Low-Energy 5Σ+g States of the Nitrogen Molecule

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Abstract
The wave functions of the two 5Σ+g states of N2 derivable from configurationally unexcited (s2p3) atoms, one from 4S+4S atomic states, the second from 4S+2D states, are examined. With the help of empirical data on the normal state of F2, to which the valence‐bond structure of the lower of the two 5Σ+g states is closely related, estimated potential curves for the two states are constructed. It is shown that for the lower 5Σ+g state, the theoretically expected curve agrees rather well with that deduced from empirical evidence {see Carroll's accompanying paper [J. Chem. Phys. 37, 805 (1962) ]}. The wave function of the 5Σ—g state from 4S+2P atoms is also given.

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