Electronic structure of small metal clusters. I. Anions of Be2, Be3, and Be4

This is the authors' abstract. We don't add key points for this paper.

A b initio calculations have been carried out for Be, Be2, Be3, Be4, and their anions. Whereas Be− is unstable with respect to electron detachment, Be2, Be3, and Be4, posses stable negative ions. The electron affinity increases with cluster size as would be expected from simple perturbation theory considerations.