Transition Metal Carboxylate Chemistry

无机化学、生物无机化学和金属有机化学项目的这一奖项为印第安纳大学化学系的George Christou博士对过渡金属羧酸簇合物的磁性和合成的研究提供了支持。一些羧酸锰团簇具有单分子磁性(SMM)。研究将确定分子环境对观测到的磁性的影响以及影响SMM行为的因素。详细的研究将包括直流和交流磁化率测量。将合成具有SMM的络合物的新实例，包括羧酸钴簇合物。此外，金属羧酸簇合物还将利用多种多官能团配体被结合到超分子组装中。将对合成的化合物进行磁性测试，试图为合成新的磁性材料提供途径。还将制备一些具有醇盐官能团的钼和Re物种。磁性材料在许多领域都具有重要的技术价值，包括电子产品和制造业。设备的小型化和更精细的控制仍然是理想的目标。这项研究将在分子水平上更好地理解磁现象，并可能提高设计具有特定磁性的分子和纳米级器件的能力。

This award in the Inorganic, Bioinorganic, and Organometallic Chemistry Program provides support for research on the magnetic properties and synthesis of transition metal carboxylate clusters by Dr. George Christou of the Chemistry Department, Indiana University. Some families of manganese carboxylate clusters have been found to exhibit single-molecule magnetism (SMM). Research will determine the influence of the molecular environment on the observed magnetic properties and the factors responsible for SMM behavior. Detailed studies will include both DC and AC magnetic susceptibility measurements. New examples of complexes exhibiting SMM will be synthesized, including cobalt carboxylate clusters. In addition, metal carboxylate clusters will be incorporated into supramolecular assemblies using a variety of polyfunctional ligands. The resulting compounds will be tested for magnetic properties in an attempt to provide synthetic access to new magnetic materials. Some molybdenum and rhenium species with alkoxide functionalities will also be prepared. Magnetic materials are technologically important in many areas, including electronics and manufacturing. Miniaturization and finer control of devices continue to be desirable goals. This research will lead to better understanding of magnetic phenomena at the molecular level and possibly to increased ability to design molecular- and nano- scale devices with specific magnetic properties.