Molecular Orbital Constants for Disilane (Si2H6) MO B (eV) U (eV) N Q DblIon Special Remarks 2a1g 166.71 359.68 2 1 No none none 2a2u 166.71 359.78 2 1 No none none 1eu 115.19 331.79 4 1 No none none 3a1g 115.19 331.68 2 1 No none none 1eg 115.19 331.83 4 1 No none none 3a2u 115.20 332.09 2 1 No none none 4a1g 20.604 29.637 2 1 No none none 4a2u 18.536 29.153 2 1 No none none 2eu 13.619 22.212 4 1 No none none 2eg 12.912 23.100 4 1 No none none 5a1g 9.7 29.580 2 1 No none none