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- W2107789710 abstract "The reaction of (F 3 C)Cl 2 SiCl 3 with the lithiated hydrazine LiN(Me)NMe 2 gives the compound (F 3 C)Cl 2 SiN(Me)NMe 2 (1) and in traces Cl 3 SiN(Me)NMe 2 (2). The reactions with LiN(SiMe 3 )NMe 2 and LiONMe 2 give (F 3 C)Cl 2 SiN(SiMe 3 )NMe 2 (4) and (F3C)Cl 2 SiONMe 2 (5), respectively. The compounds were characterised by multinuclear solution NMR, gas-phase IR spectroscopy and mass spectrometry. Information about conformational preferences of 1 and 4 can be extracted by comparing experimental IR spectra with those calculated by quantum chemical methods (B 3 LYP/6-311G**). The former show the gas phase of the β -donor-acceptor silanes 1 and 4 to be dominated by the anti conformations, while the calculations show a preference for the gauche conformers. The crystal structure of Cl 3 SiN(Me)NMe 2 (2) has been determined. The solid-state structures of the Ruppert reagent F 3 C-SiMe 3 (1) and its chlorine analogue F 3 C-SiCl 3 (2) have also been determined by X-ray diffraction of single crystals grown by in situ techniques." @default.
- W2107789710 created "2016-06-24" @default.
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- W2107789710 date "2009-01-01" @default.
- W2107789710 modified "2023-10-05" @default.
- W2107789710 title "Trifluoromethylated Compounds with SiNN and SiON Backbone, and the Crystal Structures of Trimethyl- and Trichloro(trifluoromethyl)silane" @default.
- W2107789710 doi "https://doi.org/10.1515/znb-2009-0111" @default.
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