Broad falloff curves of unimolecular reactions

单分子反应的“宽”衰减曲线。在阐明了CF3I的热分解机理后，通过监测CF3和CF2的紫外吸收，测量了C2F5I在冲击波中的单分子解离，并与模拟的衰减曲线进行了比较。衰减曲线中低压极限与高压极限过渡中心区的近似值对应于C2F4、C2F5和C2F6的一系列分解。应对CF3I、C2F5I和C3F7I的离解进行类似的研究，这些离解更符合高压极限。

"Broad" falloff curves of unimolecular reactions. After clarifying the mechanism of the thermal decomposition of CF3I, the unimolecular dissociation of C2F5I is measured in shock waves by monitoring the UV-absorption of CF3 and CF2 and compared with modelled falloff curves. The approximation to the central region of the transition between low- and high-pressure limit of the falloff curve corresponds to a series of decompositions of C2F4, C2F5 and C2F6. Analogous studies of the dissociation of CF3I, C2F5I and C3F7I, which corresponds more to the high-pressure limit, shall be done.