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Towards Polysulfuric Acids: The Hydrogentrisulfate Anion [HS3O10](-) in A[HS3O10] (A=Na, K, Rb)

机译:迈向多硫酸:A [HS3O10]中的水合硫酸氢根阴离子[HS3O10](-)(A = Na,K,Rb)

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摘要

The reaction of Na2SO4 and K2SO4 with fuming sulfuric acid (65% SO3) yielded colorless extremely sensitive crystals of Na[HS3O10] (monoclinic; P2(1) (No. 14); Z=4; a= 707.36(2), b= 1378.56(4), c= 848.10(3) pm; beta= 94.817(1)degrees; V= 824.09(4) . 10(6) pm(3)) and K[HS3O10] (orthorhombic; Pccn (No. 56); Z= 4; a= 1057.16(3), b= 807.81(2), c= 897.57(2) pm; V= 766.51(3) . 10(6) pm(3)). The analogous rubidium compound Rb[HS3O10] (orthorhombic; Pnma (No. 62); Z= 4; a= 891.43(3), b= 1095.34(4), c= 839.37(3) pm; V= 819.58(5) . 10(6) pm(3)) originates from the reaction of Rb2CO3 and SO3. All of the different structures contain the hitherto unknown anion [HS3O10](-) and are stamped by strong hydrogen bonds linking the anions either to dimers or chains. Theoretical investigations by DFT methods give further insight in the structural characteristics of [HS3O10](-). The preparation of the [HS3O10](-) anion can be seen as an important milestone on our way to the still elusive polysulfuric acids.
机译:Na2SO4和K2SO4与发烟硫酸(65%SO3)的反应生成Na [HS3O10]无色极其敏感的晶体(单斜晶; P2(1)/ n(No. 14); Z = 4; a = 707.36(2) ,b = 1378.56(4),c = 848.10(3)pm; beta = 94.817(1)degrees; V = 824.09(4)。10(6)pm(3))和K [HS3O10](斜方晶; Pccn( No.56); Z = 4; a = 1057.16(3),b = 807.81(2),c = 897.57(2)pm; V = 766.51(3)。10(6)pm(3))。 rub化合物Rb [HS3O10](斜方晶系; Pnma(No. 62); Z = 4; a = 891.43(3),b = 1095.34(4),c = 839.37(3)pm; V = 819.58(5) 10(6)pm(3))源自Rb2CO3与SO3的反应。所有不同的结构均包含迄今未知的阴离子[HS3O10](-),并由将阴离子连接至二聚体或链的强氢键压印。通过DFT方法进行的理论研究进一步了解了[HS3O10](-)的结构特征。 [HS3O10](-)阴离子的制备可以看作是我们通往仍难以捉摸的多硫酸的重要里程碑。

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