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首页> 外文期刊>Chemistry: A European journal >A Strategy for the Preparation of Thioantimonates Based on the Concept of Weak Acids and Corresponding Strong Bases
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A Strategy for the Preparation of Thioantimonates Based on the Concept of Weak Acids and Corresponding Strong Bases

机译：基于弱酸和相应强碱概念的硫代锑酸盐的制备策略

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摘要

By following a new synthetic approach, which is based on the in situ formation of a basic medium by the reaction between the strong base Sb(V)S-4(3-) and the weak acid H2O, it was possible to prepare three layered thioantimonate(III) compounds of composition [TM(2,2'-bipyridine) (3)][Sb6S10] (TM=Ni, Fe) and [Ni(4,4'-dimethyl-2,2'-bipyridine) 3][Sb6S10] under hydrothermal conditions featuring two different thioantimonate(III) network topologies. The an timony source, Na3SbS4 center dot 9H(2)O, undergoes several decomposition reactions and produces the (SbS3)-S-III species, which condenses to generate the layered anion. The application of transition-metal complexes avoids crystallization of dense phases. The reactions are very fast compared to conventional hydrothermal/solvothermal syntheses and are much less sensitive to changes of the reaction parameters.
机译：通过遵循一种新的合成方法，该方法基于强碱Sb（V）S-4（3-）与弱酸H2O之间的反应原位形成碱性介质，因此可以制备三层组成[TM（2,2'-联吡啶）（3）] [Sb6S10]（TM = Ni，Fe）和[Ni（4,4'-二甲基-2,2'-联吡啶）3的硫代锑酸盐（III）化合物3 ] [Sb6S10]在水热条件下具有两种不同的硫代锑酸盐（III）网络拓扑。音调来源Na3SbS4中心点9H（2）O经历数次分解反应，并生成（SbS3）-S-III物种，该物种凝结生成层状阴离子。过渡金属络合物的应用避免了密相的结晶。与常规的水热/溶剂热合成相比，反应非常快，并且对反应参数的变化不那么敏感。

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