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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure of bis­(η5-cyclo­penta­dien­yl)(1,4-di-tert-butyl­buta-1-en-3-yn-1-yl)zirconium(IV) μ2-hydroxido-bis­[tris(penta­fluoro­phen­yl)borate]
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Crystal structure of bis­(η5-cyclo­penta­dien­yl)(1,4-di-tert-butyl­buta-1-en-3-yn-1-yl)zirconium(IV) μ2-hydroxido-bis­[tris(penta­fluoro­phen­yl)borate]

机译:双(η5-环戊二烯基)(1,4-二叔丁基丁a-1-en-3-yn-1-基)锆(IV)μ2-羟基-双[三(五氟苯基)硼酸酯]的晶体结构

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摘要

Alkyl zirconocene cations have been of considerable inter­est as reactive species in many polymerization processes. In the crystal structure of the title compound, [Zr(C12H19)(C5H5)2](C36HB2F30O), the [Zr(C5H5)2((t-Bu)C=C(H)—C2(t-Bu))]+ cation displays a buta-1-en-3-yne ligand side-on coordinated to a typical bent zirconocene [centroid(cp)—Zr—centroid(cp) = 131.4 (3)°, Zr—C(buta-1-en-3-yne) = 2.255 (3), 2.597 (3) and 2.452 (2) Å]. In the [HO(B(C6F5)3)2]− anion, intra­molecular O—H⋯F hydrogen bonds are observed. One tert-butyl group in the complex cation is disordered over two sets of sites with occupancies 0.701(4):0.299(4).
机译:烷基锆茂阳离子作为许多聚合方法中的反应性物种已引起广泛关注。在标题化合物[Zr(C12H19)(C5H5)2](C36HB2F30O)的晶体结构中,[Zr(C5H5)2((t-Bu)C = C(H)-C2(t-Bu)) ] +阳离子侧向排列一个Buta-1-en-3-yne配体,与典型的弯曲锆茂[配质(cp)-Zr-质心(cp)= 131.4(3)°,Zr-C(buta-1) -en-3-yne)= 2.255(3),2.597(3)和2.452(2)]。在[HO(B(C6F5)3)2]-阴离子中,观察到分子内OH-F氢键。络合阳离子中的一个叔丁基基团在两组位置上无序排列,占用率为0.701(4):0.299(4)。

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