Spectroscopic data of 5-N-arylaminothiazoles and zinc–thiazole complexes in a solid state.

Thiazole	λ abs (nm)	λ ex (nm)	λ em a (nm)	ν ss [cm−1] (nm)	φ F b	χ 2 c	τ c (ns)
4b	442	439	495	[2411] (53)	0.21	1.66	2.53
4c	444	437	542	[3438] (80)	0.06	3.5	2.47
4d	444	437	475	[1469] (31)	0.21	1.56	2.77
4e	427	428	469	[2097] (42)	0.15	1.36	1.91
41	404	431	475	[3609] (71)	0.52	1.54	3.03
8a	440	370	611	[6360] (171)	0.02	3.21	121
8b	440	365	550	[4545] (110)	0.05	2.41	1.99
8c	452	492	548	[3875] (96)	0.02	2.66	0.23

^aExcited in λ_max.

^bAbsolute fluorescence of quantum yield.

^cExcited at 365 nm.