Heavy atom radicals as conductive and magnetic materials

构造具有复杂结构的分子是化学研究的中心主题。在过去的二十年里，合成化学家把分子设计的概念带入了一个全新的领域。他们将注意力集中在最终的结构挑战上——具有预定包装模式的离散分子系统的结晶，即亚纳米级固态结构的控制。控制晶体生长的目标各不相同，但有一个共同的主题，即需要排列分子，使所得到的超分子组装具有所需的结构、稳定性和性能。实现这三个目标中的任何一个本身都是一个挑战，但只有同时实现这三个目标，才能真正实现成功。

The construction of molecules with complex structures is a central theme of chemical research. In the last two decades synthetic chemists have carried this concept of molecular design into an entirely new realm. They have focussed their attention on the ultimate structural challenge - the crystallization of discrete molecular systems with predetermined packing patterns, i.e., the control of solid state architecture at the sub-nanoscale level. The objectives of controlled crystal growth vary widely, but share a common theme, namely the need to arrange molecules so that the resulting supramolecular assembly has the desired structure, stability and property. Securing any one of these three objectives represents a challenge in its own right, but success is only truly achieved when all three goals are accomplished at the same time.