Purchase of a Single Crystal X-Ray Diffractometer

在化学研究仪器和设施（CRIF）项目的支持下，弗吉尼亚理工学院和州立大学化学系将获得一台带有CCD探测器的x射线衍射仪，用于小分子衍射。该设备将加强许多领域的研究，包括：a)内嵌富勒烯的分析（Dorn）；b)具有抗癌活性的天然产物的结构-功能关系（Kingston）；c)轮烷和伪轮烷的研究（Gibson）；d)全氟化过渡金属环戊二烯配合物的结构、物理性质和反应性研究（Deck）；e)在水溶液和双相溶剂中使用多磺化三芳基膦金属配合物催化的研究（Hanson）；f)电荷转移分子磁体（Yee）的研究。x射线衍射仪可以精确测量分子的完整三维结构，包括键的距离和角度，并提供分子相对于邻近分子的空间排列的准确信息。这些研究将在若干领域产生影响，包括制备更有效的催化剂；材料化学;药物化学;和生物化学。

With support from the Chemistry Research Instrumentation and Facilities (CRIF) Program, the Department of Chemistry at Virginia Polytechnic Institute and State University will acquire a X-ray diffractometer with CCD detector for small molecule diffractometry. This equipment will enhance research in a number of areas including the following: a) analysis of endohedral fullerenes (Dorn); b) structure-function relationships of natural products exhibiting anticancer activity (Kingston); c) studies on rotaxanes and pseudorotaxanes (Gibson); d) studies on the structure, physical properties and reactivity of perfluoroarylated transition metal cyclopentadienyl complexes (Deck); e) investigations of catalysis using metal complexes of polysulfonated triarylphosphines in aqueous and biphasic solvents (Hanson); and f) studies on charge-transfer molecular magnets (Yee).The X-ray diffractometer allows accurate and precise measurements of the full three dimensional structure of a molecule, including bond distances and angles, and it provides accurate information about the spatial arrangement of the molecule relative to the neighboring molecules. These studies will have an impact in a number of areas, including the preparation of more efficient catalysts; materials chemistry; pharmaceutical chemistry; and biochemistry.