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本文根据杂化轨道理论、价层电子对互斥理论、HMO法以及一些实验事实分析NO_2的成键情况,认为分子中存在Ⅱ_3~4离域π键。
In this paper, based on hybrid orbital theory, valence electron pair exclusion theory, HMO method and some experimental facts to analyze the bond formation of NO 2, we think that Ⅱ_3 ~ 4 delocalized π bond exists in the molecule.