Femtosecond investigations on the ultrafast photo-dissociation dynamics of CpMn(CO)3 and its fragment ions

Literature Information

Publication Date 2004-05-11
DOI 10.1039/B402246G
Impact Factor 3.676
Authors

Cosmin Lupulescu, Štefan Vajda, Albrecht Lindinger, Andrea Merli, Ludger Wöste


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Abstract

This work is devoted to investigation on the ultrafast dissociation phenomena of the cyclopentadienyl manganese tricarbonyl–CpMn(CO)3− molecule and its emerging fragments by means of mass spectrometry and pump–probe spectroscopy. Studies on the laser intensity and wavelength dependence observed in the recorded mass spectra are reported. Time-resolved mass spectra were measured in order to investigate the fragmentation time scale. From the recorded two-color pump and probe spectra the lifetimes of the electronically excited states for all CpMn(CO)n+ (1 ≤ n ≤ 3) ions were extracted. By employing laser pulses of ca. 40 fs, wave packet dynamics of the parent ion CpMn(CO)3+ as well as for the first fragment have been resolved. These findings have already been successfully exploited in optimal control experiments. The present studies are extended to different pump pulse intensities.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
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