Chemistry:Europium hydride

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Europium hydride
EuH2 in PbCl2.jpg
Names
Other names
Europium(II) hydride
Europium dihydride
Identifiers
3D model (JSmol)
Properties
EuH2
Molar mass 153.98
Appearance dark reddish powder[2]
Related compounds
Other anions
 Europium(II) oxide
Europium(II) hydroxide
Europium(II) chloride
Other cations
 samarium hydride
gadolinium hydride
Related compounds
 Europium(III) hydride[3]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Europium hydride is the most common hydride of europium with a chemical formula EuH2. In this compound, europium atom is in the +2 oxidation state and the hydrogen atoms are -1.[4] It is a ferromagnetic semiconductor.[5]

Production

Europium hydride can be produced by directly reacting europium and hydrogen gas:[4]

Eu + H2 → EuH2

Uses

EuH2 can be used as a source of Eu2+ to create metal-organic frameworks that have the Eu2+ ion.[2]

References

  1. ↑ SciFinder
  2. ↑ 2.0 2.1 Rybak, Jens-Christoph; Hailmann, Michael; Matthes, Philipp R.; Zurawski, Alexander; Nitsch, Jörn; Steffen, Andreas; Heck, Joachim G.; Feldmann, Claus et al. (29 April 2013). "Metal–Organic Framework Luminescence in the Yellow Gap by Codoping of the Homoleptic Imidazolate ∞3[Ba(Im)2] with Divalent Europium". Journal of the American Chemical Society 135 (18): 6896–6902. doi:10.1021/ja3121718. PMID 23581546. 
  3. ↑ Matsuoka, T.; Fujihisa, H.; Hirao, N.; Ohishi, Y.; Mitsui, T.; Masuda, R.; Seto, M.; Yoda, Y. et al. (5 July 2011). "Structural and valence changes of europium hydride induced by application of high-pressure H2". Physical Review Letters 107 (2): 025501. doi:10.1103/PhysRevLett.107.025501. PMID 21797616. Bibcode: 2011PhRvL.107b5501M. http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.107.025501#fulltext. Retrieved 19 November 2016. 
  4. ↑ 4.0 4.1 洪广言 (2014). "3.2.4 稀土氢化物" (in zh). 稀土化学导论. 现代化学基础丛书. 36. 北京: 科学出版社. pp. 57–59. ISBN 978-7-03-040581-4. 
  5. ↑ Bischof, R.; Kaldis, E.; Wachter, P. (February 1983). "EuH2: A new ferromagnetic semiconductor". Journal of Magnetism and Magnetic Materials 31-34: 255–256. doi:10.1016/0304-8853(83)90239-1. Bibcode: 1983JMMM...31..255B. 



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