Very High Spin Organic Polyradicals

一系列高自旋多自由基分子， 将合成和表征三维形状。 多自由基的形状将由空间位阻或非空间位阻决定。 阻碍（树枝状聚合物）或共价键网络（笼）。 磁性分析将通过利用SQUID，NMR， ESR技术。 分子固体由高自旋 多自由基将被开发和研究， 制造超高自旋聚合自由基的可行性， 演示。 调查将提供一个通用模型 对于电子自旋排序作为距离和数目的函数， 不成对电子的数量 %%% 这项来自有机动力学项目的资助支持了这项工作 内布拉斯加大学的Andrzej Rajca教授 高自旋有机分子合成与表征 有几个未成对电子的原子典型的电子 有机分子是成对的，因此没有磁性。 性质，而目标分子将是原型 新型有机磁体的构建块。 这次调查 应提供生产磁铁所需的基本信息， 一个分子水平的各种技术和科学 影响电子和通信的应用 领域的

A series of high spin polyradical molecules with distinct three-dimensional shapes will be synthesized and characterized. The polyradical shapes will be imposed by either steric hindrance (dendrimers) or covalent bond networks (cages). Magnetic analysis will be accomplished by utilizing SQUID, NMR, and ESR techniques. Molecular solids comprised of high spin polyradicals will be developed and investigated, and the feasibility of making ultra high spin polyradicals will be demonstrated. The investigation will provide a general model for electron spin ordering as a function of distance and number of unpaired electrons. %%% This grant from the Organic Dynamics Program supports the work of Professor Andrzej Rajca at the University of Nebraska on the synthesis and characterization of high spin organic molecules that possess several unpaired electrons. Electrons in typical organic molecules are paired and thus have no magnetic properties, whereas the target molecules will be prototype building blocks for novel organic magnets. This investigation should provide basic information required to produce magnets on a molecular level for a variety of technical and scientific applications impacting on the electronics and communications fields.