Table 1.

Emission wavelength maxima and quantum yields of heteroditopic compounds 34, 36, 37, and 38, monotopic compounds 41 and 42, and their zinc(II) complexes in acetonitrile.

Ligand	λ0 (nm)	λ1 (nm)	λ2 (nm)	φ0	φ1	φ2	Ref. #
34	395	395	455	0.03	0.53	0.63	[103]
36	424	410/428a	514	0.02	0.15	0.13	[109]
37	431	528	587	N.D.b	0.04	0.11	[110]
38	432	523	454	0.02	0.27	0.40	[115]
41	504	504	–	0.32	0.33	–	[125]
42	633	633	–	0.28	0.29	–	[126]

^aTwo discernable vibronic bands of monozinc complex.

^bN.D.: not determined.