Table 2 The ground state (µg) and excited state dipole moments (µe) of A1A5 in gas phase.

From: Designing small organic non-fullerene acceptor molecules with diflorobenzene or quinoline core and dithiophene donor moiety through density functional theory

Compounds

µe

µg

µe–µg

A1

13.8

6.4

7.4

A2

9.1

8.9

0.2

A3

7.7

5.9

1.8

A4

8.7

5.5

3.2

A5

18.9

12.8

6.1