Synthesis and structure of a metal-rich tetradecagallium cluster with a polyhedral core
Ga14(hypersilyl)6 [hypersilyl = Si(SiMe3)3] is a novel metal-rich and polyhedral cluster compound with an unprecedented structure in gallium chemistry. The gallium atoms form an omnicapped cube, meaning six gallium hypersilyl units are capping the faces of a Ga8 cube. The synthesis of the cluster is...
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| Main Authors: | , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
June 17, 2025
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| In: |
European journal of inorganic chemistry
Year: 2025, Volume: 28, Issue: 17, Pages: 1-6 |
| ISSN: | 1099-0682 |
| DOI: | 10.1002/ejic.202400725 |
| Online Access: | Verlag, kostenfrei, Volltext: https://doi.org/10.1002/ejic.202400725 Verlag, kostenfrei, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/ejic.202400725 
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| Author Notes: | Tobias Saxl, Dominik Scheid, Gerald Linti |
| Summary: | Ga14(hypersilyl)6 [hypersilyl = Si(SiMe3)3] is a novel metal-rich and polyhedral cluster compound with an unprecedented structure in gallium chemistry. The gallium atoms form an omnicapped cube, meaning six gallium hypersilyl units are capping the faces of a Ga8 cube. The synthesis of the cluster is performed using a new reagent, a solution of subvalent gallium trifluoromethanesulfonate, which is easily obtained by oxidation of gallium with silver trifluoromethanesulfonate in toluene. After the addition of an excess of lithium hypersilanide and warming up the reaction mixture, [Ga14(hyp)6] is isolated by crystallization from n-hexane and structurally characterized by single crystal X-ray crystallography. density functional theory calculations confirmed structural variations of the core structure of Ga14R6 depending on numbers of cluster electrons and types of substituents. |
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| Item Description: | Zuerst veröffentlicht: 17. März 2025 Gesehen am 11.09.2025 |
| Physical Description: | Online Resource |
| ISSN: | 1099-0682 |
| DOI: | 10.1002/ejic.202400725 |