High-pressure/high-temperature synthesis of the first walstromite-analogue borate Tm2CrB3O9

Zeitschrift für Kristallographie - Crystalline Materials Pub Date : 2023-12-27 DOI:10.1515/zkri-2023-0046

Tobias A. Teichtmeister, Stefan Schwarzmüller, Klaus Wurst, Gunter Heymann, Hubert Huppertz

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Abstract

Tm2CrB3O9 was obtained by high-pressure/high-temperature syntheses at 7.5 GPa and 850 °C. The compound crystallizes homeotypically to walstromite in the triclinic space group P 1 ¯

$P\bar{1}$

(no. 2) with the unit cell parameters a = 5.9118(4) Å, b = 5.9148(4) Å, c = 8.3575(6) Å, α = 83.64(1)°, β = 71.19(1)°, and γ = 79.93(1)°, and two formula units per cell. Single-crystal and powder diffraction data are accompanied by an infrared spectroscopic investigation and the structural features of this new compound are discussed in detail.

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高压/高温合成第一种钨硼酸盐 Tm2CrB3O9

Tm2CrB3O9 是在 7.5 GPa 和 850 °C 下通过高压/高温合成获得的。该化合物在三linic 空间群 P 1 ¯ $P\bar{1}$ （no. 2）中同型结晶为华长晶，单胞参数为 a = 5.9118(4) Å、b = 5.9148(4) Å、c = 8.3575(6) Å、α = 83.64(1)°、β = 71.19(1)° 和 γ = 79.93(1)°，每个晶胞有两个公式单位。在提供单晶和粉末衍射数据的同时，还进行了红外光谱分析，并详细讨论了这种新化合物的结构特征。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Zeitschrift für Kristallographie - Crystalline Materials

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