首页> 外文期刊>Zeitschrift fur Naturforschung, B. A Journal of Chemical Sciences >{[(PhCH_2Sn)_(12)(μ3-O)14(μ-OH)_6](F _3CSO_3)_2}: A new dodecanuclear organostannoxane
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{[(PhCH_2Sn)_(12)(μ3-O)14(μ-OH)_6](F _3CSO_3)_2}: A new dodecanuclear organostannoxane

机译:{[((PhCH_2Sn)_(12)(μ3-O)14(μ-OH)_6](F _3CSO_3)_2}:一种新的十二烷有机锡氧烷

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摘要

The new dodecanuclear organostannoxane {[(PhCH_2Sn) _(12)(μ3-O)14(μ-OH)_6](F_3CSO _3)_2} (2) has been isolated as single crystals from the reaction of trifluoromethanesulfonic acid (F_3CSO_3H) with the decanuclear dibenzyltin(IV)-oxo cluster, [(PhCH_2) _2SnO]_6{[(PhCH_2)_2SnOH] _2(CO_3)}_2 (1), in [D3]acetonitrile, at room temperature. Compound 2 was structurally characterized by X-ray diffraction analysis, multinuclear NMR and IR spectroscopy, mass spectrometry, and thermogravimetry. The structure of 2 can be described as a football cage framework containing twelve tin atoms, exhibiting two distinct coordination geometries, penta- and hexacoordinated respectively, and linked together through μ3-O and μ-OH ligands. Resulting from Sn-C bond cleavage, all tin atoms are only connected to one benzyl ligand. Furthermore, two of the three oxygen atoms of each trifluoromethanesulfonate counteranions are involved in hydrogen bonding interactions with bridging μ-OH groups of two distinct Sn _(12) cations leading to the propagation of a two-dimensional polymeric network.
机译:从三氟甲烷磺酸(F_3CSO_3H)反应中分离出新的十二烷有机锡氧烷[[((PhCH_2Sn)_(12)(μ3-O)14(μ-OH)_6](F_3CSO _3)_2}(2)作为单晶。在室温下,在[D3]乙腈中,用癸核二苄基锡(IV)-氧簇[[PhCH_2)_2SnO] _6 {[((PhCH_2)_2SnOH] _2(CO_3)} _ 2(1)修饰。通过X射线衍射分析,多核NMR和IR光谱,质谱和热重分析法对化合物2进行结构表征。 2的结构可以描述为包含十二个锡原子的足球笼骨架,展现出两个不同的配位几何形状,分别为五配位和六配位,并通过μ3-O和μ-OH配体连接在一起。由于Sn-C键断裂,所有锡原子仅与一个苄基配体连接。此外,每个三氟甲磺酸根抗衡阴离子的三个氧原子中的两个氧原子与两个不同Sn_(12)阳离子的桥接μ-OH基团发生氢键相互作用,从而导致二维聚合物网络的传播。

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