Electron Transfer Reactions within Organic Intervalence Compounds and Intrinsic Reactivities from Cross-Reactions

通过这个奖项，有机和大分子化学项目支持威斯康星大学麦迪逊分校斯蒂芬·f·尼尔森博士的工作。这项研究的目的是探索有机价间化合物中电子转移（ET）反应的细节——由连接原子的桥连接两个带电单元的化合物，其中两个单元之间唯一的区别是电荷的数量，以及已知氧化电位的分子之间。价间化合物没有驱动力（无论哪个单位的电荷更高，能量都是一样的），这为理论模型提供了一个很好的测试。ET反应在化学和生物学中都非常重要，例如在光合作用和呼吸作用中都有发现。价间化合物表现出由可见光光子吸收引起的垂直ET跃迁引起的电荷转移带。为了测量热ET的速率常数，并将实验结果与理论模型进行比较，将合成和研究具有稳定且具有高内部重组能的有机带电荷单元的化合物。

With this award the Organic and Macromolecular Chemistry Program supports the work of Dr. Stephen F. Nelsen at the University of Wisconsin at Madison. The research aims to probe the details of electron transfer (ET) reactions in organic intervalence compounds - compounds with two charged units connected by a bridge of connected atoms where the only difference between the two units is the amount of charge, and also between molecules of known oxidation potential. Intervalence compounds have no driving force (the energy is the same irrespective of which unit has the higher charge), and provide a good test of theoretical models. ET reactions are very important in both chemistry and biology, and are found for example in photosynthesis and respiration.Intervalence compounds show a charge transfer band arising from a vertical ET transition induced by absorption of a visible photon. Compounds with organic charge-bearing units that are stable, and have high internal reorganization energies, will be synthesized and studied in order to measure rate constants for thermal ET and to compare the experimental results with theoretical models.