Table 3 The obtained values of the energy of HOMO/LUMO boundary orbitals and the energy gap in the intensity of different electric fields (All values are in eV).

From: DFT and QTAIM analysis of fluorenol and fluorenone in molecular nanoelectronics

Field strength (10−4 a.u.)

Au-A-Au

Au-B-Au

LUMO

HOMO

HLG

LUMO

HOMO

HLG

0

− 2.69

− 7.01

4.32

− 2.76

− 6.74

3.98

20

− 2.93

− 6.98

4.05

− 2.76

− 6.25

3.49

40

− 3.19

− 6.94

3.74

− 3.35

− 5.80

2.45

60

− 3.53

− 6.81

3.28

− 3.53

− 5.54

2.01

80

− 3.80

− 6.75

2.94

− 3.74

− 5.59

1.85

100

− 4.08

− 6.68

2.60

− 4.16

− 5.79

1.63