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讲座35 - 了解分子结构和能源通过标准券Lecture 35 - Understanding Molecular Structure and Energy through Standard Bonds |
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| 课程网址: | http://videolectures.net/yalechem125f08_mcbride_lec35/ |
| 主讲教师: | J. Michael McBride |
| 开课单位: | 耶鲁大学 |
| 开课时间: | 2010-06-10 |
| 课程语种: | 英语 |
| 中文简介: |  |
| 课程简介: | Although molecular mechanics is imperfect, it is useful for discussing molecular structure and energy in terms of standard covalent bonds. Analysis of the Cambridge Structural Database shows that predicting bond distances to within 1% required detailed categorization of bond types. Early attempts to predict heats of combustion in terms of composition proved adequate for physiology, but not for chemistry. Group- or bond-additivity schemes are useful for understanding heats of formation, especially when corrected for strain. Heat of atomization is the natural target for bond energy schemes, but experimental measurement requires spectroscopic determination of the heat of atomization of elements in their standard states. Problem sets/Reading assignment: Reading assignments, problem sets, PowerPoint presentations, and other resources for this lecture can be accessed from Professor McBride's on-campus course website, which was developed for his Fall 2008 students. Please see Resources section below. |
| 关 键 词: | 化学; 有机化学; 能源 |
| 课程来源: | 视频讲座网 |
| 最后编审: | 2021-12-23：liyy |
| 阅读次数: | 45 |