Tetrakis(trimethylsilyl)silane is the organosilicon compound with the formula (Me₃Si)₄Si (where Me = CH₃). It is a colorless sublimable solid with a high melting point. The molecule has tetrahedral symmetry. The compound is notable as having silicon bonded to four other silicon atoms, like in elemental silicon.

Preparation and reactions

The compound is prepared by the reaction of trimethylsilyl chloride, silicon tetrachloride, and lithium: :4 Me₃SiCl + SiCl₄ + 8 Li → (Me₃Si)₄Si + 8 LiCl The compound is a precursor to tris(trimethylsilyl)silyl lithium by reaction with methyl lithium:{{cite journal, title=Tris(trimethylsilyl)silane, author=Joachim Dickhaut, Bernd Giese, journal=Org. Synth., year=1992, volume=70, page=164, doi=10.15227/orgsyn.070.0164 :(Me₃Si)₄Si + MeLi → (Me₃Si)₃SiLi + Me₄Si The organolithium compound (Me₃Si)₃SiLi is a versatile reagent, e.g. to

tris(trimethylsilyl)silane Tris(trimethylsilyl)silane is the organosilicon compound with the formula (Me3Si)3SiH (where Me = CH3). It is a colorless liquid that is classified as a hydrosilane since it contains an Si-H bond. The compound is notable as having a weak Si-H bo ...

((Me₃Si)₃SiH).

References

Carbosilanes Trimethylsilyl compounds

Preparation and reactions

See also

References