The photodissociation dynamics of the reaction (CH&SO + hv(193 nm) -2CH3 + SO have been examined by laser spectroscopic techniques. Relative vibrational and rotational state energy distributions of the nascent SO photofragment have been determined by using laser induced fluorescence spectroscopy on the (B2Z--X3E-) transition. The same technique has also been employed to establish the quantum yield, @p1g3[SO(X32)] = 1.02 f 0.12. The nascent vibrational state distributions in the V I and v2 modes of the methyl radical have been determined by using 2 + 1 resonance enhanced multiphoton ionization spectroscopy via the (3p 2A2"+ 2p 2A2'') transition.
Articles you may be interested inEnergy partitioning in the 266 nm dissociation of HN3 and relative transition probabilities in the NH (c 1Π↔a 1Δ) system J. Chem. Phys. 93, 8777 (1990); 10.1063/1.459266 The 193 (and 248) nm photolysis of HN3: Formation and internal energy distributions of the NH (a 1Δ, b 1∑+, A 3Π, and c 1Π) states J. Chem. Phys. 88, 4788 (1988); 10.1063/1.454691 Generation of NH(a 1Δ) in the 193 nm photolysis of ammonia Observation of high vibrational excitation in HCN molecules produced from 193 nm photolysis of 1,3,5 triazine J. Chem. Phys. 81, 4521 (1984); 10.1063/1.447422 Infrared Studies of the Photolysis of HN3 in Inert and Reactive Matrices. The Infrared Spectrum of NH
We have traced the evolution of the benzene-h6 transition in (C6H6)(C6D6)12 as a function of time (distance from the nozzle) in a supersonic expansion. Taking advantage of the special properties of the isotopically substituted (benzene)13 resonant two-photon ionization spectrum, we present the first experimental evidence for a nonrigid–rigid transition in a single-size molecular cluster. Initially, under the conditions of our free-jet expansion, (benzene)13 condenses in a nonrigid form, then solidifies into a well-defined structural configuration.
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