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Vibrational Coherences and Relaxation in the High‐Spin State of Aqueous [Fe II (bpy) 3 ] 2+
Author(s) -
Consani Cristina,
PrémontSchwarz Mirabelle,
ElNahhas Amal,
Bressler Christian,
van Mourik Frank,
Cannizzo Andrea,
Chergui Majed
Publication year - 2009
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200902728
Subject(s) - aqueous solution , relaxation (psychology) , atomic physics , spin (aerodynamics) , spin states , chemistry , physics , analytical chemistry (journal) , materials science , nuclear magnetic resonance , thermodynamics , psychology , social psychology , chromatography
Dizzy cooling : Femtosecond excitation of the singlet states of aqueous [Fe II (bpy) 3 ] 2+ (bpy=2,2′‐bipyridine) leads to the formation of a vibrationally hot quintet state that exhibits wave‐packet dynamics arising from a chelate‐ring and bending mode. The vibrational relaxation involves at least two modes: the FeN stretching mode (see picture) and the coherently excited chelate‐ring and bending mode, which relax on different time scales.