Table 1. Long-Wavelength Extinction Coefficients (ε) and Fluorescence Quantum Yields (FQYs), Obtained from Steady-State Absorption and Fluorescence Measurements.

Compound	Solvent	λmax/nm	ε/M–1 cm–1	FQY/%
Lpc	toluene	633	40,700	35.3
	THF	660	34,700	23.4
	BN	670	37,000	9.1
Pt(Lpc)(Lref)Cl2	toluene	676	31,800	9.3
	THF	672	31,900	3.0
	BN	685	28,800	0.7
Pd(Lpc)(Lref)Cl2	toluene	675	35,300	12.5
	THF	671	35,800	7.4
	BN	684	27,400	3.3
Pt(Lpc)2Cl2	toluene	678	68,500	6.9
	THF	674	71,500	2.6
	BN	687	51,400	0.6
Pd(Lpc)2Cl2	toluene	677	67,600	10.1
	THF	671	61,700	6.0
	BN	681	46,400	2.5