1440
J. Phys. Chem. A 2001, 105, 1440-1444
Methylsulfonyl Radical Unimolecular Dissociation Studied by Deep-UV Ultrafast Photoionization Spectroscopy† J. C. Owrutsky,* H. H. Nelson, and A. P. Baronavski* Chemistry DiVision, Code 6111, NaVal Research Laboratory, Washington, D.C. 20375-5342 ReceiVed: May 31, 2000; In Final Form: September 12, 2000
The secondary dissociation dynamics of the methylsulfonyl radical following the photodissociation near 193 nm of methylsulfonyl chloride and methylsulfonyl ethanol has been studied using femtosecond mass-resolved photoionization spectroscopy. The primary dissociation is instrument-limited (