M2[Sn(i-mnt)3](M = K, Na)新型18冠6配合物的合成及晶体结构

Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry Pub Date : 2016-04-02 DOI:10.1080/15533174.2014.988803

Ling-qian Kong, Jianzhong Xu, Shengli Li, Da-cheng Li, J. Dou

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引用次数: 0

摘要

制备了两个新的冠状配合物{[K(18-C-6)]2[Sn(i-mnt)3]}n·nC4H10O(1)和[Na(18-C-6)H2O]2[Sn(i-mnt)3]·2H2O·0.5 5c2h4cl2 (2) (i-nmt = 1,1-二氰乙烯-2,2-二硫代酸酯)，并用元素分析、红外光谱和x射线衍射对其进行了表征。在配合物1和配合物2中，锡原子的配位球是轻微扭曲的三角双棱锥。配合物1中的K(18-C-6)阳离子通过桥接C2S2(CN)22−阴离子的N原子与Sn离子连接，从而形成二维网络。对于配合物2，由于H2O分子与Na+的配位阻止了分子结构的进一步延伸，因此它只是一个离散的三核SnNa2配合物。

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Synthesis and Crystal Structures of New 18-Crown-6 Complexes With M2[Sn(i-mnt)3](M = K, Na)

Two new crown complexes, {[K(18-C-6)]2[Sn(i-mnt)3]}n·nC4H10O (1) and [Na(18-C-6)H2O]2[Sn(i-mnt)3]·2H2O·0.5C2H4Cl2 (2), have been prepared (i-nmt = 1,1-dicyanoethene-2,2-dithiolate), and characterized by elemental analysis, IR spectra and X-ray diffraction. In complexes 1 and 2, the coordination sphere for the Sn atom is slightly distorted trigonal bipyramid. The K(18-C-6) cations in complex 1 are linked to the Sn ion through the N atoms of the bridging C2S2(CN)22− anions, therefore forming two-dimensional network. For complex 2, because the coordinated H2O molecule to the Na+ prevents the further molecular structural extension, it is only a discrete trinuclear SnNa2 complex.

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Synthesis and Reactivity in Inorganic, Metal-Organic, and Nano-Metal Chemistry 工程技术-纳米科技

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5 months