Ultrafast X-Ray Scattering: New Views of Chemical Reaction Dynamics
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arXiv
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| Format: | Preprint |
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2020
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| _version_ | 1866912630769188864 |
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| author | Weber, Peter M. Stankus, Brian Kirrander, Adam |
| author_facet | Weber, Peter M. Stankus, Brian Kirrander, Adam |
| contents | The advent of ultrafast pulsed X-ray free-electron lasers with very high brightness has enabled the determination of transient molecular structures of small and medium-sized organic molecules in excited states and undergoing chemical dynamics using X-ray scattering. This chapter provides an introduction into X-ray scattering theory and considers several important aspects relating to the experimental implementation. Ultrafast gas phase X-ray scattering is shown to provide new observables to elucidate the dynamics of chemical reactions by providing complete, time-dependent molecular structures. Consideration of correlations between structural parameters are important for molecules far from their equilibrium and the changes in electron density distributions of molecules upon optical excitation need to be considered in the analysis. Future technological developments are expected to lead to further important advances. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2003_02839 |
| institution | arXiv |
| publishDate | 2020 |
| record_format | arxiv |
| spellingShingle | Ultrafast X-Ray Scattering: New Views of Chemical Reaction Dynamics Weber, Peter M. Stankus, Brian Kirrander, Adam Chemical Physics The advent of ultrafast pulsed X-ray free-electron lasers with very high brightness has enabled the determination of transient molecular structures of small and medium-sized organic molecules in excited states and undergoing chemical dynamics using X-ray scattering. This chapter provides an introduction into X-ray scattering theory and considers several important aspects relating to the experimental implementation. Ultrafast gas phase X-ray scattering is shown to provide new observables to elucidate the dynamics of chemical reactions by providing complete, time-dependent molecular structures. Consideration of correlations between structural parameters are important for molecules far from their equilibrium and the changes in electron density distributions of molecules upon optical excitation need to be considered in the analysis. Future technological developments are expected to lead to further important advances. |
| title | Ultrafast X-Ray Scattering: New Views of Chemical Reaction Dynamics |
| topic | Chemical Physics |
| url | https://arxiv.org/abs/2003.02839 |