An element bonding parameter topological index HLA is proposed based on topological principle and valenceshellelectron structural character.
基于元素键参数拓扑指数原理以及镧系元素价层电子结构特征构建了一种新的拓扑指数HLA。
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This paper analyzes shellelectron pair repulsion theory , valence-bond theory and molecular orbital theory on molecular structure of noble gas compounds.