Table 1.

Stokes shifts and energy gaps for the five selected BAA fluorophores.

Product	λmax ABS (nm)	λmax EM (nm)	Stokes Shift (nm)	HOMO (eV)	LUMO (eV)	Energy Gap (eV)	λmax Calculated (nm)
BAA-37a	568	578	10	−5.36	−2.86	2.50	522
BAA-22a	585	602	17	−5.36	−2.90	2.46	529
BAA-5a	592	615	23	−5.04	−2.64	2.40	540
BAA-2a	597	634	37	−5.03	−2.65	2.38	543
BAA-39a	606	657	51	−5.01	−2.70	2.31	566