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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 122 (1991), S. 661-671 
    ISSN: 1434-4475
    Keywords: Ethynylsilanes ; Conjugation ; Structure determination ; Raman spectra
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Die Frage der Konjugation zwischen -C≡C- und -SiMe 2- Gruppen in [-C≡C-SiMe 2-] n mitn=4 und 5 wurde mittels AM 1-Rechnungen untersucht, wobei starke Konjugation resultierte. Bei Strukturuntersuchungen (AM 1 und Röntgenbeugung) und in den Raman-Spektren wurden keine signifikanten Unterschiede zu normalen Werten beobachtet. Die NMR Si-C≡Kopplungskonstante und UV-Spektren werden angegeben.
    Notes: Summary The question about conjugation between -C≡C- and -SiMe 2- groups in [-C≡C-SiMe 2-] n withn=4 and 5 has been investigated by AM 1 calculations which show strong conjugation. In the structure determination (AM 1, X-ray) and in the Raman spectra no significant differences to normal values are observed. The NMR Si-C≡coupling constant and UV spectra are presented.
    Type of Medium: Electronic Resource
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