Direct observation of the primary bond-twisting dynamics of stilbene anion radical |
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| Authors: | Lee I-Ren Bañares Luis Zewail Ahmed H |
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| Institution: | Physical Biology Center of Ultrafast Science and Technology, Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, California 91125, USA. |
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| Abstract: | The anion radicals of stilbenes in the collisionless isolated phase were synthesized by electron attachment, and their dynamics were observed in real time on the femtosecond time scale. The observed coherent vibrational motion (approximately 42 cm(-1)) and the primary bond-twisting dynamics (approximately 650 fs) for the D2 state are on a vastly different time scale from that reported (approximately 10 ns) in solution. |
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