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Updated: Jun 28, 2026

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
Published on: July 27, 2018
The weakly-bound complex Cl.N2O studied by high resolution photodetachment photoelectron spectroscopy
Ulrich Boesl1, Volker Distelrath, Heinrich Selzle
1Physical Chemistry, Chemistry Department, Technical University Munich, Garching, Germany. ulrich.boesl@mytum.de
Investigating the Cl(-).N(2)O complex using photoelectron spectroscopy reveals its structure and energy. These findings offer insights into the prereactive state of the Cl + N(2)O chemical reaction.
Area of Science:
- Chemical Physics
- Molecular Spectroscopy
- Quantum Chemistry
Background:
- Weakly bound molecular complexes are crucial intermediates in chemical reactions.
- Understanding the structure and energetics of such complexes informs reaction dynamics.
Purpose of the Study:
- To characterize the electronic and structural properties of the weakly bound Cl(-).N(2)O complex.
- To determine adiabatic detachment energies and van der Waals mode frequencies.
- To elucidate the role of Cl.N(2)O as a prereactive state.
Main Methods:
- Zero kinetic energy (ZEKE) photoelectron spectroscopy.
- Theoretical simulations and computational modeling.
- Analysis of spectral data to extract energetic and structural information.
Main Results:
- Adiabatic detachment energies for anionic to neutral complex transitions were measured.
- Frequencies of van der Waals modes were determined.
- Experimental data supported by simulations indicate a T-shaped anionic and L-shaped neutral complex.
Conclusions:
- The study provides a detailed characterization of the Cl(-).N(2)O complex.
- Structural and energetic data correlate with the proposed prereactive state for Cl + N(2)O reaction.
- Findings contribute to understanding reaction mechanisms involving halogen atoms and nitrogen oxides.
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