Calculated emission wavelengths (λ), emission lifetimes (τ_r), ZFS (cm⁻¹) and dominant emission character of R1 to R10.

Complex	λ (nm)	τ r (s)	ZFS (cm−1)	Transition	Assignmenta
R1	643	5.04 × 10−2	0.08	L+1 → H	LLCT
R2	654	7.40 × 10−2	0.08	L+1 → H	LLCT
R3	869	2.76 × 10−1	0.00	L+1 → H	LLCT
	540	4.36 × 10−4	7.90	L → H (T2)	LbpyLCT
R4	673	5.59 × 10−2	0.00	L+1 → H	LLCT
R5	625	1.36 × 10−3	13.87	L+1 → H	LdeebLCT
R6	625	3.15 × 10−3	0.40	L+1 → H	LLCT
				L+2 → H	LdeebLCT
R7	726	3.64 × 10−2	0.40	L+1 → H	LLCT
	641	3.33 × 10−3	12.14	L → H (T2)	LdeebLCT
R8	622	2.23 × 10−2	1.05	L+1 → H	LLCT
				L+2 → H	LdeebLCT
R9	771	8.90 × 10−2	0.16	L+1 → H	LLCT
	649	9.77 × 10−4	7.78	L → H (T2)	LdeebLCT
R10	637	2.53 × 10−2	0.08	L+1 → H	LLCT
				L+2 → H	LdeebLCT

^abpy: 2,2′-bpy; deeb:4,4′-bis(ethoxycarbonyl)-2,2′-bpy.