Molecular Orbital Constants for Propane (C3H8) MO B (eV) U (eV) N Q DblIon Special Remarks 3a1 28.69 34.45 2 1 No none none 2b1 25.25 34.96 2 1 No none none 4a1 21.86 33.32 2 1 No none none 1b2 17.04 23.46 2 1 No none none 5a1 16.30 25.80 2 1 No none none 3b1 15.03 28.08 2 1 No none none 1a2 14.53 27.09 2 1 No none none 6a1 12.98 31.21 2 1 No none none 4b1 12.97 34.09 2 1 No none none 2b2 10.95 28.53 2 1 No none none