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

Kierspel, Thomas; Morgan, Andrew; Wiese, Joss; Mullins, Terry; Aquila, Andy; Barty, Anton; Bean, Richard; Boll, Rebecca; Boutet, Sebastien; Bucksbaum, Philip; Chapman, Henry N.; Christensen, Lauge; Fry, Alan; Hunter, Mark; Koglin, Jason E.; Liang, Mengning; Mariani, Valerio; Natan, Adi; Robinson, Joseph; Rolles, Daniel; Rudenko, Artem; Schnorr, Kirsten; Stapelfeldt, Henrik; Stern, Stephan; Thogersen, Jan; Yoon, Chun Hong; Wang, Fenglin; Kuepper, Jochen

doi:10.1063/1.5133963

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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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Schnorr, Kirsten
Division Prof. Dr. Thomas Pfeifer, MPI for Nuclear Physics, Max Planck Society;

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Citation

Kierspel, T., Morgan, A., Wiese, J., Mullins, T., Aquila, A., Barty, A., et al. (2020). 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. doi:10.1063/1.5133963.

Cite as: https://hdl.handle.net/21.11116/0000-0008-1CE0-C

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 approximate to 130 pm) provided by the Linac Coherent Light Source. Diffracted photons were recorded on the Cornell-SLAC pixel array 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 be 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. Published under license by AIP Publishing.