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甲酸锶

甲酸锶

FormiatanionStrontiumion

识别
CAS号 592-89-2(无水)
6160-34-5(二水)
PubChem 68967
SMILES
 
  • [Sr+2].[O-]C=O.[O-]C=O
EC编号 209-776-7
性质
化学式 C2H2O4Sr
摩尔质量 177.65 g·mol−1
外观 固体
密度 2.695 g·cm−3(无水)[1]
2.25 g·cm−3(二水)[2]
溶解性 70.2 g·l−1 当0 °C(二水)[2]
163.1 g·l−1 当51,4 °C(二水)[2]
溶解性 不溶于乙醇乙醚[3]
相关物质
其他阴离子 碳酸锶
乙酸锶
其他阳离子 甲酸铍
甲酸镁
甲酸钙
甲酸钡
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

甲酸锶甲酸盐化学式 Sr(HCOO)2

制备

甲酸锶可以由碳酸锶[4]氢氧化锶 和甲酸反应而成。[2]

性质

甲酸锶的二水合物是正交晶系的,空间群 P212121 (No. 19),晶格参数 a = 730 pm、b = 1199 pm 和c = 713 pm。[1]

二水合物在 50 至150 °C 时放出结晶水[4]甲酸锶无水合物的晶体结构和空间群和二水合物一样。[5]它的晶格参数为 a = 687 pm、b = 874 pm 和c = 727 pm。[1]

甲酸锶加热分解成氧化锶[4]

参考资料

  1. ^ 1.0 1.1 1.2 Jean D'Ans, Ellen Lax: Taschenbuch für Chemiker und Physiker. 3. Elemente, anorganische Verbindungen und Materialien, Minerale, Band 3. 4. Auflage, Springer, 1997, ISBN 978-3-5406-0035-0, S. 744f. (《甲酸锶》在Google Books的内容。).
  2. ^ 2.0 2.1 2.2 2.3 R. Abegg, F. Auerbach: Handbuch der anorganischen Chemie, Verlag S. Hirzel, Bd. 2, 1908. S. 231; Volltext
  3. ^ H. Stanley: The Solubility of Some Salts of the Lower Fatty Acids. In: The Chemical News 1904, 89, S. 193. Volltext
  4. ^ 4.0 4.1 4.2 A. Gonzalez, J. Jimenez, F. Rull: "On the kinetics of thermal decomposition of anhydrous strontium formate in vacuum" in Crystal Research and Technology 1985, 20(1), S. K11-K14. doi:10.1002/crat.2170200130
  5. ^ N. R. McQuaker, K. B. Harvey. Infrared and Raman Spectra of Single Crystals of Anhydrous Strontium Formate 50 (10): 1453–1460. 1972. doi:10.1139/v72-231. 
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甲酸锶
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