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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >tert-Butyl thiol and pyridine ligand co-protected 50-nuclei clusters: the effect of pyridines on Ag-SR bonds
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tert-Butyl thiol and pyridine ligand co-protected 50-nuclei clusters: the effect of pyridines on Ag-SR bonds

机译:叔丁基硫醇和吡啶配体共同保护的50-核簇:吡啶对AG-SR键的作用

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摘要

Constructing silver(i)- thiolate clusters from simple building blocks usually involves elusive self-assembly processes and remains a long-standing challenge. In this work, we report 6 silver(1)-thiolate clusters protected by pyridines, namely, [Ag-3((BuS)-Bu-t)(2)(Py)(NO3)](n) (Py = pyridine) (1), [Ag-10((BuS)-Bu-t)(6)(Py)(6)(CF3CO2)(4)]center dot 3Py (2), [Ag-12((PrS)-Pr-i)(6)(Py)(8)(NO3)(6)]center dot 2H(2)O (3), Ag-12((PrS)-Pr-i)(6)(Py)(8)(CF3CO2)(6) (4) Ag-12((PrS)-Pr-i)(6)(4) Ag-12((i)Prs)(6)(4-ap)(6)(NO3)(6) (4-ao = 4-amino-Pyridine) (5), and [Ag50S13((BuS)-Bu-t)(20)(PY)(12)]center dot 4BF(4)center dot 4Py center dot 4CH(3)OH center dot 2H(2)O (6). Single-crystal X-ray crystallography analysis reveals that six clusters are constructed by four types of structural blocks, including the PyAg ((BuS)-Bu-t)(2) monomer, Py2Ag2((BuS)-Bu-t)(2) dimer, Py3Ag3((BuS)-Bu-t)(3) trimer and (4-ap)(6)Ag-6((PrS)-Pr-i)(6) hexamer. Notably, cluster 6 consists of a rhombic dodecahedron S@Ag-14 kernel with 12 interstitial S2- atoms encapsulated by 8 mu(4)-(BuS-)-Bu-t ligands, as well as six unique butterfly-like (Py)(2)Ag-6((BuS)-Bu-t)(2) staple motifs composed of a Py2Ag2((BuS)-Bu-t)(2) dimer and four silver ions. Moreover, it is found that pyridine ligands have important influence on the construction of silver thiolate clusters and their Ag-SR bond lengths.
机译:构建银(i) - 来自简单构建块的硫醇酸盐通常涉及难以捉摸的自组装过程,仍然是一个长期挑战。在这项工作中,我们向受吡啶保护的6个银(1)粒子簇,即[Ag-3((总线)-Bu-t)(2)(2)(py3)](n)(py =吡啶)(1),[Ag-10((总线)-Bu-T)(6)(py)(6)(CF 3 CO 2)(4)]中心点3py(2),[Ag-12((PRS) - Pr-1)(6)(py)(8)(NO 3)(6)]中心点2H(2)O(3),Ag-12((PRS)-PR-I)(6)(PY)(PY)( 8)(CF 3 CO 2)(6)(4)Ag-12((PRS)-PR-I)(6)(4)Ag-12((I)PRS)(6)(4-AP)(6)( NO 3)(6)(4-AO = 4-氨基 - 吡啶)(5)和[AG50S13((总线)-BU-T)(20)(PY)(12)]中心点4BF(4)中心点4点中心点4CH(3)OH中心点2H(2)O(6)。单晶X射线晶体学分析显示,六个簇由四种类型的结构块构成,包括脓((总线)-Bu-T)(2)单体,Py2Ag2((总线)-Bu-T)(2 )二聚体,Py3Ag3((总线)-Bu-T)(3)三聚物和(4-AP)(6)Ag-6((PRS)-PR-I)(6)六聚体。值得注意的是,群集6由菱形十二烷基甸S @ Ag-14内核组成,其中12个间质S2封装在8μm(4) - (总线 - ) - Bu-T配体,以及六种独特的蝴蝶(PY)中(2)AG-6((总线)-BU-T)(2)由Py2Ag2((总线)-Bu-T)(2)二聚体和四个银离子组成的钉基序。此外,发现吡啶配体对银硫醇酸盐簇的结构及其Ag-Sr键长度具有重要影响。

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    Huazhong Univ Sci &

    Technol HUST Sch Mat Sci &

    Engn State Key Lab Mat Proc &

    Die &

    Mould Technol Wuhan 430074 Peoples R China;

    Zhongyuan Univ Technol Ctr Adv Mat Res Henan Key Lab Funct Salt Mat Zhengzhou 450007 Peoples R China;

    Huazhong Univ Sci &

    Technol HUST Sch Mat Sci &

    Engn State Key Lab Mat Proc &

    Die &

    Mould Technol Wuhan 430074 Peoples R China;

    Huazhong Univ Sci &

    Technol HUST Sch Mat Sci &

    Engn State Key Lab Mat Proc &

    Die &

    Mould Technol Wuhan 430074 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;无机化学;
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