Table 2. Exchange rate constants k _D and k _H [s^–1] derived by fitting to eqn (12).

	290 K	300 K	310 K	320 K		300 K	310 K	320 K
R Q	36.2 ± 5.6	26.51 ± 3.7	19.4 ± 9.7	16.6 ± 3.3	R Q	0.37 ± 0.03	a	a
log(k cD)	2.91 ± 0.64	3.31 ± 0.27	3.49 ± 0.32	3.01 ± 1.20	log(k cH)	2.91 ± 0.04	a	a
log(k zD)	3.80 ± 0.95	3.74 ± 0.64	3.70 ± 1.22	4.14 ± 0.24	log(k zH)	3.31 ± 0.05	a	a
log(k zOD)	7.89 ± 0.07	8.10 ± 0.06	8.28 ± 0.03	8.41 ± 0.08	log(k zOH)	8.13 ± 0.02	8.29 ± 0.29	8.47 ± 0.41
log(k aOD)	6.64 ± 0.20	6.69 ± 0.30	6.87 ± 0.12	7.19 ± 0.19	log(k aOH)	7.53 ± 0.05	7.72 ± 0.27	7.97 ± 0.37

^aProton exchange rates were not measured at these temperatures.⁷