Syntheses of dialkali metal complexes of tetrakis(dimethylsilyl)ethylene: [(HMe2Si)2C=C(SiMe2H)2]2- [M+(ligand)(n)]2. Evidence for SiH-alkali metal agostic interactions

Masaaki Ichinohe, Akira Sekiguchi, Masae Takahashi, Hideki Sakurai

研究成果: Article査読

6 被引用数 (Scopus)

抄録

A series of dialkali metal complexes, [(HMe2Si)2C=C(SiMe2H)2]2- [M+(ligand)(n)]2 (M = Li, Na, K, Rb, Cs), were prepared by the reaction of tetrakis(dimethylsilylethylene) with alkali metals. These complexes exhibit Si-H alkali metal agostic interactions and have been characterized by spectroscopic and structural methods. Spectroscopic evidence for the interaction of the hydrogen on the silicon atom with alkali metals include (1) an unusually small value of the silicon-hydrogen coupling constant (1J(Si-H)) in NMR spectra and (2) low-energy Si-H stretching frequency in the infrared spectra. The smallest cation, Li+, can interact with SiH most strongly.

本文言語English
ページ(範囲)1905-1910
ページ数6
ジャーナルBulletin of the Chemical Society of Japan
72
8
DOI
出版ステータスPublished - 1999 8月 1
外部発表はい

ASJC Scopus subject areas

  • 化学 (全般)

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