二氢化锆
二氢化锆是一种无机化合物，化学式为ZrH
2，它是锆的氢化物之一，为灰色至黑色的固体。
| Zirconium(II) hydride[1] | |
|---|---|
| IUPAC名 Zirconium(II) hydride | |
| 别名 | 氢化锆(II) |
| 识别 | |
| CAS号 | 7704-99-6  |
| PubChem | 4137802 |
| ChemSpider | 24771611 |
| SMILES |
|
| InChI |
|
| InChIKey | QSGNKXDSTRDWKA-UHFFFAOYSA-N |
| RTECS | ZH8015000[2] |
| 性质 | |
| 化学式 | ZrH 2 |
| 93.240 g/mol g·mol⁻¹ | |
| 外观 | Grey tetragonal crystals or dark gray to black metallic powder[2][3] |
| 氣味 | Odorless[2] |
| 密度 | 5.60 g/cm3 |
| 熔点 | 800°C (decomposes) |
| 溶解性（水） | Insoluble[3] |
| 溶解性 | Soluble in HF |
| 结构 | |
| 晶体结构 | tetragonal |
| 分子构型 | dihedral (C2v) |
| 危险性 | |
GHS危险性符号  | |
| GHS提示词 | Danger |
| 主要危害 | Skin irritation, eye irritation, flammable[3] |
| NFPA 704 |
 3
1
1
|
| 若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。 | |
制备与反应
二氢化锆可由锆粉和氢气在600 °C反应[4]，或由二氧化锆、氯化镁和镁在620~750 °C氢气气氛中加热得到。[5]
它和二(五甲基环戊二烯基)钡、叔丁基硫醇反应，可以得到三硫代锆酸钡。[6]它和铝、石墨反应，可以得到Zr2AlC、ZrC和Zr3AlC2等化合物。[7]
参考文献
- Lide, David R., 87, Boca Raton, FL: CRC Press: 4–96, 1998, ISBN 0-8493-0594-2
- ZC1428 Zirconium Hydride (ZrH2) Powder (CAS No. 7704-99-6)
- Zirconium(II) hydride - SAFETY DATA SHEET
- Anmonova, M. M.; Samsonov, G. V. Preparation of hydrides of transition metals of Groups IV and V. Zhurnal Prikladnoi Khimii (Sankt-Peterburg, Russian Federation), 1965. 38 (11): 2393-2397. ISSN 0044-4618.
- Dong, Zhao-wang; Duan, Liang-hong; Liu, Han-ning; Guo, Xue-yi; Xia, Yang. Preparing ZrH2 powder by magnesiothermic reduction in hydrogen / 氢气辅助镁还原制备低氧氢化锆粉. Journal of Central South University, 2023. doi:10.1007/s11771-023-5288-6.
- Jonathan W. Turnley, Kiruba Catherine Vincent, Apurva A. Pradhan, Isabel Panicker, Ryan Swope, Madeleine C. Uible, Suzanne C. Bart, and Rakesh Agrawal. Solution Deposition for Chalcogenide Perovskites: A Low-Temperature Route to BaMS3 Materials (M = Ti, Zr, Hf). J Am Chem Soc, 2022. doi:10.1021/jacs.2c06985.
- Synthesis of the new MAX phase Zr2AlC. Journal of the European Ceramic Society. 2016. 36 (8): doi:10.1016/j.jeurceramsoc.2016.02.044.
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