Ionic Dissociation Of Sicl4: Formation Of [Sil6]Cl-4 With L=Dimethylphosphinic Acid

Janine Kowalke,Joerg Wagler,Christine Viehweger,Erica Brendler,Edwin Kroke

CHEMISTRY-A EUROPEAN JOURNAL（2020）

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摘要

Reactions of SiCl4 with R2PO(OH) (R=Me, Cl) yield compounds with six-fold coordinated silicon atoms. Whereas R=Me afforded the hexacoordinated tetra-cationic silicon complex [Si(Me2PO(OH))(6)](4+) with chloride counter-ions, R=Cl caused release of HCl with formation of a cyclic dimeric silicon complex [Si(Cl2PO(OH))(Cl2PO2)(3)(mu-Cl2PO2)](2) with bridging bidentate dichlorophosphates.

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关键词

hypervalent compounds, NMR spectroscopy, Si-Cl dissociation, structure elucidation, X-ray diffraction

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