Spectroscopic data of 5-N-arylaminothiazole 4f and zinc–thiazole complexes in THF [10⁻⁵ M]^a.

Thiazole	λ abs (nm)	log ε	λ ex (nm)	λ em b (nm)	ν ss [cm−1] (nm)	φ F c	χ 2 d	τ d (ns)
4f	390	3.92	385	495	[5504] (105)	0.5	1.8	4.93
8a	390	3.64	384	497	[5520] (107)	0.4	2.7	4.86
8b	390	4.1	384	495	[5504] (105)	0.8	2.1	4.43
8c	384	4.22	386	494	[5798] (110)	0.4	2	4.94

^aMeasured in THF.

^bExcited in λ_max.

^cAbsolute quantum yield of fluorescence.

^dExcited at 365 nm.