Fig. 3 | Nature Communications

Fig. 3

From: The elusive abnormal CO2 insertion enabled by metal-ligand cooperative photochemical selectivity inversion

Fig. 3

Selected kinetic and spectroscopic data. a Kinetic data for bulk photolysis of 1 (λ > 305 nm, [7]0 = 0, THF) and global fit over three half-lives of 1 (solid lines). b Initial kinetic data for bulk photolysis of 1 (λ > 305 nm, THF) with varying amounts of added 7 (lines are polynomial splines as guide for the eye). c Transient IR difference spectra generated by 400 nm excitation of a 11 mM solution of 1 in THF-d8 (1750–1900 cm−1) and THF (1470–1540 cm–1), respectively, for selected pump-probe delays. d Stationary FTIR spectrum of 1 in THF-d8. e Time traces with biexponential fits (time constants: τ1 = 1.3 ± 0.2 ps, τ2 = 12 ± 0.5 ps). f Transient UV/Vis difference spectra generated by 385 nm excitation of a 6 mM solution of 1 in THF for selected pump-probe delays. g Stationary absorption spectrum of 1 in THF. h Time traces with triexponential fits (time constants: τ1 = 0.9 ± 0.2 ps, τ2 = 13 ± 1 ps, τ3 1 ns)

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