双核有机锡配合物CH2(SnPhBr2)2 2DMSO的合成及晶体结构

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通过双 (苯基二溴化锡基 )甲烷CH2 (SnPhBr2 ) 2 与DMSO的配位反应或者双 (苯基二溴化锡基 )甲烷的双 (三唑 )甲烷配合物CH2 (SnPhBr2 ) 2 ·CH2 Tz2 与DMSO的配体取代反应 ,可以制得标题化合物。用X 射线衍射测定了该化合物的晶体结构。结果表明 ,该晶体属于单斜晶系 ,C2 /c空间群。分子式为C1 3H1 2 Br4Sn2 ·2 (C2 H6SO) ,Mr=881 .52 ,a =1 0 .0 4 0 (2 ) ,b =1 5.345(3) ,c =1 7.992 (4) ,β =1 0 5.99(3)°,V =2 665(1 ) 3,Z =4,Dc=2 .1 92Mg·m- 3,μ =7.9674mm- 1 ,1 31 4个可观测衍射点 (I≥ 3σ(I) ) ,最终结构偏离因子R =0 .0 4 2 ,Rw =0 .0 4 6。分子中 2个锡原子均为六配位的变形八面体构型 ,通过DMSO中的氧原子桥联 2个锡原子。 The complex of CH2 (SnPhBr2) 2 with DMSO or the bis (triazole) methane complex of bis (phenylbutyldibutyl) methane CH2 (SnPhBr2) 2 CH2 Tz2 and DMSO ligand substitution reaction, the title compound can be obtained. The crystal structure of the compound was determined by X-ray diffraction. The results show that the crystal belongs to monoclinic system, C2 / c space group. The molecular formula is C1 3H1 2 Br4Sn2 · 2 (C2 H6SO), Mr = 881.52, a = 1.04 0 (2), b = 1 5.345 (3), c = 1 7.992 (4), β = 1 1 31 4 observable diffraction points (I ≧ 3σ), V = 2 665 (1) 3, Z = 4, Dc = 2.1192 Mg · m -3, μ = 7.9674 mm -1, (I)), the final structure deviation factor R = 0 .042, Rw = 0 .046. Two tin atoms in the molecule are hexacoordinated deformed octahedral configurations, and two tin atoms are bridged by oxygen atoms in DMSO.
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