首页> 美国卫生研究院文献>Acta Crystallographica Section E: Crystallographic Communications >Distinct coordination geometries in bis­NN-bis­(2-meth­oxy­eth­yl)di­thio­carbamato-κ2SS′di­phenyltin(IV) and bis­N-(2-meth­oxy­eth­yl)-N-methyl­dithio­carbamato-κ2SS′di­phenyl­tin(IV): crystal structures and Hirshfeld surface analysis
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Distinct coordination geometries in bis­NN-bis­(2-meth­oxy­eth­yl)di­thio­carbamato-κ2SS′di­phenyltin(IV) and bis­N-(2-meth­oxy­eth­yl)-N-methyl­dithio­carbamato-κ2SS′di­phenyl­tin(IV): crystal structures and Hirshfeld surface analysis

机译:双NN-双(2-甲氧基乙基)基)二硫代氨基甲酸酯-κ2的不同配位几何SS二苯基锡(IV)和双­ N-(2-甲氧基­乙基)-N-甲基­二硫­氨基甲酸酯-κ2SS di­phenyl­tin(IV):晶体结构和Hirshfeld表面分析

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摘要

The crystal and mol­ecular structures of two di­phenyl­tin bis­(di­thio­carbamate)s, [Sn(C6H5)2(C5H10NOS2)2], (I), and [Sn(C6H5)2(C7H14NO2S2)2], (II), are described. In (I), in which the metal atom lies on a twofold rotation axis, the di­thio­carbamate ligand coordinates with approximately equal Sn—S bond lengths and the ipso-C atoms of the Sn-bound phenyl groups occupy cis-positions in the resulting octa­hedral C2S4 donor set. A quite distinct coordination geometry is noted in (II), arising as a result of quite disparate Sn—S bond lengths. Here, the four S-donors define a trapezoidal plane with the ipso-C atoms lying over the weaker of the Sn—S bonds so that the C2S4 donor set defines a skewed trapezoidal bipyramid. The packing of (I) features supra­molecular layers in the ab plane sustained by methyl­ene-C—H⋯π(Sn–ar­yl) inter­actions; these stack along the c-axis direction with no specific inter­actions between them. In (II), supra­molecular chains along the b-axis direction are formed by methyl­ene-C—O(ether) inter­actions; these pack with no directional inter­actions between them. A Hirshfeld surface analysis was conducted on both (I) and (II) and revealed the dominance of H⋯H inter­actions contributing to the respective surfaces, i.e. >60% in each case, and other features consistent with the description of the mol­ecular packing above.
机译:描述了两种二苯基二锡双(二硫代氨基甲酸酯)[Sn(C6H5)2(C5H10NOS2)2](I)和[Sn(C6H5)2(C7H14NO2S2)2](II)的晶体和分子结构。在(I)中,金属原子位于两倍旋转轴上,二硫代氨基甲酸酯配体的配位近似等于Sn-S键长,且Sn结合的苯基的ipso-C原子在所得八面体中占据顺式位置C2S 4 供体集。 (II)中指出了非常不同的配位几何形状,这是由于Sn-S键长不同而导致的。在此,四个S供体定义了一个梯形平面,其ipso-C原子位于Sn-S键的弱点上,因此C 2 S 4 供体组定义了一个倾斜的梯形双锥。 (I)的堆积在ab平面中由亚甲基-C-H⋯π(Sn-芳基)相互作用维持的超分子层;它们沿c轴方向堆叠,它们之间没有特定的相互作用。在(II)中,沿b轴方向的超分子链是由亚甲基-C-O(醚)相互作用形成的;这些包装之间没有方向性的相互作用。对(I)和(II)均进行了Hirshfeld表面分析,结果表明,H⋯H相互作用对各个表面的贡献占主导地位,即在每种情况下均> 60%,其他特征与上述分子堆积的描述一致。

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