First report of a planar and a quasi-planar Al 13 + cluster having localized antiaromatic deltas within an aromatic sea: NICS, ELF, AIM, and AdNDP bonding analysis
JOURNAL OF MOLECULAR MODELING(2018)
摘要
A perfectly planar Al 13 + cluster (CI) and a quasi-planar Al 13 + cluster (CII) have been found for the first time. Both clusters have a triangular core surrounded by a set of ten Al atoms in the form of a ring. These cationic clusters have substantial aromatic character. The planar CI cluster has local antiaromatic patches within global aromatic sea. It is doubly aromatic having both σ and π aromatic character. The quasi-planar CII cluster is also aromatic but it has more σ-delocalization. Graphical abstract Planar and quasi-planar Al 13 + clusters with triangular core surrounded by a ring of ten atoms.
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关键词
Planar/quasi-planar aluminium cluster,NICS study,ELF analysis,AIM and AdNDP analysis,Aromaticity and antiaromaticity
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