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Photodissociation Dynamics of tert-Butyl Hydroperoxide at 193 nm

机译:叔丁基氢过氧化物在193 nm的光解离动力学

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摘要

The photodissociation dynamics of tert-butyl hydroperoxide at 193 nm was investigated by measuring rotationally resolved laser-induced fluorescence spectra of OH fragments. The OH fragments are exclusively produced in the X(~2#PI#_(1/2,3/2)) state. From the spectra, the fraction of the available energy distributed among the products was found to be f_r(OH) = 0.04, f_t = 0.56, f_(int)(t-BuO) = 0.40, with negligible fraction of OH being in excited vibrational states. In addition, vector correlations were obtained by analyzing the Doppler profiles of the spectra. The detailed dynamics of the dissociation process is discussed compared to the dissociation of H_2O_2.
机译:通过测量旋转分解的激光诱导的OH片段的荧光光谱,研究了叔丁基氢过氧化物在193 nm处的光解动力学。 OH片段仅以X(〜2#PI #_(1 / 2,3 / 2))状态产生。从光谱中,发现分布在产物之间的可用能量的分数为f_r(OH)= 0.04,f_t = 0.56,f_(int)(t-BuO)= 0.40,而在激发振动中OH的比例可忽略不计状态。另外,通过分析光谱的多普勒轮廓获得矢量相关性。与H_2O_2的离解比较,讨论了离解过程的详细动力学过程。

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