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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Potassiumpolysulfides: [K(THF)](2)S-6 and [K-2(THF)]S-9
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Potassiumpolysulfides: [K(THF)](2)S-6 and [K-2(THF)]S-9

机译:多硫化钾:[K(THF)](2)S-6和[K-2(THF)] S-9

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摘要

The polysulfide [K-2(THF)]S-9 is accessible from reaction of S-8 with [KSPPh2(BH3)]. Degradation reaction of S-8 with [KPPh2(BH3)] results in [K(THF)](2)S-6. X-ray quality crystals of [K(THF)](2)S-6 (orthorhombic, Pbca) and of [K-2(THF)]S-9 (orthorhombic, Pbcm) are obtained each from THF/ diethyl ether solution at ambient temperature. According to the result of the X-ray structural analysis, [K(THF)](2)S-6 and [K-2(THF)]S-9 contain a S-6- and S-9-zigzag chain. The conformation of both polysulfide anions is all-transoid.
机译:多硫化物[K-2(THF)] S-9可通过S-8与[KSPPh2(BH3)]的反应获得。 S-8与[KPPh2(BH3)]的降解反应产生[K(THF)](2)S-6。 [K(THF)](2)S-6(斜方晶,Pbca)和[K-2(THF)] S-9(斜方晶,Pbcm)的X射线质量晶体分别从THF /乙醚溶液中获得在环境温度下。根据X射线结构分析的结果,[K(THF)](2)S-6和[K-2(THF)] S-9含有S-6-和S-9-之字形链。两种多硫化物阴离子的构象都是全反式的。

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