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Research Highlights in Nature Review: Cationic congeners captured!

harakterisierung von tetraedrischen P3E-Kationen [E=S, Se, Te]

 Nature Reviews Chemistry

https://doi.org/10.1038/s41570-019-0145-8

 

 Published online in Nature Reviews 18.10.2019

Chemistry aromaticity at the centre of a cluster.

Main-group atoms often come in small clusters whose nuclearity and charge are governed by electroncounting rules. P4 is arguably the most well-known of these clusters, but several other tetrahedra such as P3As and [P3Ga]2− are isolable. Given the diversity of neutral and anionic 20-valence-electron tetrahedra, there is a striking paucity of cationic derivatives, only a handful of which have been observed, and even then only in the gas phase. A team led by Ingo Krossing has now addressed this by describing in Chemical Science the solution-phase generation and NMR characterization of three cationic congeners [P3E]+ (E=S, Se, Te)

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