A realistic dynamics simulation study is reported for the trans-cis photoisomerization of azobenzene triggered by the n →π^* excitation and the results show that the formation ofcis isomer follows the rotational mo...A realistic dynamics simulation study is reported for the trans-cis photoisomerization of azobenzene triggered by the n →π^* excitation and the results show that the formation ofcis isomer follows the rotational motion around the N=N bond. The simulation find that the CNN bond angle bending vibrations also play a significant role in the vibronic coupling between the HOMO and LUMO, which essentially leads a nonadiabatic transition of the molecule to the electronic ground state.展开更多
基金supported by the National Natural Science Foundation of China (No.20773168)Natural Science Foundation Project of CQ CSTC (No.2006BB2367 and 2006BB5368)Project of Science Technology Foundation of Chongqing Education Committee (No.KJ070506).
文摘A realistic dynamics simulation study is reported for the trans-cis photoisomerization of azobenzene triggered by the n →π^* excitation and the results show that the formation ofcis isomer follows the rotational motion around the N=N bond. The simulation find that the CNN bond angle bending vibrations also play a significant role in the vibronic coupling between the HOMO and LUMO, which essentially leads a nonadiabatic transition of the molecule to the electronic ground state.