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Step‐scan FT‐IR spectra of [Cr(ddpd)2][BF4]2 from 0–750 ns after excitation at λ exc=355 nm at 20 K (black) and 290 K (red) (top) and corresponding ground state FT‐IR spectra (bottom). At 20 K, essentially the low‐spin state is populated, while at 290 K low‐ and high‐spin states are populated (Supporting Information, Figures S7–S10).
