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Persilastaffanes: Design, Synthesis, Structure, and Conjugation between Silicon Cages
Author(s) -
Iwamoto Takeaki,
Tsushima Daisuke,
Kwon Eunsang,
Ishida Shintaro,
Isobe Hiroyuki
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201106422
Subject(s) - catenation , atomic orbital , silicon , crystallography , absorption (acoustics) , bicyclic molecule , chemistry , stereochemistry , materials science , nanotechnology , computational chemistry , optoelectronics , physics , electron , quantum mechanics , dna , biochemistry , composite material
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).