Synthesis and Characterization of Metallated Zintl Ions

Bryan Eichhorn博士，化学系，马里兰州大学- 学院公园，是由无机，生物无机， 化学系有机化学课程研究 过渡金属衍生物的合成与表征 可溶性14和15族Zintl离子。化合物将由以下制备： 零价过渡金属配合物与Zintl反应 阴离子。目标复合物将是第一个阴离子 过渡金属Zintl离子簇。这些物种含有很少或没有 伴随的配体或有机基团，并将含有高度亲核的 过渡金属中心这些络合物在活化 将研究小分子。 一般来说，金属原子倾向于失去电子，形成带正电的 离子。然而，有一类带负电荷的物种， Zintl离子，由几种金属（通常在7和12之间）组成 聚集在一起的原子。该项目旨在为此类 带负电荷的簇，其中一个组分是 过渡金属。由于过渡金属具有重要的，例如， 催化性能，在这项研究中要制备的新物种是 设想拥有激活小分子并执行 比目前已知的Zintl更有效的化学转化 物种

Dr. Bryan Eichhorn, Chemistry Department, University of Maryland - College Park, is supported by the Inorganic, Bioinorganic, and Organometallic Chemistry Program of the Chemistry Division to investigate the synthesis and characterization of transition metal derivatives of soluble group 14 and 15 Zintl ions. The compounds will be prepared from the reactions between zero valent transition-metal complexes and Zintl anions. The targeted complexes will be among the first anionic transition-metal Zintl ion clusters. These species contain few or no attendant ligands or organic groups and will contain highly nucleophilic transition-metal centers. The use of these complexes in the activation of small molecules will be investigated. In general metal atoms tend to lose electrons to form positively charged ions. However, there is a class of negatively charged species called Zintl ions which are composed of several (usually between 7 and 12) metal atoms which are clustered together. This project aims at preparing such negatively charged clusters in which one of the components is a transition-metal. Since the transition-metals have important, e.g., catalytic properties, the new species to be prepared in this research are envisioned to possess the ability to activate small molecules and perform chemical transformations more efficiently than presently known Zintl species.