Cs2MO5O16 and Cs2Mo7O22: Crystallization, Structural and Thermal Properties

IF 1.2 4区化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Journal of Structural Chemistry Pub Date : 2025-05-07 DOI:10.1134/S0022476625040079

V. D. Grigorieva, A. F. Bondareva, M. A. Artemyeva, E. D. Bazanova, A. P. Yelisseyev, A. A. Ryadun, A. B. Kuznetsov

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引用次数: 0

Abstract

Needle-like Cs₂Mo₇O₂₂ (7×1×1 mm) and plated Cs₂Mo₅O₁₆ (4×3×2 mm) crystals were obtained by spontaneous crystallization method from Cs₂Mo₅O₁₆ + 2%Cs₂O and Cs₂Mo₇O₂₂ + 2%Cs₂O melts. Peritectic nature of Cs₂Mo₅O₁₆ and Cs₂Mo₇O₂₂ compounds was confirmed by differential scanning calorimetry and thermogravimetric analysis. Cs₂Mo₅O₁₆ and Cs₂Mo₇O₂₂ crystal structures were constructed based on X-ray diffraction data. Unit cell parameters of Cs₂Mo₅O₁₆ and Cs₂Mo₇O₂₂ crystal samples were measured in 0-450 °C temperature range and thermal expansion vectors were calculated. Photoluminescence was registered on both Cs₂Mo₅O₁₆ and Cs₂Mo₇O₂₂ samples at 80 K.

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Cs2MO5O16和Cs2Mo7O22：结晶、结构和热性能

采用自发结晶法从Cs2Mo5O16 + 2%Cs2O和Cs2Mo7O22 + 2%Cs2O熔体中获得针状Cs2Mo7O22 （7×1×1 mm）和镀Cs2Mo5O16 （4×3×2 mm）晶体。用差示扫描量热法和热重分析证实了Cs2Mo5O16和Cs2Mo7O22化合物的包晶性质。基于x射线衍射数据构建了Cs2Mo5O16和Cs2Mo7O22的晶体结构。测量了Cs2Mo5O16和Cs2Mo7O22晶体样品在0 ~ 450℃温度范围内的晶胞参数，并计算了热膨胀矢量。在80 K下，Cs2Mo5O16和Cs2Mo7O22样品均有光致发光。

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来源期刊

Journal of Structural Chemistry 化学-无机化学与核化学

CiteScore

1.60

自引率

12.50%

发文量

142

审稿时长

8.3 months

期刊介绍： Journal is an interdisciplinary publication covering all aspects of structural chemistry, including the theory of molecular structure and chemical bond; the use of physical methods to study the electronic and spatial structure of chemical species; structural features of liquids, solutions, surfaces, supramolecular systems, nano- and solid materials; and the crystal structure of solids.