The major component of the asymmetric unit of the title crystal structure is shown in the figure. Tables 1 and 2 contain details of the measurement method and a list of the atoms including atomic coordinates and displacement parameters.
Source of materialsThe title compound was prepared according to standard procedures in argon atmosphere in oven-dried glassware using Schlenk-techniques [3-8]. 5.4 g (15.2 mmol) N,N′-di( t pentyl)-Si,Si-diphenylsilanediamine were dissolved in 15 mL n-pentane and 10 mL diethylether. 19.0 mL of a nbutyllithium solution (c = 1.6 mol/L in n-hexane, 30.4 mmol) were added at −20°C. The reaction mixture was stirred for 24 h at room temperature. Cooling to −78°C and addition of 2.1 g (15.2 mmol) PCl 3 yielded a yellow suspension. The reaction mixture was stirred for 1 h. After filtration and removal of the solvent under reduced pressure the crude product was obtained as viscous oil. The oil was allowed to stand at room temperature.
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