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Stereochemistry of lead(II) complexes containing sulfur and selenium donor atom ligands

机译:含硫和硒供体原子配体的铅(II)配合物的立体化学

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The stereochemistry of lead(II) complexes with S- and Se-donor atom ligands, including mixed lig-and complexes is reviewed with respect to the geometry of the first coordination sphere of the Pb(II) atom in these compounds and rationalized in terms of the valence shell electron-pair repulsion (VSEPR) model. The most comprehensively structurally characterized classes of lead(II) thio and seleno complexes are discussed, including monothio-, dithio(seleno)-, trithio- and tetrathio-complexes, as well as Pb(II) dialkyldithio(seleno)carbamates, alkylxanthates and dialkyl(aryl) phosphorodithio(seleno)lates. Data about the polyhedral shape of the primary coordination sphere, coordination number (CN), bond lengths (primary and secondary) and bond angles of the Pb(II) atom in the compounds under investigation are systematized in comprehensive tables. The particularities of the stereochemistry of Pb(II) complexes with S(Se)-donor atom ligands are comparatively discussed with the stereochemistry of lead(II) complexes with oxygen donor ligands.
机译:关于这些化合物中Pb(II)原子的第一个配位球的几何形状,对具有S-和Se-供体原子配体的铅(II)配合物(包括混合的lig-和配合物)的立体化学进行了综述,并就此进行了合理化价壳电子对排斥(VSEPR)模型的建立。讨论了最全面的结构特征类别的铅(II)硫和硒代络合物,包括单硫代,二硫代(硒代),三硫和四硫代配合物,以及Pb(II)二烷基二硫代(氨基甲酸酯)氨基甲酸酯,烷基黄原酸酯和二烷基(芳基)二硫代硫代(硒代)酸酯。在综合表中将有关主要化合物的多面体形状,配位数(CN),所研究化合物中Pb(II)原子的键长(主键和副键)和键角的数据进行了系统化。与铅(II)配合物与氧供体配体的立体化学比较讨论了Pb(II)配合物与S(Se)-供体原子配体的立体化学的特殊性。

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