Molecular Orbital Constants for Nitrogen molecule (N2) MO B (eV) U (eV) N Q DblIon Special Remarks 2greek:sigmag 41.72 71.13 2 1 No none none 2greek:sigmau 21.00 63.18 2 1 No none none 1greek:piu 17.07 44.30 4 1 No none none 3greek:sigmag 15.58 54.91 2 1 No none none