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Updated: Nov 17, 2025

Synthesis of Nine-atom Deltahedral Zintl Ions of Germanium and their Functionalization with Organic Groups
Published on: February 11, 2012
On Close Parallels between the Zintl-Based Superatom Ge9Be and Chalcogen Elements.
Duomei Xue1, Di Wu1, Zeren Chen2
1Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun 130023, P. R. China.
Germanium-Beryllium (Ge9Be) Zintl clusters exhibit superatom properties, mimicking chalcogen elements. This discovery enables the design of novel materials with unique electronic and chemical characteristics.
Area of Science:
- * Materials Science
- * Cluster Chemistry
- * Superatom Chemistry
Background:
- * Superatoms are nanoscale clusters that mimic the properties of individual atoms.
- * The
- * Zintl clusters are a class of intermetallic compounds with unique electronic structures.
Purpose of the Study:
- * To investigate the superatom characteristics of the Zintl cluster Ge9Be.
- * To explore the potential of Ge9Be as a superatom building block.
Main Methods:
- * Computational studies were employed to analyze the electronic structure and stability of Ge9Be.
- * Theoretical modeling was used to predict the formation of compounds with Ge9Be.
Main Results:
- * Ge9Be possesses 38 valence electrons, exhibiting a strong tendency to gain two electrons for shell closure, akin to chalcogens.
- * Ge9Be forms stable ionic compounds with alkali and alkaline-earth metals, analogous to chalcogenides.
- * Covalent compounds formed between Ge9Be and Al7- resemble carbon oxides, and (Ge9Be)2-based compounds mirror peroxides.
Conclusions:
- * Ge9Be is identified as a stable superatom with remarkable similarity to group VIA elements.
- * This finding provides a new avenue for designing and synthesizing novel superatom materials based on Zintl clusters.
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