Correlations between Electronic States of Atoms and Molecules in the Alkali Earth Hydrides

Abstract

IN a recent paper, More and Cornell¹ discuss the potential energy curves for strontium hydride (SrH) based on some absorption investigations of the C and D band systems of this hydride. Two years ago, in a similar investigation (not mentioned in the paper of More and Cornell), I obtained² somewhat different results concerning the correlation between the energy levels of SrH and Sr + H. More and Cornell suggest that the C, ²Î£ state of SrH predissociates into the ³D level of Sr. Correspondingly, the D, ²Î£ and E, ²Î are connected with ³D, and the A, ²Î and B, ²Î£ with the ³P state of Sr. In my previous work, on the contrary, I proposed the ³P level of Sr as the predissociation limit of C,²Î£, all remaining states A, B, D and E dissociating into ³P. This correlation of mine was suggested as an alternative in the paper of More and Cornell.