Na[GeF₅]·2HF: the first quarternary phase in the H-Na-Ge-F system.

IF 0.7 4区化学 Q4 CHEMISTRY, MULTIDISCIPLINARY

Acta Crystallographica Section C Structural Chemistry Pub Date : 2024-08-01 Epub Date: 2024-07-10 DOI:10.1107/S2053229624006338

Valentin Bockmair, Constantin Hoch, Irina Schusterbauer, Andreas J Kornath

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引用次数: 0

Abstract

The structure of cis- or trans-bridged [GeF₅]^- anionic chains have been investigated [Mallouk et al. (1984). Inorg. Chem. 23, 3160-3166] showing the first crystal structures of μ-F-bridged pentafluorogermanates. Herein, we report the second crystal structure of trans-pentafluorogermanate anions present in the crystal structure of sodium trans-pentafluorogermanate(IV) bis(hydrogen fluoride), Na[GeF₅]·2HF. The crystal structure [orthorhombic Pca2₁, a = 12.3786 (3), b = 7.2189 (2), c = 11.4969 (3) Å and Z = 8] is built up from infinite chains of trans-linked [GeF₆]^2- octahedra, extending along the b axis and spanning a network of pentagonal bipyramidal distorted Na-centred polyhedra. These [NaF₇] polyhedra are linked in a trans-edge fashion via hydrogen fluoride molecules, in analogy to already known sodium hydrogen fluorides and potassium hydrogen fluorides.

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Na[GeF5]-2HF：H-Na-Ge-F 系统中的第一个四元相。

对顺式或反式桥接[GeF5]-阴离子链的结构进行了研究[Mallouk 等人 (1984). Inorg. Chem. 23, 3160-3166]，首次展示了 μ-F 桥接五氟锗酸盐的晶体结构。在此，我们报告了反式五氟锗酸钠（IV）双（氟化氢），Na[GeF5]-2HF 晶体结构中存在的反式五氟锗酸阴离子的第二个晶体结构。该晶体结构[正交 Pca21，a = 12.3786 (3)，b = 7.2189 (2)，c = 11.4969 (3)埃，Z = 8]是由反式链接的[GeF6]2-八面体无限链构建而成，沿 b 轴延伸并横跨五边形双锥扭曲 Na 中心多面体网络。这些[NaF7]多面体通过氟化氢分子以反边方式连接起来，这与已知的氟化氢钠和氟化氢钾类似。

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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.