Molecular Orbital Constants for Triacetylene (C6H2) MO B (eV) U (eV) N Q DblIon Special Remarks 1greek:sigmag 307.14 435.46 2 1 Yes none none 1greek:sigmau 307.05 436.32 2 1 Yes none none 2greek:sigmag 306.85 435.66 2 1 Yes none none 2greek:sigmau 306.84 435.67 2 1 Yes none none 3greek:sigmau 306.69 436.25 2 1 Yes none none 3greek:sigmag 306.69 436.25 2 1 Yes none none 4greek:sigmag 30.43 47.4 2 1 Yes none none 4greek:sigmau 29.23 48.09 2 1 Yes none none 5greek:sigmag 27.74 49.92 2 1 Yes none none 5greek:sigmau 21.3 45.58 2 1 No none none 6greek:sigmag 19.36 44.32 2 1 No none none 6greek:sigmau 17.65 35.03 2 1 No none none 7greek:sigmag 17.35 37.02 2 1 No none none 1greek:piu 12.94 27.66 4 1 No none none 1greek:pig 11.42 28.91 4 1 No none none 2greek:piu 9.55 31.73 4 1 No none none