Quasi-Chalcogen Characteristics of Al12Be: A New Member of the Three-Dimensional Periodic Table

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• 作者：Wei-Ming Sun ; Di Wu ; Xiang-Hui Li ; Ying Li ; Jing-Hua Chen ; Chun-Yan Li ; Jia-Yuan Liu ; Zhi-Ru Li
• 刊名：Journal of Physical Chemistry C
• 出版年：2016
• 出版时间：February 4, 2016
• 年：2016
• 卷：120
• 期：4
• 页码：2464-2471
• 全文大小：523K
• ISSN：1932-7455

文摘

The creative concept of superatom brings a new dimension to the conventional periodic table, which has been gradually enriched by both theoretical and experimental research. In this article, we propose a new member, namely, Al₁₂Be, to the superatom family. The amazing similarity between the Al₁₂Be cluster and the chalcogen elements makes the former an excellent superatom counterpart of the latter. In addition, Al₁₂Be exhibits more exothermic first electron affinity (EA) and less endothermic second EA values due to its size advantage over the chalcogen atoms, showing the superatom superiority in this respect. The stable compounds formed between Al₁₂Be and other atoms, such as carbon, beryllium, calcium, and lithium, provide further evidence to support the quasi-chalcogen identity of Al₁₂Be.