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首页> 外文期刊>Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy >Synthesis, structural, thermal and optical studies of 1-ethyl-2,6-dimethyl-4-hydroxy pyridinium halides
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Synthesis, structural, thermal and optical studies of 1-ethyl-2,6-dimethyl-4-hydroxy pyridinium halides

机译:1-乙基-2,6-二甲基-4-羟基吡啶鎓卤化物的合成,结构,热和光学研究

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摘要

1-Ethyl-2,6-dimethyl-4-hydroxy pyridinium chloride dihydrate and bromide dihydrate salts have been synthesized and their single crystals were grown by the slow evaporation of aqueous solution at 30 degrees C. The grown crystals were characterized by elemental analysis, FT-NMR and FT-IR techniques to confirm the formation of the expected compound. Optical transmittance window in aqueous solution was found to be 275-1100 nm by UV-vis-NIR technique. Thermogravimetric and differential thermal analyses reveal thermal stability and the presence of two water molecules in the crystal lattices. The crystal structure of chloride salt was also determined by X-ray diffraction method. (c) 2005 Elsevier B.V. All rights reserved.
机译:合成了1-乙基-2,6-二甲基-4-羟基吡啶鎓氯化物二水合物和溴化物二水合物盐,并通过在30°C下缓慢蒸发水溶液来生长它们的单晶。通过元素分析对生长的晶体进行表征, FT-NMR和FT-IR技术证实了预期化合物的形成。通过UV-vis-NIR技术发现水溶液中的透光率窗为275-1100nm。热重分析和差热分析揭示了热稳定性以及晶格中存在两个水分子。还通过X射线衍射法确定了氯化物盐的晶体结构。 (c)2005 Elsevier B.V.保留所有权利。

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