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The molecular structure of N-sulfinyl trimethylsilanamine, (CH3)3SiNSO |
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| Authors: | Karina I Gobbato Carlos O Della Vdova Heinz Oberhammer |
| Institution: | a Institut für Physikalische und Theoretische Chemie, Auf der Morgenstelle 8, Universität Tübingen, D-72076, Tübingen, Germany b Programa QUINOR (Química Inorgánica), Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 47 esq. 115, C.C. 962, (1900), La Plata, Argentina |
| Abstract: | The geometric structure of (CH3)3Si---NSO in the vapour phase has been determined by gas electron diffraction. The molecule possesses a planar Si---N=S=O skeleton with syn conformation. The Si(CH3)3 group staggers the N=S double bond. The following skeletal parameters (ra distances and   angles with 3σ errors limits) were obtained: Si---N 1.750(6)Å, N=S 1.508(5)Å, S=O 1.444(4)Å, Si---N=S 133.9(9)°, N=S=O 122.5(10)°. Ab initio calculations (HF/3−21G*) were performed for H3Si---NSO and confirm the planar syn structure for sulfinyl silanamines. |
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