钋化钙
| 钋化钙 | |
|---|---|
| |
| IUPAC名 Calcium polonide | |
| 识别 | |
| CAS号 | 51681-45-9 
|
| 性质 | |
| 化学式 | CaPo |
| 摩尔质量 | 249.08 g·mol−1 |
| 外观 | 灰色固体 |
| 结构 | |
| 晶体结构 | NaCl |
| 空间群 | Fm3m (No. 225) |
| 晶格常数 | a = 0.6514 nm |
| 若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。 | |
钋化钙是一种无机化合物，化学式为CaPo，可由钙和钋在550 °C反应得到。在常压下，它以立方岩盐型结构结晶；[1]高压（16.7 GPa）时发生相变，转化为氯化铯型结构。[2]理论计算表明它是一种半导体。[3]
参考文献
[编辑]- ^ Witteman, W. G.; Giorgi, A. L.; Vier, D. T. The Preparation and Identification of Some Intermetallic Compounds of Polonium. The Journal of Physical Chemistry (American Chemical Society (ACS)). 1960, 64 (4): 434–440. ISSN 0022-3654. doi:10.1021/j100833a014.
- ^ Shi, Liwei; Wu, Ling; Duan, Yifeng; Hao, Lanzhong; Hu, Jing; Yang, Xianqing; Tang, Gang. Band structure, phase transition, phonon and elastic instabilities in calcium polonide under pressure: A first-principles study. Solid State Communications (Elsevier BV). 2012, 152 (22): 2058–2062. ISSN 0038-1098. doi:10.1016/j.ssc.2012.08.028.
- ^ Bhardwaj, Purvee; Singh, Sadhna. Phase transition and bulk properties of some polonide compounds: a comparative study. Phase Transitions (Informa UK Limited). 2015-06-09, 88 (9): 859–876. ISSN 0141-1594. doi:10.1080/01411594.2015.1020312.
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