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Citation: Linhan Tian, Changsheng Lu. Discussion on Sextuple Bonding in Diatomic Motifs of Chromium Family Elements[J]. University Chemistry, ;2024, 39(8): 395-402. doi: 10.3866/PKU.DXHX202401056 shu

Discussion on Sextuple Bonding in Diatomic Motifs of Chromium Family Elements

School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China

Received Date: 19 January 2024
Revised Date: 25 March 2024

Numerous experimental and theoretical studies have been conducted to explore the bonding models and relative stability of Cr₂, Mo₂, W₂ groups within chromium family. This paper reviews the current research trajectory and recent advancements, specially focusing on their bonding configurations and strategies for further stabilization. The analysis suggests that the instability of Cr₂, Mo₂, W₂ groups results from the electron repulsion in tightly packed electrons between the two individual atoms. Thus, approaches to stabilize these molecules fundamentally aim to reduce electron density and mitigate electron-electron repulsion.
- Metal multiple bond,
- Chromium family elements,
- σ-hole
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