Research Article

Koopmans' Analysis of Chemical Hardness with Spectral-Like Resolution

Table 4

Chemical hardness values (in eV) as computed for molecules of Table 2 with first-order LUMO(1)-HOMO(1) and second-order LUMO(2)-HOMO(2) gaps of (21) with parameters of Table 1.

Molecule

I5.103875.954474.2390944.899656.3514133.9334933.8652793.9900914.778726
II5.1717226.0257564.2831514.9534496.4237773.9765063.91364.0514174.875712
III5.0355155.8393454.1270624.7830866.2121053.8391223.7997433.9738584.865044
IV4.7562275.5136553.8953184.5151795.8647693.6240463.5882883.7553674.602943
V4.4860575.1725743.6304944.2185465.4888723.3853273.3736083.5713754.459963
VI4.2225024.8813953.4370523.9890075.1858873.2014153.1803553.3481944.143948
VII4.1463254.7938923.3759233.9178515.0931913.1443213.1231973.2871994.066799
VIII4.1042144.7321273.321213.8592295.0214123.0969763.0863883.2675674.081062
IX4.0264964.6471363.2655313.7927994.9334053.0437723.0297413.2008363.984165
X3.9667484.5595243.1879363.7096564.8315962.9766222.9775233.1729584.004309