亚碲酸钡

亚碲酸钡
识别
CAS号 58440-17-8
PubChem 21124606
SMILES
 
  • [Ba+2].[O-][Te](=O)[O-]
性质
化学式 BaO3Te
摩尔质量 312.93 g·mol−1
外观 无色固体[1]
密度 5.57 g·cm−3[2]
相关物质
其他阴离子 亚硫酸钡
亚硒酸钡
其他阳离子 亚碲酸钙
亚碲酸锶
亚碲酸镉
相关化学品 碲化钡
碲酸钡
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

亚碲酸钡是钡的亚碲酸盐，化学式 BaTeO3。其它亚碲酸钡（例如 Ba4TeO11）也是已知的。[來源請求]

制备

亚碲酸钡可以由碳酸钡和二氧化碲在940—950°C反应而成。[2]

它也可以由氯化钡和亚碲酸钠反应而成，会形成三水合物或一水合物。[來源請求]

性质

亚碲酸钡有两种结构。一种是单斜晶系，另一种是正交晶系。它们都有三角锥形的TeO3结构。其中，单斜晶系的亚碲酸钡的结构和高氯酸钾相关。[2]亚碲酸钡的一水合物是单斜晶系的。[來源請求]

参考资料

  1. ^ Folger, F. Die Kristallstruktur von BaTeO3. Zeitschrift für anorganische und allgemeine Chemie. 1975, 411 (2): 111–117. ISSN 0044-2313. doi:10.1002/zaac.19754110204. 
  2. ^ 2.0 2.1 2.2 Koçak, M.; Platte, Chr.; Trömel, M. Über Verschiedene Formen von BaTeO3. Zeitschrift für anorganische und allgemeine Chemie. 1979, 453 (1): 93–97. ISSN 0044-2313. doi:10.1002/zaac.19794530611. 

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