Predesorption of CO from the sodium chloride (100) surface: Study by the complex coordinate method

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Abstract
The rotational predesorption resonances of CO adsorbed on NaCl(100) were calculated by the quantum mechanical complex coordinate method, the CO bond length being varied adiabatically. It is shown that the internal vibrational excitation of adsorbed CO by an infrared laser does not have a strong effect on the resonance positions and lifetimes, i.e., predesorption states, and the desorption of CO from the NaCl(100) surface is probably a rotational predissociation phenomenon.