Spectroscopic data of nickel–thiazole complexes^a.

Thiazole	λ abs (nm)	log ε	λ ex (nm)	λ em b (nm)	ν ss [cm−1] (nm)	φ F c
7a	388	4.06	359	—	—	—
7b	419	3.85	397	—	—	—
7c	413	3 96	395	—	—	—
7d	370	3.91	377	487	[6493] (117)	0.04
7e	364	4.07	376	474	[6375] (110)	0.03
7f	424	3.79	392	507	[3861] (83)	0.02

^aIn chloroform [conc. = 10⁻⁵ M].

^bExcited in λ_max.

^cAbsolute quantum yield of fluorescence.