Lowest unoccupied molecular orbital (LUMO) energy

Definition:

_LUMO- lowest unoccupied molecular orbital

- Fock operator

References:

1. I.G. Csizmadia, Theory and Practice of MO Calculations on Organic Molecules, Elsevier, Amsterdam, 1976.

2. B.W. Clare, Theoret. Chim. Acta, 1994, 87, 415-430.