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Preprint PUBDB-2024-01855
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X-ray diffractive imaging of controlled gas-phase molecules: Toward imaging of dynamics in the molecular frame

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2020

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Report No.: arXiv:1910.13494

Abstract: We report experimental results on the diffractive imaging of three-dimensionally aligned 2,5-diiodothiophene molecules. The molecules were aligned by chirped near-infrared laser pulses, and their structure was probed at a photon energy of 9.5 keV ($\lambda\approx130 \text{pm}$) provided by the Linac Coherent Light Source. Diffracted photons were recorded on the CSPAD detector and a two-dimensional diffraction pattern of the equilibrium structure of 2,5-diiodothiophene was recorded. The retrieved distance between the two iodine atoms agrees with the quantum-chemically calculated molecular structure to within 5 %. The experimental approach allows for the imaging of intrinsic molecular dynamics in the molecular frame, albeit this requires more experimental data which should be readily available at upcoming high-repetition-rate facilities.

Classification:
Contributing Institute(s):
  1. CFEL-CMI (FS-CFEL-CMI)
  2. beauftragt von UNI (UNI/CUI)
  3. Uni Hamburg / Experimentalphysik (UNI/EXP)
  4. CFEL-Coherent X-Ray Imaging (FS-CFEL-1)
Research Program(s):
  1. 631 - Matter – Dynamics, Mechanisms and Control (POF4-631) (POF4-631)
  2. Ex-Net-0002-Phase2-3 - Advanced Imaging of Matter: Structure, Dynamics and Control on the Atomic Scale - AIM (2018_Ex-Net-0002-Phase2-3) (2018_Ex-Net-0002-Phase2-3)
  3. VH-VI-419 - Dynamic Pathways in Multidimensional Landscapes (VH-VI-419) (VH-VI-419)
  4. COMOTION - Controlling the Motion of Complex Molecules and Particles (614507) (614507)
  5. MEDEA - Molecular Electron Dynamics investigated by IntensE Fields and Attosecond Pulses (641789) (641789)
  6. DFG project 390715994 - EXC 2056: CUI: Advanced Imaging of Matter (390715994) (390715994)
  7. DFG project 194651731 - EXC 1074: Hamburger Zentrum für ultraschnelle Beobachtung (CUI): Struktur, Dynamik und Kontrolle von Materie auf atomarer Skala (194651731) (194651731)
Experiment(s):
  1. Experiments at CFEL
Database coverage:
Published
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Private Collections > >Extern > >HAS-User > >FS-UNI > UNI/CUI
Private Collections > >Extern > >HAS-User > >FS-UNI > UNI/EXP
Private Collections > >DESY > >FS > FS-CFEL-CMI
Private Collections > >DESY > >FS > FS-CFEL-1
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X-ray diffractive imaging of controlled gas-phase molecules: Toward imaging of dynamics in the molecular frame
The journal of chemical physics 152(8), 084307 () [10.1063/1.5133963]  GO OpenAccess  Download fulltext Files  Download fulltextFulltext by arXiv.org BibTeX | EndNote: XML, Text | RIS

 Record created 2024-05-23, last modified 2024-06-11
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