Anharmonic RRKM Calculation for the Dissociation of (H2O)2H+and Its Deuterated Species (D2O)2D+

2010 ◽  
Vol 114 (37) ◽  
pp. 10217-10224 ◽  
Author(s):  
Di Song ◽  
Hongmei Su ◽  
Fan-ao Kong ◽  
Sheng-Hsien Lin
Keyword(s):  
Rrkm Calculation

scholarly journals Picosecond Laser Chemistry in Supersonic Jet Beams

1983 ◽  
Vol 2 (3-4) ◽  
pp. 55-76 ◽  
Author(s):  
Ahmed H. Zewail
Keyword(s):  
Supersonic Jet ◽  
Picosecond Laser ◽  
Threshold Effect ◽  
Quantum Beats ◽  
Energy Redistribution ◽  
Laser Chemistry ◽  
Large Molecules ◽  
Rrkm Calculation ◽  
Statistical Behavior

In this review we describe the development and the applications of the picosecond-jet technique, which utilizes a picosecond laser and a supersonically-cold jet beam of large molecules. The applications include studies of coherence (quantum beats), photodissociation, isomerization, and partial solvation. The results emphasize the role of intramolecular energy redistribution, and provide evidence for intramolecular threshold effect for rates vs. excess molecular energy. Simple theory for this redistribution of energy among certain modes in molecules is given, and comparison with RRKM calculation is also made to assess the nature of the statistical behavior for the redistribution.

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