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Imaging The Reactive Radical-cation Complex In The Ionized Liquid Water
Lin, Ming-Fu
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https://hdl.handle.net/2142/116752
Description
- Title
- Imaging The Reactive Radical-cation Complex In The Ionized Liquid Water
- Author(s)
- Lin, Ming-Fu
- Issue Date
- 2022-06-21
- Keyword(s)
- Mini-symposium: Spectroscopy meets Chemical Dynamics
- Abstract
- Liquid water is important in nature and plays a critical role in numerous chemical and biological applications. The elementary reaction pathways for ionized water have been extensively studied, however, the short-lived reactive complex and its structural dynamic response after the proton transfer reaction remain illusive. Using a liquid-phase ultrafast electron diffraction technique to study the intermolecular oxygen-oxygen and oxygen-hydrogen bonds, we captured the short-lived radical-cation complex OH(H3O+) that was formed within 140 fs through a direct and fast oxygen-oxygen bond contraction and proton transfer, followed by the radical-cation pair dissociation and the subsequent structural relaxation of water shells within 250 fs. These studies provide direct evidence of this short-lived metastable radical-cation complex before separation, therefore improving our fundamental understanding of elementary reaction dynamics in ionized liquid water.
- Publisher
- International Symposium on Molecular Spectroscopy
- Type of Resource
- text
- Genre of Resource
- Conference Paper / Presentation
- Language
- eng
- Handle URL
- https://hdl.handle.net/2142/116752
- DOI
- https://doi.org/10.15278/isms.2022.TA10
- Copyright and License Information
- Copyright 2022 held by the authors
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