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六氟合钛酸

六氟合钛酸
IUPAC名
hydron; titanium(+4) cation; hexafluoride
识别
CAS号 17439-11-1
PubChem 161221
SMILES
 
  • [H+].[H+].[F-].[F-].[F-].[F-].[F-].[F-].[Ti+4]
InChI
 
  • 1/6FH.Ti/h6*1H;/q;;;;;;+4/p-4/f6F.Ti.2H/h6*1h;;;/q6*-1;m;2*+1
性质
化学式 H8F6O3Ti
摩尔质量 217.92 g·mol−1
外观 无色固体
密度 2.10 g/cm3
相关物质
其他阴离子 氟硅酸
六氟合钛酸铵
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

六氟合钛酸(又称氟钛酸)是一种无机化合物,化学式为(H3O)(H5O2)[TiF6]。根据X射线晶体学,该盐由[TiF6]2-八面体和两种水合氢离子((H3O)+和(H5O2)+)组成。[1]

它与大多数水合氢离子盐一样,仅在酸性溶液中稳定。在碱性条件下,有关的盐会水解成水合二氧化钛:[2]

(NH
4
)
2
TiF
6
+ 4 NH
3
+ 2 H
2
O → TiO
2
+ 6 NH
4
F

与这个酸有关的盐包括质子化氟化氢的六氟合钛(IV)酸盐,(H2F)2[TiF6]。

参考文献

[编辑]
  1. ^ Mootz, D.; Oellers, E.-J.; Wiebcke, M. Hexafluorotitan(IV)-Saure: Untersuchungen zur Bildung und Struktur kristalliner Hydrate. Zeitschrift fü Anorganische und Allgemeine Chemie. 1988, 564: 17–25. doi:10.1002/zaac.19885640103. 
  2. ^ Bichowsky, Foord Von. Extraction of Titanium(IV) Oxide from Ilmenite. Inorganic Syntheses. 1957, V: 79–82. ISBN 9780470132364. doi:10.1002/9780470132364.ch22. 
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六氟合钛酸
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