[Co(Gly)2(DABT)] 2H2O配合物的红外光谱及热稳定性的研究

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研究了标题配合物的红外光谱和热稳定性。红外光谱分析结果表明,配位的2,2′-二氨基-4,4′-联噻唑的噻唑环和氨基上的两个氮的异构化交换引起的骨架振动由1342cm-1红移至1298cm-1。热分析结果表明,配合物在135℃附近先失去两个结晶水,在314℃附近甘氨酸羧基中C—O(配位)键断裂,配合物失去两个甘氨酸阴离子部分,配合物的剩余部分则在320℃以后继续以缓慢的速率进行放热分解。 The infrared spectra and thermal stability of the title complex were studied. The results of FTIR showed that the vibration of the framework caused by the isomerization exchange between the thiazole ring of the coordinating 2,2’-diamino-4,4’-bithiazole and the two nitrogens on the amino group was red-shifted from 1342cm-1 to 1298cm-1. The results of thermal analysis showed that the complex lost two crystal water near 135 ℃ and the C-O (coordination) bond was broken at the carboxyl group of glycine near 314 ℃. The remaining part of the complex lost two glycine anion After 320 ℃ continue to carry out exothermic decomposition at a slow rate.
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