Property

Symbol and formula

B3LYP/6-311++G(d,p)

MN15/def2TZVPP

wB97XD/def2TZVPP

Electronic energy (a.u)

-

−1144.568

−1143.707

−1144.403

HOMO energy (eV)

EH

−6.074

−6.734

−7.894

LUMO energy (eV)

EL

−1.059

−0.269

0.990

ΔEHOMO–LUMO gap (eV)

ΔEG = EL − EH

5.015

6.465

8.884

HOMO+1 energy (eV)

EH+1

−6.664

−7.598

−8.595

LUMO-1 energy (eV)

EL−1

−1.006

−0.194

1.029

ΔEHOMO−1–LUMO+1 gap (eV)

ΔEG1 = EL−1 − EH+1

5.658

7.405

9.624

Ionization potential (eV)

I = −EH

6.074

6.734

7.894

Electron affinity (eV)

EA = −EL

1.059

0.269

−0.990

Global hardness (eV)

ɳ = (EL − EH)/2

2.508

3.232

4.442

Chemical reactivity or Global Softness (eV−1)

S = 1/ɳ

0.399

0.309

0.225

Chemical potential (eV)

µ = (EL + EH)/2

−3.566

−3.501

−3.452

Electrophilicity index (eV)

ω = µ2/2ɳ

2.536

1.896

1.341

Electronegativity (eV)

χ = −µ

3.566

3.501

3.452

Dipole moment (Debye)

D

1.618

1.617

1.616