Gas Electron Diffraction and Small Molecule Structures Centre, Bielefeld (GED@BI)
气体电子衍射和小分子结构中心,比勒费尔德 (GED@BI)
基本信息
- 批准号:233477935
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Core Facilities
- 财政年份:2013
- 资助国家:德国
- 起止时间:2012-12-31 至 2016-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Accurate molecular structures are the key for understanding chemical reactivity and molecular properties. We propose to establish an international core facility (GED@BI) for structure determination of small molecules by two specialized techniques: gas electron diffraction (GED) and X-ray diffraction (XRD) of in-situ grown crystals. GED is the most powerful method for investigating free molecules, undistorted by intermolecular interactions. It is complementary to single-crystal XRD. XRD is the standard method for crystalline samples and can be extended to liquids or gases, if they are crystallized directly (in situ) on a diffractometer. In addition, XRD allows determining electron density distributions. The proposed methods are in many cases the only applicable to determine the structure of new compounds. They find applications in fundamental and applied chemical science, in particular to study weak inter- or intramolecular interactions, unusual bonding situations, conformational behaviour, cluster compounds and many more. Comparing gas and solid state structures provides information on structural consequences of intermolecular interactions. GED data also serve to validate or disprove quantum-chemical single-molecule calculations. The core facility GED@BI runs the most modern instrument for high-resolution GED worldwide and the only one in the EU. It is one of few places for XRD of in-situ grown crystals. It has a wide group of international users, guarantees sustainable operation of two important methods, secures further method development, education of young scientists, and will demonstrate successful management and financing concepts.
准确的分子结构是理解化学反应性和分子性质的关键。我们建议建立一个国际核心设施(GED@BI)的结构测定的小分子的两个专业技术:气体电子衍射(GED)和X射线衍射(XRD)的原位生长的晶体。广义电动力学是研究不受分子间相互作用影响的自由分子的最有力的方法。它是单晶XRD的补充。XRD是结晶样品的标准方法,如果液体或气体在衍射仪上直接(原位)结晶,则可以扩展到液体或气体。此外,XRD允许确定电子密度分布。所提出的方法在许多情况下是唯一适用于确定新化合物的结构。它们在基础和应用化学科学中得到应用,特别是研究弱分子间或分子内相互作用,不寻常的键合情况,构象行为,簇合物等等。比较气体和固体状态的结构提供信息的结构后果的分子间相互作用。GED数据也用于验证或反驳量子化学单分子计算。核心设施GED@BI运行着全球最现代化的高分辨率GED仪器,也是欧盟唯一的仪器。这是为数不多的原位生长晶体的XRD的地方之一。它拥有广泛的国际用户群,保证两种重要方法的可持续运行,确保进一步的方法开发,年轻科学家的教育,并将展示成功的管理和融资概念。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr. Norbert W. Mitzel其他文献
Professor Dr. Norbert W. Mitzel的其他文献
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{{ truncateString('Professor Dr. Norbert W. Mitzel', 18)}}的其他基金
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324757882 - 财政年份:2017
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Multiply Lewis-acidic and metallophilic receptor systems with trisilacyclohexane skeletons
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313483887 - 财政年份:2016
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Frustrated Lewis-Pairs with Silicon, Germanium and Tin as Lewis-acidic Functions
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320753677 - 财政年份:2016
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Polydentate Lewis acids with oriented acceptor functions
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248859450 - 财政年份:2013
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Czech-German Cooperation Project: Structure studies on inner and outer functionalized icosahedral and bicapped square-antiprismatic boron clusters
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234021884 - 财政年份:2013
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Small chalcogen-organyls - fundamental structural, conformational and electronic properties
小硫族有机基 - 基本结构、构象和电子特性
- 批准号:
179077585 - 财政年份:2010
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Doppelt Heteroatom-funktionalisierte Carbanionen - Synthese, Bildungsmechanismen und Anwendungen
双杂原子功能化碳负离子——合成、形成机制和应用
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104453850 - 财政年份:2009
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Research Grants
Hydroxylamine als flexible Liganden in der Organometallchemie der Metalle der Gruppen 4 und 13
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61805626 - 财政年份:2007
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