Table 1. Summary of equilibrium, exchange constants, and thermochemical data at 20 °C (293 K) in DCM.

	K eq		ΔH (kcal mol–1)	ΔS (eu)	τ f (ps)	E a (kcal mol–1)
IR	K 10	0.35 (0.03)	0.84 (0.08)	0.6 (0.4)	4.3 (1.5)	2.2 (0.2)
	K 02	2.9 (0.2)	–2.18 (0.06)	–5.3 (0.3)	6.3 (1.6)	2.4 (0.1)
	K 12	1.0 (0.1)	–1.3 (0.1)	–4.8 (0.5)	8.6 (2.0)	2.6 (0.1)
UV-vis	K 12	1.4 (0.3)	–1.3 (0.1)	–3.4 (0.2)	—	—