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Potential characteristics of the mercury-methane van der Waals complex

✍ Scribed by Marie-Christine Duval; Benoit Soep


Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
593 KB
Volume
141
Category
Article
ISSN
0009-2614

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✦ Synopsis


The Hg-CH4 van der Waals complex has been studied in a supersonic jet expansion, in transitions correlated with the 6 'SO+6 "PI mercury transitions. Fluorescence excitation spectra and action spectra have been recorded to analyse the corresponding transitions X-A and X+B. Through isotopic substitution of methane with deuterated methane, the origin band is assigned, and the vibrations of the complex characterised in a simple quasidiatomic fashion as stretching and bending motions of methane with respect to mercury. These motions correspond to the radial and angular potentials of the complex. Emission spectra from selected stretch levels in the A and B states have confirmed the vibrational quantum assignment and provided a full determination of the radial ground-state potential.


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