羧酸衍生物[C5H4N(p-CO2)]2[Bu2Sn]4(μ 3 -O)2(μ 2 -OH)2, [Ph2CHCO2]4[Bu2Sn]4(μ 3 -O)2, [(p-NH2)-C6H4-CO2]2[Bu2Sn]4(μ 3 -O)2(μ 2 -OH)2]的合成及结构表征

IF 1.8 3区 化学 Q2 Materials Science
Tidiane Diop,Mouhamadou Birame Diop,Cheikh Abdoul Khadir Diop,Aminata Diasse-Sarr,Mamadou Sidibe,Florina Dumitru,Arie van der Lee
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引用次数: 2

摘要

摘要合成了[C5H4N(p-CO2)]2[Bu2Sn]4(μ 3-O)2(μ 2-OH)2(1)、[Ph2CHCO2]4[Bu2Sn]4(μ 3-O)2(2)和[(p-NH2)-C6H4-CO2]2[Bu2Sn]4(μ 3-O)2(μ 2-OH)2(3)三种阶梯状有机单体,并利用元素分析、傅里叶变换红外光谱、核磁共振(1H, 13C)实验,以及1和2的单晶x射线衍射分析。x射线衍射表明,配合物采用四核锡(iv)阶梯状结构,含有两个(1)或四个(2)去质子配体。它们的分子结构的本质区别是,在2中有四个羧酸配体,而在1和3中有两个。1的晶体结构显示它们是一个包含三阶阶梯Sn4O4核心的四核结构。Sn4O4簇由4个Sn2O2单元组成。对于2,该结构是具有中心四元环的氧化二tin单元的四核中心对称二聚体。在这个复合体中,中心Sn2O2核心与两个四元环和两个六元环融合在一起。在结构中,锡离子以畸变三角双棱锥几何或八面体几何排列。这些配合物中的一系列O - h⋯N、C-H⋯O和C-H⋯π分子间氢键在超分子中起重要作用,或由这些相互作用形成二维网络结构。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Synthesis and structural characterization of new ladder-like organostannoxanes derived from carboxylic acid derivatives: [C5H4N(p-CO2)]2[Bu2Sn]4(μ 3 -O)2(μ 2 -OH)2, [Ph2CHCO2]4[Bu2Sn]4(μ 3 -O)2, and [(p-NH2)-C6H4-CO2]2[Bu2Sn]4(μ 3 -O)2(μ 2 -OH)2
Abstract Three types of ladder-like organostannoxanes, [C5H4N(p-CO2)]2[Bu2Sn]4(μ 3-O)2(μ 2-OH)2 (1), [Ph2CHCO2]4[Bu2Sn]4(μ 3-O)2 (2), and [(p-NH2)-C6H4-CO2]2[Bu2Sn]4(μ 3 -O)2(μ 2 -OH)2 (3), have been synthesized and characterized using elemental analyses, Fourier-transform infrared spectroscopy, nuclear magnetic resonance (1H, 13C) experiments, and, for 1 and 2, single-crystal X-ray diffraction analysis. X-Ray diffraction discloses that complexes adopt tetranuclear tin(iv) ladder-like structures containing two (1) or four (2) deprotonated ligands. The essential difference between their molecular structures is that in 2 there are four carboxylate ligands, while in 1 and 3 there are two. The crystal structure of 1 reveals them to be a tetranuclear structure containing a three-rung-staircase Sn4O4 core. The Sn4O4 cluster consists of a ladder of four Sn2O2 units. For 2, the structure is a tetranuclear centrosymmetric dimer of an oxoditin unit having a central four-member ring. In this complex, the central Sn2O2 core is fused with two four-member and two six-member rings. In the structures, there are two types of tin ions arranged in distorted trigonal bipyramid geometry or octahedron geometry. A series of O–H⋯N, C–H⋯O, and C–H⋯π intermolecular hydrogen bonds in these complexes play an important function in the supramolecular, or two-dimensional network structures are formed by these interactions.
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来源期刊
Main Group Metal Chemistry
Main Group Metal Chemistry 化学-无机化学与核化学
CiteScore
2.80
自引率
27.80%
发文量
21
审稿时长
4 weeks
期刊介绍: This journal is committed to the publication of short communications, original research, and review articles within the field of main group metal and semi-metal chemistry, Main Group Metal Chemistry is an open-access, peer-reviewed journal that publishes in ongoing way. Papers addressing the theoretical, spectroscopic, mechanistic and synthetic aspects of inorganic, coordination and organometallic main group metal and semi-metal compounds, including zinc, cadmium and mercury are welcome. The journal also publishes studies relating to environmental aspects of these metals, their toxicology, release pathways and fate. Articles on the applications of main group metal chemistry, including in the fields of polymer chemistry, agriculture, electronics and catalysis, are also accepted.
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