Purchase of an X-Ray Diffractometer

化学研究仪器和设施项目的这一奖项将帮助罗切斯特大学化学系购买现代单晶衍射系统。这一新仪器将极大地加强以下领域的研究：(1)噻吩类化合物中C-H键和C-S键的活化研究；(2)双核铂族络合物对酰基-酰基偶联反应的催化作用；(3)Rh(III)、Ir(III)和D7的阳离子络合物在键活化中的亲电和自由基过程；(4)各种染料的聚集体和微晶的形成以及光化学反应生色团的研究；(5)天然产物的不对称合成方法的发展；(6)单取代烯烃聚合催化剂的设计与合成。X射线衍射仪被用来对分子的全部三维结构进行精确和精确的测量。得到的信息给出了给定分子的所有键距和键角的精确值，并提供了关于该分子相对于邻近分子的空间排列的准确信息。

This award from the Chemistry Research Instrumentation and Facilities Program will assist the Department of Chemistry at University of Rochester in the purchase of a modern single drystal diffraction system. This new instrumentation will enhance greatly research in a number of areas including the following: (1) Studies of C-H and C-S bond activation in thiophenes; (2) The catalysis of acyl-acyl coupling reactions with binuclear platinum group complexes; (3) Electrophilic and radical processes in bond activation using cationic complexes of Rh(III) and Ir(III) and d7 complexes; (4) Studies of the formation of aggregates and microcrystallites of various dyes and photochemically reactive chromophores; (5) The development of asymmetric synthesis methodology for natural products; and (6) The design and synthesis of catalysts for the polymerization of monosubstituted olefins. The X-ray diffractometer is used to make accurate and precise measurements of the full three- dimensional structure of a molecule. The information obtained gives the precise values of all the bond distances and bond angles of a given molecule and it gives accurate information about the spatial arrangement of that molecule relative to the neighboring molecules.