共价键
化学键
惰性气体
化学物理
化学
可见的
计算化学
纳米技术
材料科学
物理
量子力学
有机化学
作者
Sudip Pan,Gabriel Merino,Lili Zhao
标识
DOI:10.1002/9781119683353.ch14
摘要
Chemical bonding is a fuzzy concept in chemistry defined based on different models since it is neither an experimentally observable quantity nor there is any Hermitian quantum mechanical operator corresponding to this. This chapter presents some examples to show how confinement can even induce chemical bonding in between two noble gas (Ng) atoms in true sense. The Xe-Xe bond can undoubtedly be assigned as a genuine chemical covalent bond and the Ar-Ar and Kr-Kr bonds have at least some partial covalent character. Depending on the size of cavitand and size of the Ng, the degree of covalent bond formation either between Ng and cage centers or between two Ng atoms gets formed. Confinement of Ng 2 becomes a playground for the application of different bonding models and each model has their own advantages and limitations which further create debate.
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