Synthesis and Crystal and Molecular Structure of Tris(dimethylphenylsilyl)antimony

Alexander Sladek, Hubert Schmidbaur

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Tris(dimethylphenylsilyl)antimony (1) was prepared in moderate yield from dimetallic “Na3Sb” (generated in situ) and chlorodimethylphenylsilane in tetrahydrofuran at reflux temperature. The product was identified by standard analytical and spectroscopic techniques, and the crystal structure was determined by single‐crystal X‐ray diffraction (triclinic, space group P1, Z = 2). The SbSi3 skeleton is pyramidal (average Si‐Sb‐Si angle 100.2°, average Sb‐Si bond length 2.558 Å), and the Me2PhSi groups are in a staggered conformation.

Original languageEnglish
Pages (from-to)565-567
Number of pages3
JournalChemische Berichte
Issue number6
StatePublished - Jun 1995
Externally publishedYes


  • Antimony, tris(dimethylphenylsilyl)‐
  • Antimony, trisilyl‐


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