钋化钙

钋化钙
	IUPAC名めい; Calcium polonide
识别
CAS号ごう	51681-45-9
性せい质
化学かがく式しき	CaPo
摩ま尔质量りょう	249.08 g·mol−1
外そと观	灰色はいいろ固体こたい
结构
晶あきら体からだ结构	NaCl
空そら间群	Fm3m (No. 225)
晶あきら格かく常数じょうすう	a = 0.6514 nm
	若わか非ひ注ちゅう明あかり，所有しょゆう数すう据すえ均ひとし出自しゅつじ标准状じょう态（25 ℃，100 kPa）下した。

钋化钙是ぜ一いち种无机化合かごう物ぶつ，化学かがく式しき为CaPo，可か由ゆかり钙和わ钋在ざい550 °C反はん应得到いた。在ざい常つね压下，它以立方りっぽう岩いわ盐型かた结构结晶；^[1]高こう压（16.7 GPa）时发生せい相しょう变，转化为氯化铯型かた结构。^[2]理り论计算さん表明ひょうめい它是一いち种半はん导体。^[3]

参考さんこう文献ぶんけん

^ 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.

[Witteman1960-1] 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.

[2] 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.

[3] 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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