Purchase of X-Ray Diffraction Equipment

这份来自化学研究仪器项目的合同将帮助南加州大学化学系购买一台具有旋转阳极源和低温能力的x射线衍射仪。获得该仪器将支持的研究领域有：1。长寿命碳正离子盐的x射线衍射研究。2. 碳氢化合物在可溶性金属配合物配位球中的反应。3. 结构配位化学。4. 用x射线和中子衍射分析金属氢化物和其它化合物的结构。5. 有机金属配合物结构、反应性和能量学关系的研究。6. 合成有机，生物有机和有机金属化学。x射线衍射仪是一种用来测量化合物或分子精确结构的仪器。分子中原子间距离的测量精度约为0.1皮米（1米有1,000,000,000,000皮米；1米约为3英尺）。x射线衍射测量也提供了单晶中给定分子相对于其他邻近分子的相对位置和方向的精确信息。

This award from the Chemistry Research Instrumentation Program will assist the Department of Chemistry at the University of Southern California in the purchase of an x-ray diffractometer with a rotating anode source and low temperature capability. Research areas to be supported by the acquisition of this instrument are: 1. X-ray diffraction studies of long lived carbocation salts. 2. Reactions of hydrocarbons in the coordination sphere of soluble metal complexes. 3. Structural coordination chemistry. 4. Structure analysis of metal hydrides and other compounds by x-ray and neutron diffraction. 5. Study of the relationships between structure, reactivity and energetics in organometallic complexes. 6. Synthetic organic, bioorganic and organometallic chemistry. %%% An x-ray diffractometer is an instrument used to measure the precise structure of a chemical compound, or molecule. Distances between the atoms in a molecule are measured to a precision of about 0.1 picometers (there are 1,000,000,000,000 picometers in one meter; one meter is about three feet). X-ray diffraction measurements also give precise information about the relative location and orientation of a given molecule to the other neighboring molecules in the single crystal.