氙气
化学
钙钛矿(结构)
价(化学)
爆炸物
氧化物
超分子化学
化学物理
结晶学
纳米技术
晶体结构
材料科学
有机化学
作者
Sergey N. Britvin,S. A. Kashtanov,Sergey V. Krivovichev,Н. В. Чуканов
摘要
The tendency of high-valence xenon to form consolidated oxide structures is herein supported by the study of K4Xe3O12, the first example of a layered xenon perovskite. Xenon seems to be the only nontransition element that can adopt single-cation oxide perovskite frameworks. At the same time, peculiarities of electronic structure of xenon impose specific features on the bonding within a perovskite structure. Weak supramolecular interactions known as aerogen bonds are the linkers that maintain structural integrity of perovskite slabs in K4Xe3O12. The occurrence of aerogen bonding can provide an insight into the explosive properties of K4Xe3O12: the weakness of supramolecular interactions allows consideration of them as possible trigger bonds responsible for the detonation sensitivity of layered xenon perovskite.
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