Kenichi (*) Fukui postulated that reactivity only depends on their "frontier" types, which are composed of the HOMO and LUMO.
When computing these entities, the relevant equations can be simplified by invoking an assumption called either ZDO or NDDO. One method of computing these entities sets the determinant of "H minus ES" equal to zero. Solving that set of secular equations allows for calculating their energies in terms of the resonance, Coulomb, and overlap integrals. They are denoted using the subscript "g," or "gerade," when they are centrosymmetric. Kenichi (*) Fukui postulated that reactivity only depends on their "frontier" types, which are composed of the HOMO and LUMO. The higher-energy half of these entities are denoted with a superscript star and referred to as "antibonding." For 10 points, name these wavefunctions that represent the behavior of electrons in molecules.
When computing these entities, the relevant equations can be simplified by invoking an assumption called either ZDO or NDDO.
molecular orbitals [accept MOs until "HOMO" is read, prompt after it is read; prompt on orbitals; prompt on wavefunctions until "frontier" is read]