Abstract
The photodissociation dynamics of the reaction BH{sub 3}CO {yields} BH{sub 3} + CO at 193 nm have been investigated by using time-resolved infrared absorption spectroscopy and ultraviolet/visible emission spectroscopy. Partitioning of the available energy into the translational and vibrational degrees of freedom has been measured for the nascent CO photofragment. Time-resolved carbon monoxide laser absorption spectroscopy has been used to observe the CO photofragment in vibrationals levels {nu}{double prime} = 0-4. The nascent CO photofragment can be characterized by a vibrational temperature, T{sub vib} = 2,760 {plus minus} 160 K. Time-resolved tunable diode laser absorption spectroscopy has also been employed to observe internal excitation in the nascent BH{sub 3} photofragment, as well as measure the quantum yield for its production from BH{sub 3}CO photolysis.
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