Abstract
Intramolecular charge transfer in aminobenzonitrile (DIABN) single crystals is studied by a combination of ultrafast techniques. The intramolecular dynamics is probed by time-resolved spectroscopy in the UV/Vis and mid-IR. The intermolecular structural response is investigated by transient X-ray scattering and transmission experiments. A theoretical analysis shows that diffuse scattering and dipole solvation determine the X-ray data. The observed dynamics results from charge transfer reaction leading to strong local changes of molecular dipole moments and related structural rearrangements in the crystal.
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Braun, M., Root, C., Lederer, F.J. et al. Ultrafast X-ray experiments on structural changes in single crystals of polar molecules. Appl. Phys. A 96, 107–115 (2009). https://doi.org/10.1007/s00339-009-5170-x
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DOI: https://doi.org/10.1007/s00339-009-5170-x