Summary of the vibronic band shape analysis of the lowest energy ¹MLCT UV-Visible absorption band and the ³MLCT excited state lifetimes extracted from transient absorption (TA) experiments. E_v and E₀ correspond to the lowest ¹MLCT energy at the GS and MLCT geometries, respectively. λ_cl and λ_q are GS-¹MLCT reorganization energies for the classical and high-frequency quantum modes, respectively. τ is the ³MLCT lifetime retrieved from the global fitting of TA data.

Complex	Solvent	E v (eV)	λ cl (eV)	λ q (eV)	E 0 (eV)	Excitation energy		τ (ps)
						nm	eV
1	H2O	2.64	0.33	0.19	2.12	500	2.48	0.18
	MeOH	2.41	0.32	0.17	1.92	520	2.38	0.22
	DMSO	1.95	0.20	0.13	1.62	670	1.85	16.5
	MeCN	1.94	0.20	0.13	1.61	720	1.73	19.3
	DMF	1.83	0.19	0.12	1.52	720	1.73	28.7
2	H2O	2.33	0.28	0.13	1.92	530	2.34	0.30
	MeOH	2.10	0.24	0.12	1.73	610	2.03	0.61
	DMSO	1.83	0.19	0.11	1.53	720	1.73	31.6
	DMF	1.77	0.19	0.12	1.47	740	1.68	66.9
3	H2O	2.32	0.42	0.18	1.71	550	2.25	11.9
	MeOH	2.04	0.33	0.16	1.55	625	1.98	16.9
	Butanol	1.88	0.25	0.16	1.48	690	1.80	20.0
	Hexanol	1.76	0.24	0.16	1.36	670	1.85	19.9
	DCM	1.79	0.23	0.16	1.40	730	1.70	20.7
	Propylene carbonate	1.74	0.23	0.16	1.36	750	1.65	21.4
	Pyridine	1.76	0.24	0.16	1.36	750	1.65	22.6
	Benzonitrile	1.75	0.24	0.16	1.35	760	1.63	18.5
	DMSO	1.73	0.22	0.15	1.36	775	1.60	19.4
	MeCN	1.73	0.24	0.15	1.34	775	1.60	13.5
	Acetone	1.70	0.25	0.16	1.29	775	1.60	16.6
	DMF	1.64	0.19	0.16	1.29	820	1.51	12.7