Molecular Orbital Constants for Hydronium ion (H3O+) MO B (eV) U (eV) N Q DblIon Special Remarks 1a1 571.54 794.48 2 1 No none none 2a1 45.59 72.42 2 1 No none none 1e 29.90 52.11 4 1 No none none 3a1 24.7 65.41 2 1 No none none