Actually, the first quantum chemical calculation of a chemical system by Heitler and London in 1927 was based on this theory. In a typical valence-bond calculation, the input consists of strictly ...

Each 2D superatom satisfies the super sextet rule of Ne via superatomic bonds and superatomic lone pairs, thus realizing electronic shell-closure, and eventually leading to local aromaticity.

Lu Qiu, Xiuyun Zhang, Xiao Kong, Izaac Mitchell, Tianying Yan, Sung Youb Kim, Boris I. Yakobson, and Feng Ding, “Theory of sigma bond resonance in flat boron materials” Nature Communications ...

Recently, in a paper published in National Science Review (NSR), researchers at Anhui University and University of Science & Technology of China proposed a 2D superatomic-molecule theory. It ...