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Figure 9
IR spectra of [RuCl(NO)2(PPh3)2]BF4 at 87.5 K as a function of time after illumination at 405 nm. From the decrease in the area of the 1653 cm−1 band and the increase in the area of the 1686 cm−1 band, the corresponding exponential decay curve has been derived and fitted to determine the decay rate constant (k = 1/τ) of the PLI-1. Inset: An Arrhenius plot [ln(1/τ) as a function of 1/T] to determine the barrier height Ea between the GS and PLI-1.

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