MRI-R2: Acquisition of Smart X2S Automated Bench Top Single Crystal X-ray Diffractometer

该奖项是根据 2009 年美国复苏和再投资法案（公法 111-5）提供资金的。北卡罗来纳州农业技术州立大学化学系的 Zerihun Assefa 教授和同事 Debasish Kuila 将通过主要研究仪器 (MRI) 项目的这一奖项获得一台自动台式单晶 X 射线衍射仪。该仪器还将由北卡罗来纳大学格林斯伯勒分校的研究人员使用，并将支持以下研究活动：1）研究有机溶剂分子对金属-金属相互作用和延伸线性链的破坏； 2) 叔膦配体高配位金(I)配合物的合成、X射线晶体学和光致发光研究； 3）使用光捕获配体来增强金属位点的发射； 4) 对生物、生物有机和生物无机感兴趣的小原型分子的研究。X射线衍射仪可以精确测量分子的完整三维结构，包括键距和角度，并提供有关分子相对于相邻分子的空间排列的准确信息。这里描述的研究将影响许多领域，包括化学、材料化学和生物化学。该仪器将成为这所历史悠久的黑人大学教学和研究不可或缺的一部分。

This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5).With this award from the Major Research Instrumentation (MRI) program Professor Zerihun Assefa and colleague Debasish Kuila from the Department of Chemistry at North Carolina Agricultural & Technical State University will acquire an automated bench-top single crystal X-ray diffractometer. The instrument will also be used by researchers at the University of North Carolina at Greensboro and will support research activities such as: 1) study of disruption of metal-metal interactions and extended linear chains by organic solvent molecules; 2) synthesis, X-ray crystallography, and photoluminescence studies of high-coordinate gold(I) complexes with tertiary phosphine ligands; 3) use of light harvesting ligands to enhance emission from metal sites; and 4) study of small prototype molecules of biological, bioorganic, and bioinorganic interest.An X-ray diffractometer allows accurate and precise measurements of the full three dimensional structure of a molecule, including bond distances and angles, and provides accurate information about the spatial arrangement of a molecule relative to neighboring molecules. The studies described here will impact a number of areas, including chemistry, materials chemistry and biochemistry. This instrument will be an integral part of teaching as well as research at this historically black university.