Abstract
Interaction of silver iodide with triphenylstibine in dimethyl sulfoxide has led to the neutral complex iodotris(triphenylstibine)silver (1), whose structure has been established by X-ray diffraction analysis. The silver atom has distorted tetrahedral coordination. The angles SbAgSb and SbAgI equal 106.501(13)°, 109.644(13)°, 111.099(13)° и 103.063(13)°, 111.594(14)°, 114.337(14)°, the bond lengths Ag–Sb and Ag–I equal 2.7291(4), 2.7326(4), 2.8087(4) и 2.7600(4) A.
Highlights
Synthesis and structure of molecular complexes of silver that contain the bonds Sb–Ag and Ag–Hal, obtained from silver halide and triphenylstibine in water-alcohol solution, are described in the literature [1,2]
The mixture of 0.529 g (1.50 mmol) triphenylstibine, 0.117 g (0.5 mmol) silver iodide and 10 mL dimethyl sulfoxide was stirred for 1 h at room temperature, the volume was reduced to 0.5 mL, the mixture was cooled
It is known that mixing aqueous solutions of silver halides with the methanol solution of triphenylstibine (1:3 mol) leads to formation of colorless crystals of addition complexes with the general formula [(Ph3Sb)3AgHal] (Hal = Cl, Br, I) [1]
Summary
Synthesis and structure of molecular complexes of silver that contain the bonds Sb–Ag and Ag–Hal, obtained from silver halide and triphenylstibine in water-alcohol solution, are described in the literature [1,2]. In the present paper the interaction of silver iodide with triphenylstibine in dimethyl sulfoxide has been studied; the characteristic structural features of the obtained Sb-, I-containing silver complex have been investigated. The mixture of 0.529 g (1.50 mmol) triphenylstibine, 0.117 g (0.5 mmol) silver iodide and 10 mL dimethyl sulfoxide was stirred for 1 h at room temperature, the volume was reduced to 0.5 mL, the mixture was cooled. All calculations for structure determination and refinement were performed using the SHELXL/PC programs [4,5]. The structure 1 was determined by the direct method and refined by the least-squares method in the anisotropic approximation for non-hydrogen atoms. The main crystallographic data and refinement results for structure 1 are listed, the geometric characteristics of the antimony atom coordination tetrahedron are given in. Crystallographic data and the experimental and structure refinement parameters for compound 1
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