Triclinic form of bis{di-μ-hydroxidobis[fac-aquatribromidotin(IV)]} heptahydrate
نویسندگان
چکیده
The asymmetric unit of the title hydrate, 2[Sn(H(2)O)(2)(OH)(2)Br(6)]·7H(2)O, comprises two [Br(3)(H(2)O)Sn(μ-OH)(2)SnBr(3)(OH(2))] units, but three independent mol-ecules as two of these are disposed about inversion centres, and seven water mol-ecules. In common with the monoclinic polymorph [Howie et al. (2005 ▶). Inorg. Chim. Acta, 358, 3283-3286], each of the dinuclear species features a central Sn(2)O(2) core, distorted octa-hedral Sn atom geometries defined by a Br(3)O(3) donor set, and an anti-disposition of the coordinated water mol-ecules. In the crystal, O(h)-H⋯O(w), O(a)-H⋯O(w), O(w)-H⋯O(w), and O(w)-H⋯Br (h = hydroxyl, a = aqua, w = water) hydrogen-bonding inter-actions generate a three-dimensional network.
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عنوان ژورنال:
دوره 66 شماره
صفحات -
تاریخ انتشار 2010