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X-ray imaging of chemically active valence electrons during a pericyclic reaction

Author

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  • Timm Bredtmann

    (Max Born Institute, Max-Born-Strasse 2A, 12489 Berlin, Germany)

  • Misha Ivanov

    (Max Born Institute, Max-Born-Strasse 2A, 12489 Berlin, Germany
    Blackett Laboratory, Imperial College London)

  • Gopal Dixit

    (Max Born Institute, Max-Born-Strasse 2A, 12489 Berlin, Germany)

Abstract

Time-resolved imaging of chemically active valence electron densities is a long-sought goal, as these electrons dictate the course of chemical reactions. However, X-ray scattering is always dominated by the core and inert valence electrons, making time-resolved X-ray imaging of chemically active valence electron densities extremely challenging. Here we demonstrate an effective and robust method, which emphasizes the information encoded in weakly scattered photons, to image chemically active valence electron densities. The degenerate Cope rearrangement of semibullvalene, a pericyclic reaction, is used as an example to visually illustrate our approach. Our work also provides experimental access to the long-standing problem of synchronous versus asynchronous bond formation and breaking during pericyclic reactions.

Suggested Citation

  • Timm Bredtmann & Misha Ivanov & Gopal Dixit, 2014. "X-ray imaging of chemically active valence electrons during a pericyclic reaction," Nature Communications, Nature, vol. 5(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms6589
    DOI: 10.1038/ncomms6589
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    Cited by:

    1. Joel Martis & Sandhya Susarla & Archith Rayabharam & Cong Su & Timothy Paule & Philipp Pelz & Cassandra Huff & Xintong Xu & Hao-Kun Li & Marc Jaikissoon & Victoria Chen & Eric Pop & Krishna Saraswat &, 2023. "Imaging the electron charge density in monolayer MoS2 at the Ångstrom scale," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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