Chemistry:Erbium(III) selenide
From HandWiki
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3D model (JSmol)
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| Er2Se3 | |
| Molar mass | 571.431 g·mol−1 |
| Density | 6.83 g·cm−3[1] 6.855 g·cm−3[2] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Erbium(III) selenide is an inorganic compound with a chemical formula of Er2Se3.
Preparation
Erbium(III) selenide can be obtained by the reaction of erbium and selenium:
- 2 Er + 3 Se → Er
2Se
3
It can also be prepared by reacting erbium oxide and hydrogen selenide at high temperature.[3]
- Er
2O
3 + 3 H
2Se → Er
2Se
3 + 3 H
2O
Properties
Erbium(III) selenide is an orthorhombic crystal with a Sc2S3 structure and a space group of Fddd.[2] It reacts with magnesium selenide at 1000 °C to obtain MgEr2Se4.[4]
References
- ↑ Cite error: Invalid
<ref>tag; no text was provided for refs namedRange - ↑ 2.0 2.1 C.M. Fang, A. Meetsma, G.A. Wiegers (March 1995). "Crystal structure of erbium sesquiselenide, Er2Se3" (in en). Journal of Alloys and Compounds 218 (2): 224–227. doi:10.1016/0925-8388(94)01394-2. https://linkinghub.elsevier.com/retrieve/pii/0925838894013942. Retrieved 2023-06-13.
- ↑ Guittard, Micheline; Benacerraf, A.; Flahaut, J. Selenides L2Se3 and L2Se4 of rare earth elements. Ann. Chim. (Paris), 1964. 9 (1-2): 25-34. CAN61: 38017.
- ↑ D. Reig-i-Plessis, S. V. Geldern, A. A. Aczel, D. Kochkov, B. K. Clark, G. J. MacDougall (2019-04-26). "Deviation from the dipole-ice model in the spinel spin-ice candidate MgEr 2 Se 4" (in en). Physical Review B 99 (13): 134438. doi:10.1103/PhysRevB.99.134438. ISSN 2469-9950. Bibcode: 2019PhRvB..99m4438R. https://link.aps.org/doi/10.1103/PhysRevB.99.134438. Retrieved 2023-06-13.
External reading
- Anna Kornienko, J. H. Melman, G. Hall, T. J. Emge, John G. Brennan (2002-01-01). "Chalcogen Rich Lanthanide Clusters from Halide Starting Materials (II): Selenido Compounds" (in en). Inorganic Chemistry 41 (1): 121–126. doi:10.1021/ic010740o. ISSN 0020-1669. PMID 11782150. https://pubs.acs.org/doi/10.1021/ic010740o. Retrieved 2023-06-13.
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