dissociation limit

dissociation limit

[də′sō·sē′ā·shən ‚lim·ət]
(spectroscopy)
The wavelength, in a series of vibrational bands in a molecular spectrum, corresponding to the point at which the molecule dissociates into its constituent atoms; it corresponds to the convergence limit.
References in periodicals archive ?
This electronic structure is reminiscent of the electronic structure of the H2 molecule at dissociation limit.