By calculating the number of valence electron shell, we can gain the geometry array of the electronic pair, and then judge the molecular structures.
计算出价层电子对数，得到电子对的几何排布，从而判断出分子的几何构型。
This paper analyses the basic formula of valence-shell electronic repulsion theory and discuses the laws of the geometry configuration of molecule.
本文阐述了价电子对互斥理论的基本要点和判断分子空间构型的规则；
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