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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Synthesis and characterisation of 5, 5′-bistetrazolate salts with alkali metal, ammonium and imidazolium cations
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Synthesis and characterisation of 5, 5′-bistetrazolate salts with alkali metal, ammonium and imidazolium cations

机译:具有碱金属,铵和咪唑鎓阳离子的5、5'-双四唑酸盐的合成与表征

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摘要

We report on the synthesis and characterisation of the alkali metal 5, 5'-bistetrazolate (BT~(2-)) salts Li_2BT (1), Na_2BT (2), K_2BT (3), Rb_2BT (4) and Cs_2BT (5) as well as the mono ammonium (9) and the mono (10) and bis(1-ethyl-3-methylimidazolium) (11) salts of 5, 5'-bistetrazole. The crystal structures of the hydrates of the alkali metal salts (1h-4h) and hydrate free (9) to (11) are presented. Additionally we present structures of the monocaesium 5, 5'-bistetrazolate (6) and alternative modifications of the known salts barium (7h) and diammonium (8) 5, 5'-bistetrazolate. Among the presented compounds are the first reversibly melting 5, 5'-bistetrazolate salts (10, 11) and also the first ionic liquid on the basis of 5, 5'-bistetrazole (11). All substances were investigated by NMR and IR spectroscopy, elemental analysis and combined TGA/DSC measurements. Corresponding to our main motive, the evaluation of the coordination behaviour of 5, 5'-bistetrazole, we give a short summary of the metal 5, 5'-bistetrazole salts structurally characterised so far.
机译:我们报告了碱金属5、5'-双四唑酸盐(BT〜(2-))盐Li_2BT(1),Na_2BT(2),K_2BT(3),Rb_2BT(4)和Cs_2BT(5)的合成和表征以及5、5'-双四唑的单铵盐(9)和单(10)盐和双(1-乙基-3-甲基咪唑鎓)(11)盐。给出了碱金属盐(1h-4h)和无水合物(9)至(11)的水合物的晶体结构。此外,我们介绍了5号5'-双四唑酸单铯盐的结构以及已知盐钡(7h)和5号5'-双四唑酸二铵(8)的替代修饰形式。在提出的化合物中,有第一种可逆地熔融的5,5'-双四唑酸盐(10,11),还有基于5,5'-双四唑的第一种离子液体(11)。所有物质均通过NMR和IR光谱,元素分析和TGA / DSC组合测量进行了研究。对应于我们对5、5'-双四唑的配位行为进行评估的主要动机,我们给出了到目前为止在结构上表征的金属5、5'-双四唑盐的简短摘要。

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