Einsteinium triiodide is an iodide of the synthetic actinide einsteinium which has the molecular formula EsI3. This crystalline salt is an amber-coloured solid.[1] It glows red in the dark due to einsteinium's intense radioactivity.
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| Names | |
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| IUPAC names
Einsteinium triiodide
Einsteinium(III) iodide | |
| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
CompTox Dashboard (EPA)
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| Properties | |
| EsI3 | |
| Molar mass | 632.796 g/mol |
| Appearance | amber-coloured solid, glows red in the dark[1] |
| Structure | |
| Hexagonal | |
| R3 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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It crystallises in the hexagonal crystal system in the space group R3 with the lattice parameters a = 753 pm and c = 2084.5 pm with six formula units per unit cell. Its crystal structure is isotypic with that of bismuth(III) iodide.[2][3]
References
edit- ^ a b Arnold F. Holleman, Nils Wiberg: Lehrbuch der Anorganischen Chemie, 102nd Edition, de Gruyter, Berlin 2007, ISBN 978-3-11-017770-1, p. 1969.
- ^ R. G. Haire, ORNL Report 5485, 1978.
- ^ J. R. Peterson: "Chemical Properties of Einsteinium: Part II", in: G. T. Seaborg (ed.): Proceedings of the 'Symposium Commemorating the 25th Anniversary of Elements 99 and 100', 23. January 1978; Report LBL-7701, April 1979, pp. 55–64.
Further reading
edit- Haire, Richard G. (2006). "Einsteinium". In Morss, Lester R.; Edelstein, Norman M.; Fuger, Jean (eds.). The Chemistry of the Actinide and Transactinide Elements (PDF). Vol. 3 (3rd ed.). Dordrecht, the Netherlands: Springer. pp. 1577–1620. doi:10.1007/1-4020-3598-5_12. Archived from the original (PDF) on 2010-07-17.
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