溴化钬

化合物

溴化钬是一种无机化合物,化学式为HoBr3

溴化钬
识别
CAS号 13825-76-8(无水)  checkY
15162-88-6(六水)  checkY
SMILES
 
  • Br[Ho](Br)Br
性质
化学式 HoBr3
外观 浅黄色固体(无水)[1]
浅黄色固体(六水)[2]
熔点 914 °C(1,187 K)[1]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

制备及性质 编辑

溴化钬可由金属氧化钬或溴化钬的水合物和溴化铵加热反应得到。[3]HoPO4-PBr3-Br2体系的气相转移反应也能制得溴化钬。[4]其六水合物可从溶液中结晶得到。[2]

溴化钬、氧化钬和三氧化钼(或三氧化钨)在高温下反应,可以得到HoBrMoO4(HoBrWO4)。[5][6]

参考文献 编辑

  1. ^ 1.0 1.1 Jantsch, G.; Jawurek, H.; Skalla, N.; Gawalowski, H. Halides of the rare earths. VI. Halides of the terbium and erbium earth groups. Zeitschrift fuer Anorganische und Allgemeine Chemie, 1932. 207. 353-367. ISSN: 0044-2313.
  2. ^ 2.0 2.1 D. Brown, S. Fletcher, D. G. Holah. The preparation and crystallographic properties of certain lanthanide and actinide tribromides and tribromide hexahydrates. Journal of the Chemical Society A: Inorganic, Physical, Theoretical. 1968: 1889 [2020-05-29]. ISSN 0022-4944. doi:10.1039/j19680001889 (英语). 
  3. ^ Gerd Meyer, Siegfried Dötsch, Thomas Staffel. The ammonium-bromide route to anhydrous rare earth bromides MBr3. Journal of the Less Common Metals. 1987-01, 127: 155–160 [2020-05-29]. doi:10.1016/0022-5088(87)90372-9. (原始内容存档于2020-08-25) (英语). 
  4. ^ Orlovskii, V. P.; Belyaevskaya, T. V.; Bugakov, V. I.; Khalikov, B. S. Gas-transport reactions of rare earth element orthophosphates. Izvestiya Akademii Nauk SSSR, Neorganicheskie Materialy, 1977. 13 (8): 1484-1488. ISSN: 0002-337X.
  5. ^ Tanja Schustereit, Harald Henning, Thomas Schleid, Ingo Hartenbach. Syntheses and Crystal Structures of the Bromide-derivatized Lanthanoid(III) Ortho-Oxomolybdates(VI) LnBr[MoO4] (Ln = Pr, Nd, Sm, Gd– Lu). Zeitschrift für Naturforschung B. 2013-06-01, 68 (5-6): 616–624 [2020-05-29]. ISSN 1865-7117. doi:10.5560/znb.2013-3083. (原始内容存档于2020-08-11). 
  6. ^ Tanja Schustereit, Thomas Schleid, Ingo Hartenbach. Syntheses and crystal structures of the rare-earth metal(III) bromide ortho -oxidotungstates(VI) with the formula RE Br[WO 4 ] ( RE = Y, Gd–Yb). Solid State Sciences. 2015-10, 48: 218–224 [2020-05-29]. doi:10.1016/j.solidstatesciences.2015.08.013. (原始内容存档于2018-06-22) (英语).