; Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, LCPMR, F-75005 Paris, France., Holland DMP; Daresbury Laboratory, Daresbury, Warrington, Cheshire WA4 4AD, United Kingdom., Ismail I; Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, LCPMR, F-75005 Paris, France., Johnsson P; Department of Physics, Lund University, 22100 Lund, Sweden., Journel L; Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, LCPMR, F-75005 Paris, France., Küpper J; Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Lahl J; Department of Physics, Lund University, 22100 Lund, Sweden., Lee JWL; The Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3TA, United Kingdom., Maclot S; Department of Physics, Lund University, 22100 Lund, Sweden., Mackenzie SR; The Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3QZ, United Kingdom., Manschwetus B; Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Mereshchenko AS; Saint-Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034, Russia., Mason R; The Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3TA, United Kingdom., Palaudoux J; Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, LCPMR, F-75005 Paris, France., Piancastelli MN; Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, LCPMR, F-75005 Paris, France., Penent F; Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, LCPMR, F-75005 Paris, France., Rompotis D; Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Rouzée A; Max-Born-Institut, Max-Born-Straße 2A, 12489 Berlin, Germany., Ruchon T; LIDYL, CEA, CNRS, Université Paris-Saclay, CEA-Saclay, 91191 Gif-sur-Yvette, France., Rudenko A; J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506, USA., Savelyev E; Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Simon M; Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, LCPMR, F-75005 Paris, France., Schirmel N; Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Stapelfeldt H; Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark., Techert S; Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Travnikova O; Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, LCPMR, F-75005 Paris, France., Trippel S; Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Underwood JG; Department of Physics and Astronomy, University College London, London WC1E 6BT, United Kingdom., Vallance C; The Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3TA, United Kingdom., Wiese J; Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany., Ziaee F; J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506, USA., Brouard M; The Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Oxford OX1 3TA, United Kingdom., Marchenko T; Sorbonne Université, CNRS, Laboratoire de Chimie Physique-Matière et Rayonnement, LCPMR, F-75005 Paris, France., Rolles D; J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506, USA.
Jazyk: angličtina
Zdroj: The Journal of chemical physics [J Chem Phys] 2018 Nov 28; Vol. 149 (20), pp. 204313.
DOI: 10.1063/1.5041381
Abstrakt: The photodissociation dynamics of CH 3 I and CH 2 ClI at 272 nm were investigated by time-resolved Coulomb explosion imaging, with an intense non-resonant 815 nm probe pulse. Fragment ion momenta over a wide m / z range were recorded simultaneously by coupling a velocity map imaging spectrometer with a pixel imaging mass spectrometry camera. For both molecules, delay-dependent pump-probe features were assigned to ultraviolet-induced carbon-iodine bond cleavage followed by Coulomb explosion. Multi-mass imaging also allowed the sequential cleavage of both carbon-halogen bonds in CH 2 ClI to be investigated. Furthermore, delay-dependent relative fragment momenta of a pair of ions were directly determined using recoil-frame covariance analysis. These results are complementary to conventional velocity map imaging experiments and demonstrate the application of time-resolved Coulomb explosion imaging to photoinduced real-time molecular motion.
Databáze: MEDLINE