Generation and Chemistry of Biradicals and High Energy Molecules

这项来自有机动力学项目的拨款支持了内华达大学里诺分校罗伯特·s·谢里丹教授指导的研究项目。我们将研究基质和溶液中双自由基的光化学生成。将研究偶氮前驱体分解为光加成双自由基的机理，以确定在反应表面上指示逐步分配与协调分配的结构特征。将进行旨在确定热分子反应在基质和溶液中是否重要的实验。光化学途径的双脱氢芳香族双自由基也将探讨。将研究光与低温捕获在固体基质中的高能分子的相互作用。低温基质通过有效地将这些反应中间体相互隔离，将延长在这些光化学反应中形成的反应物质的寿命。在形成这些反应性中间体的过程中，如果添加的能量超过了所需的能量，所产生的影响将被仔细研究。这些研究将为高能分子和中间体的分解途径提供重要信息。

This grant from the Organic Dynamics Program supports the research program directed by Professor Robert S. Sheridan at the University of Nevada Reno. Photochemical generation of biradicals in matrices and in solution will be examined. The mechanism of decomposition of the azo precursors to meta-photoaddition biradicals will be studied in order to determine the structural features which dictate stepwise versus concerted partitioning on the reaction surface. Experiments designed to determine if hot molecule reactions are important in matrices and in solution will be conducted. Photochemical pathways to didehydroaromatic biradicals will also be explored. %%% The interaction of light with highly energetic molecules trapped at low temperature in solid matrices will be examined. The low temperature matrix will prolong the lifetime of reactive species formed in these photochemical reactions by effectively isolating these reactive intermediates from each other. The effect of adding more energy than necessary to form these reactive intermediates will be carefully examined. These studies will provide important information on the decomposition pathways of highly energetic molecules and intermediates.