Transformative Si8R8 siliconoids

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6 Citations (Scopus)

Abstract

Molecular silicon clusters with unsubstituted silicon vertices (siliconoids) have received attention as unsaturated silicon clusters and potential intermediates in the gas-phase deposition of elemental silicon. Investigation of behaviors of the siliconoids could contribute to the greater understanding of the transformation of silicon clusters as found in the chemical vapor deposition of elemental silicon. Herein we reported drastic transformation of a Si8R8 siliconoid to three novel silicon clusters under mild thermal conditions. Molecular structures of the obtained new clusters were determined by XRD analyses. Two clusters are siliconoids that have unsaturated silicon vertices adopting unusual geometries, and another one is a bis(disilene) which has two silicon-silicon double bonds interacted to each other through the central polyhedral silicon skeleton. The observed drastic transformation of silicon frameworks suggests that unsaturated molecular silicon clusters have a great potential to provide various molecular silicon clusters bearing unprecedented structures and properties.

Original languageEnglish
Article number107
JournalInorganics
Volume6
Issue number4
DOIs
Publication statusPublished - 2018 Dec 1

Keywords

  • Cluster
  • Isomerization
  • Silicon
  • Siliconoid
  • Subvalent compounds

ASJC Scopus subject areas

  • Inorganic Chemistry

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