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Synthesis and Single Crystal Structure Description of Two New Polyoxometalate-Melamine Hybrids

机译:合成和单晶结构两种新型多聚氧酸酯 - 三聚氰胺杂种的描述

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摘要

Two new organic-inorganic hybrid compounds based on Keggin-type polyoxometalates and melaminium cations, namely (C3N6H7)(3)[PW12O40]center dot 6H(2)O (1) and (C3N6H7)(4)[SiW12O40]center dot 6H(2)O (2) have been synthesized at room temperature by a solvent diffusion method and characterized by IR spectroscopy, CHN analyses and single-crystal X-ray diffraction. Hybrid 1 consists of three melamonium cations per [PW12O40](3-) unit with the hydration water molecules connected to each other via hydrogen bonding forming a 1D zigzag chain. In compound 2, [SiW12O40](4-) polyanions and water molecules act as inorganic layers that are alternating with layers of monoprotonated organic melaminium cations.
机译:采用溶剂扩散法在室温下合成了两种基于Keggin型多金属氧酸盐和melaminium阳离子的新型有机-无机杂化化合物,即(C3N6H7)(3)[PW12O40]中心点6H(2)O(1)和(C3N6H7)(4)[SiW12O40]中心点6H(2)O(2),并通过红外光谱、CHN分析和单晶X射线衍射进行了表征。杂交1由每个[PW12O40](3-)单元的三个甲铵阳离子组成,水合水分子通过氢键相互连接,形成一维之字形链。在化合物2中,[SiW12O40](4-)聚阴离子和水分子充当无机层,与单质子有机胺阳离子层交替。

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