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Preparation and Characterization of Group 13 Cyanides

机译:第13族氰化物的制备与表征

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摘要

Binary Group 13 cyanides [PPh_4][Ga(CN)_4], [PPh_4]_2[In(CN)_5], and [PPh_4]_2[Tl(CN)_5] were obtained in quantitative yields from the corresponding metal trifluorides MF_3 (M=Ga, In, Tl) by fluoride-cyanide exchange reactions with Me3SiCN in the presence of stoichiometric amounts of [PPh4]CN in acetonitrile solution. The 2,2'-bipyridine (bipy) adducts [(bipy)_2Ga(CN)_2][Ga(CN)_4], [(bipy)In(CN)3], and [(bipy) Tl(CN)3] were obtained from the reaction of MF_3 with Me3SiCN and bipy in acetonitrile. While the reaction of the metal trifluorides with Me3SiCN in acetonitrile resulted in recovery of the starting materials, the reaction of MF_3 with Me3SiCN in pyridine (py) solution resulted in the formation of the pyridine adducts [(py)_2Ga(CN)_3], [(py)3In(CN)3], and [(py)_2Tl(CN)_3]. The cyano compounds were characterized by their vibrational spectra and, in most cases, by their X-ray crystal structures.
机译:二进制组13氰化物[PPH_4] [Ga(CN)_4],[PPH_4] _2 [IN(CN)_5]和[PPH_4] _2 [TL(CN)_2 [TL(CN)_2 [TL(CN)_5]是从相应的金属三氟酯MF_3的定量产率获得的 (m = Ga,In,T1)通过氟化物 - 氰化物交换反应与ME3SICN在乙腈溶液中的化学计量的量[PPH4] CN存在下。 2,2'-硼吡啶(Bipy)加合加合[(Bipy)_2Ga(CN)_2] [Ga(CN)_4] [(CN)3],[(Bipy)3]和[(Bipy)T1(CN)3 从MF_3与ME3SICN和Bipy中的反应获得,得到乙腈。 虽然金属三氟乙烷与ME3SICN的反应在乙腈中导致起始材料回收,但MF_3用ME3SICN在吡啶(PY)溶液中的反应导致形成吡啶加合物[(PY)_2Ga(CN)_3], [(py)3,(CN)3]和[(py)_2tl(cn)_3]。 氰基化合物的特征在于它们的振动光谱,并且在大多数情况下,通过其X射线晶体结构。

著录项

  • 来源
    《Chemistry: A European journal》 |2017年第38期|共13页
  • 作者单位

    Loker Hydrocarbon Research Institute and Department of Chemistry University of Southern California Los Angeles CA 90089 (USA);

    Loker Hydrocarbon Research Institute and Department of Chemistry University of Southern California Los Angeles CA 90089 (USA);

    Department of Chemistry The University of Alabama Tuscaloosa AL 35487 (USA);

    Department of Chemistry The University of Alabama Tuscaloosa AL 35487 (USA);

    Department of Chemistry The University of Alabama Tuscaloosa AL 35487 (USA);

    Loker Hydrocarbon Research Institute and Department of Chemistry University of Southern California Los Angeles CA 90089 (USA);

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用化学;
  • 关键词

    cyanides; density functional calculations; gallium; indium; thallium;

    机译:氰化物;密度函数计算;镓;铟;铊;

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