Abstract
Structures and frequencies of 1A1 and 3Σ NaO+2 were calculated at the HF/6‐31G level, and energies at the MP4/6‐31G level. Predicted IPs for NaO2 are 8.86 and 7.35 eV, respectively. The barrier to exothermic dissociation of the 3Σ ion to Na++O2 is about 4 kJ mol−1.