受控气相分子的 X 射线衍射成像：迈向分子坐标系中的动力学成像
原子与分子团簇
2020-03-18 v2 化学物理
摘要
我们报道了三维对齐的 2,5-二碘噻吩分子的衍射成像实验结果。分子由啁啾近红外激光脉冲对齐，其结构由 Linac Coherent Light Source 提供的 9.5 keV（）光子能量探测。衍射光子记录于 CSPAD 探测器上，并记录了 2,5-二碘噻吩平衡结构的二维衍射图样。所复原的两个碘原子间距离与量子化学计算的分子结构相符，误差在 5% 以内。该实验方法允许在分子坐标系中对本征分子动力学成像，尽管这需要更多实验数据，而在即将建成的高重复频率装置中应易于获得。
引用
@article{arxiv.1910.13494,
title = {X-ray diffractive imaging of controlled gas-phase molecules: Toward imaging of dynamics in the molecular frame},
author = {Thomas Kierspel and Andrew Morgan and Joss Wiese and Terry Mullins and Andy Aquila and Anton Barty and Richard Bean and Rebecca Boll and Sébastien Boutet and Philip Bucksbaum and Henry N. Chapman and Lauge Christensen and Alan Fry and Mark Hunter and Jason E. Koglin and Mengning Liang and Valerio Mariani and Adi Natan and Joseph Robinson and Daniel Rolles and Artem Rudenko and Kirsten Schnorr and Henrik Stapelfeldt and Stephan Stern and Jan Thøgersen and Chun Hong Yoon and Fenglin Wang and Jochen Küpper},
journal= {arXiv preprint arXiv:1910.13494},
year = {2020}
}