NaAl(SO4)F2：单层二维钙钛矿。

IF 0.7 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Acta Crystallographica Section C Structural Chemistry Pub Date : 2025-06-01 Epub Date: 2025-05-27 DOI:10.1107/S2053229625004280

Armel Le Bail, Lorentz Petter Lossius, Jone Finnestad

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引用次数: 0

摘要

用实验室粉末衍射数据测定了二氟硫酸铝钠（NaAl(SO4)F2）的晶体结构。它的特性可以改善从冰晶石开始的铝工业生产的监测。其特征是[AlF4O2]八面体的氟角与SO4基团共享形成钙钛矿单层，层间含量为钠。这可能是二维钙钛矿材料AMn(SO4)F3n-1 (a + = Na, Li；M3+ = Al, Fe， V, Cr)，这还有待证实。

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NaAl(SO₄)F₂: a single-layer two-dimensional perovskite.

The crystal structure of the sodium aluminium difluorosulfate NaAl(SO₄)F₂ has been determined from laboratory powder diffraction data. Its characterization allows for improving the monitoring of aluminium industrial production starting from cryolite. It is characterized by a perovskite single layer formed by the fluorine corner-sharing of [AlF₄O₂] octahedra with SO₄ groups, and sodium as the interlayer content. This could be the n = 1 member of a possible new family of 2D perovskite materials AM_n(SO₄)F_3n-1 (A⁺ = Na, Li; M³⁺ = Al, Fe, V, Cr), which remains to be confirmed.

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来源期刊

Acta Crystallographica Section C Structural Chemistry CHEMISTRY, MULTIDISCIPLINARYCRYSTALLOGRAPH-CRYSTALLOGRAPHY

CiteScore

1.60

自引率

12.50%

发文量

148

期刊介绍： Acta Crystallographica Section C: Structural Chemistry is continuing its transition to a journal that publishes exciting science with structural content, in particular, important results relating to the chemical sciences. Section C is the journal of choice for the rapid publication of articles that highlight interesting research facilitated by the determination, calculation or analysis of structures of any type, other than macromolecular structures. Articles that emphasize the science and the outcomes that were enabled by the study are particularly welcomed. Authors are encouraged to include mainstream science in their papers, thereby producing manuscripts that are substantial scientific well-rounded contributions that appeal to a broad community of readers and increase the profile of the authors.