Reactions of Silicon Atoms with Cyanogen: Generation and Matrix‐Spectroscopic Identification of Five C 2 N 2 Si Isomers | Zendy

Maier Günther | Zendy; Reisenauer Hans Peter | Zendy

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Reactions of Silicon Atoms with Cyanogen: Generation and Matrix‐Spectroscopic Identification of Five C 2 N 2 Si Isomers

Author(s) -

Maier Günther,

Reisenauer Hans Peter

Publication year - 2005

Publication title -

european journal of organic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.825

H-Index - 155

eISSN - 1099-0690

pISSN - 1434-193X

DOI - 10.1002/ejoc.200400767

Subject(s) - silylene , chemistry , cyanogen , silicon , matrix isolation , adduct , photochemistry , irradiation , isocyanide , atom (system on chip) , argon , azirine , stereochemistry , organic chemistry , physics , computer science , nuclear physics , embedded system , ring (chemistry)

The reactions of silicon atoms with cyanogen 12 in an argon matrix at 10 K have been studied. In the initial step a triplet n adduct T‐13 is formed between a silicon atom and 12 . The next step needs photochemical activation. Long‐wavelength irradiation yields 3‐cyanoazasilacyclopropenylidene 14 , which upon irradiation with 254 nm light is transformed into three isomeric silylenes: dicyanosilylene 15 , cyano(isocyano)silylene 16 , and di(isocyano)silylene 17 . The structural elucidation of all new species is based on comparison of the experimentally obtained IR and UV/Vis spectra with the results of density functional theory calculations. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005)

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