E _gap, E_b (gaseous), E_b (chloroform solvent), and interaction coefficient of WR and W1–W7 molecules and E_gap and E_b of Y6 molecule.

Molecules	E gap (eV)	E b (eV) gaseous	E b (eV) solvent	Interaction coefficient
WR	2.26	0.39	0.51	0.68850
W1	2.15	0.36	0.49	0.68584
W2	2.18	0.36	0.49	0.68639
W3	2.23	0.38	0.51	0.68713
W4	2.21	0.38	0.49	0.68780
W5	2.22	0.37	0.49	0.68975
W6	2.25	0.39	0.51	0.68736
W7	2.23	0.39	0.50	0.68766
Y6	1.55	—	0.22	—