Molekülstrukturbestimmung von Trimethylazidosilan mittels der Elektronenbeugung an Gasen
Open Access
- 1 September 1972
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 27 (8-9) , 1331-1335
- https://doi.org/10.1515/zna-1972-8-930
Abstract
The molecular structure of Trimethylazidosilane, (CH3)3SiNαNβNω, was determined by electron diffraction of gases. In contrary to published results this molecule has neither C3V- nor Cs-symmetry but C1-symmetry. The following results for the geometrical parameters were obtained: ra(Nω-Nβ) =1.150 ű0.011, ra(Nβ-Nα) =1.198ű0.008, ra(Si-N)=1.734ű0.007, ra(Si-C)=1.854ű0.003, ra(C-H)=1.082ű0.003, ∢Si-Nα-Nβ=128°±l.6°, ∢ᵨ=36.2°±4.9° (ᵨ is the out-of C1SiNα-plane angel of the Azidodiaine about thel Si - Nα-bond), ∢Nα-Si-C1=107o±3.1o, ∢Nα-Si-C2=110.1°±3.2 ,∢Nα-Si-C3 = 105.2°±2.6°, ∢C1-Si-C2=110.4o±2.9°, ∢C1-Si-C3=108.8o±3.1°, ∢C1-Si-C3=115°±3.4°and ∢Si-C-H=114.2°±1.6°.Keywords
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