[AIP ELECTRIC PROPERTIES OF SYNTHETIC NANOSTRUCTURES: XVII International Winterschool/Euroconference on Electronic Properties of Novel Materials - Kirchberg, Tirol (Austria) (6-13 March 2004)] AIP Conference Proceedings - Quantum Mechanical Calculations of the Structure, Energetics, and Electronic Properties of the (C60)2 and (C[sub 60])[sub 2]2−] Fullerene Dimer