二金化钡
外观
二金化钡 | |
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识别 | |
CAS号 | 12256-61-0 ![]() |
性质 | |
化学式 | Au2Ba |
摩尔质量 | 531.26 g·mol−1 |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
二金化钡是一种金属间化合物,化学式为BaAu2,它是六方晶系晶体,空间群为P6/mmm,具有AlB2结构。[1]它可以在磷化钡或砷化钡和金的歧化反应中生成:[2]
- Ba3X2 + 4 Au → 2 BaAuX + BaAu2 (X=P或As)
它可以用于制备三元金化物Ba3Mg4Au4。[3]
参考文献
[编辑]- ^ Bruzzone, Giacomo. Intermetallic compounds [of calcium, strontium, and barium] MX2 M=calcium, strontium, barium X=copper, gold, cadmium, mercury, indium, and germanium. Atti della Accademia Nazionale dei Lincei, Classe di Scienze Fisiche, Matematiche e Naturali, Rendiconti(意大利文) (1970), 48 (2), 235-241. ISSN 0001-4435.
- ^ Jürgen Nuss, Martin Jansen. BaAuP and BaAuAs, Synthesis via Disproportionation of Gold upon Interaction with Pnictides as Bases. Z. Anorg. Allg. Chem. 2009. 635. 1514-1516. doi:10.1002/zaac.200900070.
- ^ Maximilian Kai Reimann, Jutta Kösters and Rainer Pöttgen. Ba3Mg4Au4 – a ternary auride composed of BaAu2- and BaMg2Au-related slabs. Zeitschrift für Naturforschung B, 2024. 79 (4). doi:10.1515/znb-2023-0033.
延伸阅读
[编辑]- Mao-Sheng Miao; et al. Trends in the Electronic Structure of Extended Gold Compounds: Implications for Use of Gold in Heterogeneous Catalysis. Inorg. Chem. 2012, 51, 14, 7569–7578. doi:10.1021/ic3002674.