With femtosecond infrared spectroscopy and ab initio calculations we could assign the transient spectrum at 1 ps to the ring opened product of the dihydroazulene photo induced reaction. Thus, ring-opening proceeds within 1 ps.
CITATION STYLE
Schrader, T. E., Schmidhammer, U., Schreier, W. J., Koller, F. O., & Pugliesi, I. (2009). Assignment of the Excited-State Infrared-Spectra in the Course of the Ring Opening Reaction of a Photochromic Dihydroazulene. In Springer Series in Chemical Physics (Vol. 92, pp. 355–357). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-540-95946-5_115
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