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Persilastaffanes: Design, Synthesis, Structure, and Conjugation between Silicon Cages
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2011-12-07 , DOI: 10.1002/anie.201106422
Takeaki Iwamoto , Daisuke Tsushima , Eunsang Kwon , Shintaro Ishida , Hiroyuki Isobe

By stepwise catenation of bicyclo[1.1.1]pentasilane units persila[n]staffanes (n=1, 2, and 3) were synthesized as air‐stable colorless crystals. A remarkable red‐shift of the UV/Vis absorption bands with increasing number of bicyclo[1.1.1]pentasilane units suggests remarkable interactions between bridgehead SiSi σ orbitals and between cage SiSi σ orbitals (see picture).
image


中文翻译:

Persilastaffanes:硅笼之间的设计,合成,结构和偶联

通过双环[1.1.1]五硅烷单元的逐步串联,合成了persila [ n ]的黄烷(n = 1、2和3),为空气稳定的无色晶体。随着双环[1.1.1]五硅烷单元数量的增加,UV / Vis吸收带发生显着的红移,表明桥头SiSiσ轨道之间和笼架SiSiσ轨道之间存在显着的相互作用(参见图片)。
图像
更新日期:2011-12-07
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