Molecular Orbital Constants for Methylene (CH2) MO B (eV) U (eV) N Q DblIon Special Remarks 2a1 23.59 35.20 2 1 No none none 1b1 16.43 26.70 2 1 No none none 3a1 12.32 31.88 1 1 No none none 1b2 10.40 31.80 1 1 No none none