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溴化镨

溴化镨
IUPAC名
Tribromopraseodymium
系统名
Praseodymium(III) bromide
识别
CAS号 13536-53-3  checkY
PubChem 83561
ChemSpider 75391
SMILES
 
  • Br[Pr](Br)Br
InChI
 
  • InChI=1S/3BrH.Pr/h3*1H;/q;;;+3/p-3
InChIKey PLKCYEBERAEWDR-UHFFFAOYSA-K
EINECS 236-893-0
性质
化学式 PrBr3
摩尔质量 380.62 g·mol⁻¹
外观 绿色晶体
密度 5.28 g/cm3
熔点 691 °C(964 K)[1]
沸点 1547 °C(1820 K)
结构
晶体结构 Tricapped trigonal prismatic
配位几何 9
危险性
GHS危险性符号
《全球化学品统一分类和标签制度》(简称“GHS”)中有害物质的标签图案
GHS提示词 警告
H-术语 H315, H319
P-术语 P261, P280, P305+351+338
主要危害 Irritation
相关物质
其他阴离子 三氟化镨氯化镨碘化镨
其他阳离子 溴化铈溴化钕、三溴化镤
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

溴化镨是一种无机化合物,化学式为PrBr3[1][2]

制备

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溴化镨可由氧化镨在碳的存在下和四溴化碳反应得到。[3]

性质

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外观

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溴化镨在室温下是绿色固体。[1][4]

物理性质

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溴化镨的分子量为380.62 g/mol,[1][2][5][6]密度为5.28 g/cm3[7][6]溴化镨具有潮解性。[5]

化学性质

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溴化镨、氧化镨三氧化钼在高温反应,可以得到PrBrMoO4[8]

它和氯化镨制容器中高温加热,可以得到Pr6C2Cl5Br5晶体。[9]

参考文献

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  1. ^ 1.0 1.1 1.2 1.3 Elements, American. Praseodymium Bromide. American Elements. [20 December 2016]. (原始内容存档于2020-08-25). 
  2. ^ 2.0 2.1 Praseodymium bromide Br3Pr - PubChem. pubchem.ncbi.nlm.nih.gov. [20 December 2016]. (原始内容存档于2020-08-25). 
  3. ^ Borisov, G. K.; Krasnova, S. G.; Khrenova, R. I. Preparation of anhydrous bromides of some lanthanides. Zhurnal Neorganicheskoi Khimii, 1971. 16 (11): 2899-2901.
  4. ^ Winter, Mark. Praseodymium»praseodymium tribromide [WebElements Periodic Table]. www.webelements.com. [20 December 2016]. (原始内容存档于2020-08-11). 
  5. ^ 5.0 5.1 Chambers, Michael. ChemIDplus - 0013536533 - PLKCYEBERAEWDR-UHFFFAOYSA-K - Praseodymium bromide (PrBr3) - Similar structures search, synonyms, formulas, resource links, and other chemical information.. chem.nlm.nih.gov. [20 December 2016]. (原始内容存档于2020-08-11). 
  6. ^ 6.0 6.1 Phillips, edited by Dale L. Perry, Sidney L. Handbook of inorganic compounds. Boca Raton: CRC Press. 1995: 323. ISBN 9780849386718. 
  7. ^ Information on praseodymium bromide: Etacude.com. chemicals.etacude.com. [20 December 2016]. (原始内容存档于2013-09-04). 
  8. ^ 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). 
  9. ^ Manuel C. Schaloske, Hansjürgen Mattausch, Lorenz Kienle, Arndt Simon. Pr6C2-Doppeltetraeder in Pr6C2Cl10 und Pr6C2Cl5Br5. Zeitschrift für anorganische und allgemeine Chemie. 2008-08, 634 (9): 1493–1500 [2020-05-29]. doi:10.1002/zaac.200800026 (德语). 
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溴化镨
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