On Charge Sharing in Diatomic Quasimolecules
If a diatomic molecule is pulled apart into two atomic fragments, the electronic charge is shared between the separating atoms in a way that is closely related to the nature of the chemical bond which is broken. Whereas in chemistry one usually deals with neutral sytems and hence with very few competing stable fragmentation channels, the situation is quite different in slow collisions of highly charged projectile ions with neutral target atoms. Here, with increasing net positive charge, an increasing number of stable fragmentation channels becomes accessible. Owing to the present development of sources for slow highly charged ions, charge sharing becomes an increasingly more important degree of freedom.
KeywordsPotential Energy Surface Charge Asymmetry Fractional Charge Fragmentation Channel Charge Sharing
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- 7.R. McWeeny, Coulson’s Valence, 3rdfdition (Oxford University Press, 1979), p. 153 ff.Google Scholar