Linear Heterotrimetallic Coordination Compounds: Metal Atom Core and Axial Site Manipulation

在这个由化学系化学合成项目资助的项目中，约翰·F·威斯康星州-麦迪逊大学的贝瑞正在研究金属化合物，这种化合物的特点是由氮或氧供体基团（配体）支撑的三个金属原子的线性链。具有金属原子链的化合物在生物和合成催化、材料化学、能量转换、分子磁性和单分子电导中有应用。该项目开发了以前从未制备过的化合物的制备，因此其反应性是未知的。这三个原子单位可以被设想为具有重要的磁性和电学性质。贝里教授坚定地致力于通过几个主要渠道向公众传播科学。Berry教授是威斯康星州科学素养倡议（WISL）的研究员，并参与了许多WISL活动。 他和他的团队参加了“化学音乐会”，向公众展示音乐作品，并评论科学和艺术之间的紧密联系。贝里教授还参加了“化学对话”，一个电视公开讲座的K？12名科学教师，其中的主题是化学，音乐作曲和艺术之间的联系。贝瑞实验室还参与了研究生、大学和高中阶段的外展项目，这些项目吸引了代表性不足的少数民族学生。在研究生和大学阶段，贝瑞是化学机会（CHOPS）计划的积极参与者。CHOPS将20名高素质的本科生带到校园，通过与研究生主持人配对，他们将接触到研究生院的经验。这些学生通常来自代表性不足的背景。该项目涉及有计划的，假设驱动的，系统的合成，物理和光谱研究，深入了解异三金属化合物的重要结构/性质关系，这些化合物含有金属-金属多重键合单元和来自f-，后期d-或主族元素的第三种金属。特别是，该项目侧重于：（1）氧化还原化学，（2）磁性行为，和（3）电子传输特性。这些方法包括有机合成、高温合成技术、对空气敏感的化合物的操作、光谱和电化学表征方法，以及使用密度泛函理论来模拟电子结构。该项目为从事该项目的研究生和本科生提供了良好的培训。这种训练和学习与发现新化合物及其性质的探索密切相关。该项目为研究生和本科生提供了良好的培训，他们学习了大量的合成，表征和计算技术。

In this project, funded by the Chemical Synthesis program of the Chemistry Division, Professor John F. Berry of the University of Wisconsin - Madison is studying metal compounds that feature a linear chain of three metal atoms supported by nitrogen- or oxygen-donor groups (ligands). Compounds with chains of metal atoms find applications in in biological and synthetic catalysis, materials chemistry, energy conversion, molecular magnetism, and single-molecule conductance. The project develops the preparation of compounds that have never before been prepared and thus their reactivity is unknown. The three atom units can be envisaged to possess important magnetic and electrical properties. Professor Berry is strongly committed to communicating science to the general public through several major outlets. Professor Berry is a Fellow of the Wisconsin Initiative for Science Literacy (WISL) and has been involved in many WISL events. He and his group participate in "Concert at Chemistry" presenting musical compositions to the general public, and commenting on the strong connections between science and the arts. Professor Berry has also participated in "Conversations in Chemistry", a televised public lecture for an audience of K?12 science teachers in which the topic was the connections between chemistry, music composition and the arts. The Berry lab is also involved in outreach programs at the graduate, college, and high school levels that engage underrepresented minority students. At the graduate and college level, Berry is an active participant in the Chemistry Opportunities (CHOPS) program. CHOPS brings 20 highly qualified undergraduates to campus in which they are exposed to the graduate school experience by being paired up with graduate student hosts. These students typically come from underrepresented backgrounds. The project involves planned, hypothesis-driven, systematic synthetic, physical, and spectroscopic studies that give insights into important structure/property relationships in heterotrimetallic compounds that contain a metal-metal multiply bonded unit and a third metal from the f-, late d-, or main group elements. In particular, the project focuses on: (1) redox chemistry, (2) magnetic behavior, and (3) electron transport properties. The methodologies include organic synthesis, high-temperature synthetic techniques, manipulation of air sensitive compounds, spectroscopic and electrochemical characterization methods, and the use of density function theory to model electronic structure. This project offers excellent training for the graduate students and undergraduates who work on this project. This training and learning is intimately integrated with discovery of novel compounds and exploration of their properties. This project provides excellent training for the graduate students and undergraduates who learning a multitude of synthetic, characterization, and computational techniques.