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High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

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Published on: June 28, 2016

Highly delocalized orbiting resonances.

A García-Vela¹

¹Instituto de Fisica Fundamental, C. S. I. C., Serrano 123, 28006 Madrid, Spain. garciavela@imaff.cfmac.csic.es

The Journal of Chemical Physics

|December 3, 2008

Summary

Long-lived orbiting resonances in Ne-Br2 complexes were characterized. These resonances, supported by centrifugal barriers, are highly delocalized, forming large-sized complexes.

Area of Science:

Physical Chemistry
Chemical Physics
Molecular Spectroscopy

Background:

Intermolecular resonances play a crucial role in chemical dynamics.
Understanding the nature of these resonances is key to predicting reaction pathways and complex formation.
Previous studies have hinted at the existence of such states in Ne-Br2 systems.

Purpose of the Study:

To characterize the Ne-Br2 intermolecular resonances within the v=26 vibrational manifold.
To confirm the nature of these resonances as long-lived, orbiting states.
To investigate the spatial delocalization and size of the resulting Ne-Br2 complexes.

Main Methods:

Characterization of intermolecular resonances using spectroscopic techniques.
Analysis of resonance properties, including lifetime and overlap.

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Investigation of the role of centrifugal barriers in supporting orbiting resonances.

Determination of the spatial distribution of the Ne-Br2 complexes.

Main Results:

The Ne-Br2 intermolecular resonances were successfully characterized.
The states were confirmed to be long-lived, strongly overlapping orbiting resonances.
Centrifugal barriers, arising from rotational excitation of Br2, were identified as the supporting mechanism.
These orbiting resonances exhibit high spatial delocalization in radial and angular coordinates.
The formation of long-lived, large-sized Ne-Br2 complexes was observed.

Conclusions:

The study confirms the existence and nature of Ne-Br2 intermolecular orbiting resonances.
These resonances are characterized by long lifetimes and significant spatial delocalization.
The findings contribute to a deeper understanding of van der Waals complexes and their dynamics.